2013 Mazda Mazda3 Mazda Mazda3 2013

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2013 Mazda Mazda3 repairs by problem area

Engine (18%)

Transmission and Drivetrain (7%)

Brakes and Traction Control (7%)

Suspension and Steering (10%)

Electrical and Air Conditioning (26%)

Paint, Rust, Leaks, Rattles, and Trim (15%)

Other (16%)

Chart based on 68 repairs.
See TSBs and recalls for the 2013 Mazda Mazda3.

2013 Mazda Mazda3 repair cost distribution

$2500+ (0%)

$1000 - $2499 (2%)

$500 - $999 (4%)

$100 - $499 (23%)

< $100 (72%)

Worried about potential repair costs? An extended warranty can provide peace of mind.

Chart based on 53 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.

2013 Mazda MazdaSpeed3 4dr Hatch

turbocharged 263hp 2.3L I4 6-speed manual FWD

Mazda MazdaSpeed3 in New York, United States
Aug 2013 - Jun 2020
Nov 2014

12000 mi
Wind noise noted in drive side window 
Sep 2015

22000 mi
Replace driver door weather seal that was noisy and not right since delivery 
Dec 2018

57000 mi

US $250
removed cleaned and reinstalled EGR Valve. the car was having a longer than normal time to cold start consistently. this a relatively known service. i also had the battery and spark plugs done while in the shop due to mileage/time in service, although not necessary 
Mazda MazdaSpeed3 in Ontario, Canada
May 2013 - Sep 2016
Jun 2015

22320 mi
Rear driver side shock failed, replaced under warranty. No issues. 
Mazda MazdaSpeed3 in Arizona, United States
Jun 2013 - Jun 2017
May 2014

24400 mi
Replaced a front drive axle 
Sep 2015

65000 mi
Transmission mount replacement under warranty. 
Mazda MazdaSpeed3 in California, United States
Jan 2014 - Jun 2018
Oct 2017

26000 mi

US $150
Recall of hatch support. Car aligned again, difficult to keep front wheels in alignment. 
Mazda MazdaSpeed3 in Georgia, United States
Jun 2014 - Jul 2019
Feb 2016

38300 mi

US $30
connector to mass air flow sensor shorted out, causing a check engine light warning. Failed emissions test. Replaced connector. 
Sep 2016

45000 mi

US $25
MAF sensor. Car bogging during acceleration. Check engine light. 
Nov 2016

48100 mi

US $25
MAF rewire 
Mazda MazdaSpeed3 in Texas, United States
Sep 2014 - Jun 2018
May 2018

82000 mi

US $700
Car was idling roughly and had occasional problems cranking up. Like it would take longer to crank before the engine fires up. It almost sounds like the enginr was choking before starting up. Car would idle roughly but only after the engine has warmed up. Dealership did not diagnose the car, but suggested throttle body and intake valve cleaning, valve cover and spark plug replacement. The idea was these services would fix the problem. After having all of those done, the issue with idling roughly has gradually gone away. It doesn't seem to an issue anymore, today is like 1 month since the car was worked on. The car still has the occasional issue of trouble starting up. Same symptoms, it takes longer to crank before the engine fires up. Only seems to happen when the engine is warm, has not ever happened yet on a cold start. I am working around this issue by stabbinh the gas pedal as soon as i notice the car taking longer to fire up. 
Mazda MazdaSpeed3 in Texas, United States
Jun 2013 - Sep 2015
May 2014

9000 mi

US $2
Rear hatch spoiler had developed a rattle. Found the factory anti-rattle tape that insulates the wing from the rear hatch had dried up. Loosened wing and slid some new friction tape between wing and body and stopped the rattle. 
Sep 2014

10000 mi
Hatch had rear intermittent rattle. Adjusted closing / latching loop to close hatch more tightly. Stopped rattle - known issue. Took 10 minutes. 

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2013 Mazda Mazda3 4dr Sedan

155-horsepower 2.0L I4 6-speed shiftable automatic FWD

Mazda Mazda3 in Texas, United States
Dec 2014 - Jun 2018
Jun 2015

42000 mi
Car leaked over a quart of oil. Mechanic discovered the oil filter they'd installed 2 weeks earlier had split seam and was leaking. Replaced oil filter and topped off oil level. BTW they used 5W30 oil (both 2 wks earlier & now). 
Sep 2015

46000 mi
Once the pump fit about 2 gal more than I expected into the car. Then the gauge read full for 2-3 times as many miles as normal. Next time, the pump automatically shut off for a full tank after only a couple gallons. Next time back to normal. 
Mar 2016

53000 mi
One of the plastic shields on the bottom of the car near the front right wheel was very loose. My usual shop stuck it back on for free and said that the fellow who did my last oil change must not have re-attached it properly. 
Apr 2016

53700 mi

US $5
The oil drain plug was leaking slightly and got replaced. 
Sep 2016

60000 mi
One of the shield plates on the bottom of the car got loose again and was dangling. It was a quick fix to re-attach it properly. (This is the second time the oil was changed and then this plate got loose several weeks later.) 
Apr 2017

68048 mi

US $40
The car was slightly trembling. The mechanic found it had thrown a weight and needed rebalanced and one of the rims was just a bit bent (so it still vibrates). 
Jun 2017

71700 mi

US $60
The car has a mild, but noticeable, vibration about 55 mph. This was the 3rd time I asked the mechanic to check into it, and he checked the balance, and it didn't solve the problem. (Engine? Tires? What?) 
Jun 2018

92500 mi
One of the shields on the bottom of the car was dangling. A Jiffy Lube attached it better for free. I'm not sure if it came loose by itself or if, when the car was last checked, it wasn't reattached tightly enough. 
Mazda Mazda3 in Connecticut, United States
Jan 2014 - Sep 2018
Aug 2014

8000 mi
headlights flickered when applying brakes. 
Dec 2015

26000 mi
oil change, tire rotation, window rattle 
Sep 2016

30000 mi

US $98
rattle in drivers side window 
Mazda Mazda3 in New Jersey, United States
Feb 2017 - Jun 2018
Apr 2017

25000 mi
TSB for dimming headlights when applying brakes. Issue resolved with TSB computer update TPMS light triggering despite correct pressures 
Mazda Mazda3 in Alabama, United States
Dec 2013 - Jun 2016
Jun 2015

18000 mi
Engine idle skip once and a while. Removed battery and 6 hours later connected battery. Cleared up the issue. 
Mazda Mazda3 in Quebec, Canada
Sep 2014 - Jul 2018
Jul 2018

55800 mi

C $94
Oil pressure sensor 
Mazda Mazda3 in West Virginia, United States
Aug 2013 - Jun 2014
Apr 2014

9000 mi
Fuel pump failure 
Mazda Mazda3 in Louisiana, United States
Jul 2013 - Sep 2017
May 2014

7100 mi
trash in blower system 
Mazda Mazda3 in Minnesota, United States
Apr 2018 - Jan 2020
Jun 2018

85000 mi

US $2400
Car had a whine noise that increased with road speed (not engine rpm) which our mechanic traced back to the transmission. Transmission shop quoted a full rebuild at a little over $2300. There is a known issue from Mazda for this, and most people received replacement transmissions while still under powertrain warranty. 

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2013 Mazda Mazda3 4dr Sedan

155-horsepower 2.0L I4 6-speed manual FWD

Mazda Mazda3 in New Brunswick, Canada
Dec 2017 - Jan 2019
Jan 2018

48670 mi

C $146
Headlights flashed during decceleration. Found out there was a Technical Service Bulletin for this issue which is common for these cars. The dealer reflashed the Power Control Module and it took around 1 hour to complete. 
Jan 2019

57660 mi
The trunk latch assembly suddenly failed while loading groceries into the car. The fluctuating cold temperatures may have been a factor. I cleaned the latch as much as possible with WD-40, white litium grease and a high pressure cleaner then confirmed the latch could still work with a key and screwdriver. The emergency release, inside lever and keyfob button all work but it took one night and trying to lock and unlock the car several times before it resolved itself. 
Mazda Mazda3 in New York, United States
Jul 2013 - Apr 2017
Dec 2015

36000 mi
Dealer had to apply computer update to fix flickering headlights when decelerating at highway speeds. This was a quick update that worked as intended. This was a service bulletin not a recall. 

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2013 Mazda Mazda3 4dr Sedan

148-horsepower 2.0L I4 5-speed shiftable automatic FWD

Mazda Mazda3 in California, United States
Aug 2016 - Jun 2018
Aug 2017

62000 mi

US $50
Replaced trunk latch 
Mazda Mazda3 in Chile
Feb 2013 - Mar 2014
Mar 2014

9300 mi
Stability control light turned on while I was parking the car (shifter in R mode). Don't know what happened. After a engine restart the light went off. Known issue: http://www.arfc.org/complaints/2012/mazda/mazda3/electronic_stability_control/problem.aspx 
Mazda Mazda3 in Washington, United States
Aug 2016 - Aug 2016
Aug 2016 the 5-speed automatic transmission occasionally shifted in a hard, abrupt manner. Made a noticeable noise each time it shifted hard. 

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2013 Mazda Mazda3 4dr Hatch

155-horsepower 2.0L I4 6-speed shiftable automatic FWD

Mazda Mazda3 in California, United States
May 2013 - Jul 2018
Apr 2015

14500 mi
Car was having difficulty with shifting. Faulty part was effecting timing 
Jul 2018

41000 mi
Issue with hatch mechanism [recall] 
Mazda Mazda3 in Ontario, Canada
Apr 2013 - Jan 2017
May 2015

19220 mi
Wheel bearing was noisy so it was replaced. 
Mazda Mazda3 in Ontario, Canada
Dec 2013 - Jun 2016
Mar 2016

31620 mi
Power steering failure due to broken wire in engine harness to power steering module. Covered under warranty 
May 2016

33580 mi
Left front wheel bearing replaced due to humming noise at 50kph and above. 
Mazda Mazda3 in Washington, United States
Sep 2015 - Oct 2016
Nov 2015

13900 mi
Headlights dimming when braking. TSB available for issue. Update to ECU improved condition, but didn't eliminate the dimming. 
Mazda Mazda3 in New York, United States
Aug 2013 - Mar 2018
Feb 2018

26000 mi
Getting rattle from top of dashboard. Not fixed. Living with it for now. 
Mazda Mazda3 in New South Wales, Australia
Apr 2018 - May 2018
May 2018

41540 mi

A $300
Rear Shock absorbers needed replacement- was resulting in abnormal tyre wear and cupping, leading to unbearable tyre noise from the rear of the car 
Mazda Mazda3 in Illinois, United States
Dec 2016 - Dec 2017
Dec 2017

55000 mi

US $190
Battery degradation under cold ambient conditions. Vehicle won't start so battery was replaced. 
Mazda Mazda3 in Pennsylvania, United States
May 2017 - Jun 2018
Jan 2018

48000 mi

US $5
Hose from the washer fluid bottle to spray nozzles was broken. Patched hose with replacement hose. 
Mazda Mazda3 in California, United States
Jul 2014 - Jul 2018
Dec 2014

15000 mi

US $145
Tom Tom navigation simply quit working, screen frozen. Mazda of Concord/Walnut Creek performed diagnosis, updated system (not w/ new map) and rebooted. They also provided a vehicle check, type pressure and fluids adjustment--without cost. 
Oct 2016

29300 mi
Strange & erratic behavior: At night when driving on low beams I would occasionally experience a dipping, dimming and PULSING of headlight beams when applying the brakes. Mazda rep. reported this was a known issue...(?!) 
Nov 2016

29600 mi

US $120
To fix the pulsing headlights when braking, Mazda dealer performed some unexplained procedure ($120) which the service mgr said is effective "In 90 percent of similar cases".... And it seems, so far, to have done the trick. 
Mar 2018

41000 mi

US $320
Rear brake pads were down to 1-2 mm. Both rear rotors and pads were replaced. This was done in my driveway in a little over an hour by YourMechanic. 
Jul 2018

42000 mi
YourMechanic repaired my car in the driveway in a little over an hour. He replaced the Left Front Axle shaft, CV Joint and torn boot. 
Mazda Mazda3 in Wisconsin, United States
Feb 2015 - Jun 2018
Nov 2016

37000 mi
Reset computer because headlights would get very bright when braking. 
Jan 2017

37000 mi

US $100
Replaced battery following oil change 

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2013 Mazda Mazda3 4dr Hatch

155-horsepower 2.0L I4 6-speed manual FWD

Mazda Mazda3 in Georgia, United States
Oct 2012 - Jun 2018
Oct 2015

50800 mi

US $68
Rear Spoiler became loose and began rattling. The dealer indicated that this was a common issue. 
Jul 2016

64500 mi
TomTom nav system froze. Restarting the car did not resolve issue. Removed and analyzed SD card on computer. Found bogus lock file. System worked normally after removing lock file and reinstalling SD card. 
Sep 2017

74000 mi

US $500
The blower motor began making a grinding noise a few months ago which became louder and higher-pitched over time. The blower motor would have failed altogether sometime in the next 2-4 months and I elected to have it replaced prior to complete failure. The motor ended up being replaced twice as the initial replacement part was defective. The second replacement was done free of charge and was successful. 
Mazda Mazda3 in Indiana, United States
Jan 2013 - Sep 2013
Mar 2013

2000 mi
Power Steering locked up while pulling into a parking space & steering wheel light turned on. Had to turn car off & back on for steering to work. Dealer said it might be due to low battery voltage as the car sat on their lot for a while. 
Mazda Mazda3 in California, United States
Oct 2013 - Oct 2015
May 2015

25500 mi
Stuck brake caliper piston pin rear right. Repaired under warranty with no cost to owner. 
Mazda Mazda3 in Massachusetts, United States
May 2014 - Jun 2017
Oct 2015

36300 mi
Had a cyclic grinding/thumping noise. Dealer recommended brakes and rotors (at 34,000 miles!?). Took the car home and discovered bent dust shield rubbing on front brake rotor. Going to a different dealer if I ever go back to Mazda. 
Mazda Mazda3 in Washington, United States
Jan 2013 - Sep 2017
Oct 2014

10000 mi
Squeak in LH front shoulder belt system. New retractor/tensioner assembly installed. 
Jul 2016

23200 mi
Door lock actuator is squeaky and needs replacement. 
Mazda Mazda3 in New Jersey, United States
Nov 2014 - Jun 2018
Jun 2017

82000 mi

US $100
Recall on truck lid gas shocks Radio stopped sending signal to speakers Water in spare tire well after heavy rains 

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2013 Mazda Mazda3 4dr Hatch

148-horsepower 2.0L I4 5-speed manual FWD

Mazda Mazda3 in Nova Scotia, Canada
Jan 2015 - Jan 2018
Sep 2016

29760 mi

C $420
Rear rotors, and pads replaced 
Jan 2018

43400 mi

C $140
Replace battery 

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2012 Mazda MazdaSpeed3 4dr Hatch

turbocharged 263hp 2.3L I4 6-speed manual FWD

Mazda MazdaSpeed3 in Ontario, Canada
Nov 2012 - Jun 2018
Jun 2017

58900 mi

C $1700
Hole in washer fluid reservoir, reservoir replaced. lower control arm replaced rear brakes pads and rotors replaced Rear shocks replaced 
Sep 2017

61380 mi

C $670
Wheel hub and wheel bearing 
May 2018

69440 mi

C $75
Pad shifting making clanging noise also rust on hub 
Mazda MazdaSpeed3 in Florida, United States
Aug 2012 - May 2015
Dec 2013

20000 mi

US $1300
HPFP was no longer delivering required fuel. Had to purchase and install upgraded pump. 
Mazda MazdaSpeed3 in Texas, United States
Apr 2014 - Jul 2018
Jan 2018

75000 mi
Hatch door release is not working. Repair pending. 
Mazda MazdaSpeed3 in Virginia, United States
Jun 2014 - Jul 2016
Oct 2014

23300 mi
Serpentine belt missing chunk. 
Mazda MazdaSpeed3 in Louisiana, United States
Dec 2014 - Mar 2018
Feb 2016

57900 mi

US $600
Replaced clutch,and flywaheel 
Jun 2017

85000 mi

US $5000
Cracked piston loss compression. Rebuild engine. The car is 450 whp, probably not fair to count this particular car in with stock mazdaspeed3's in my opinion. 
Mazda MazdaSpeed3 in California, United States
Sep 2011 - Jun 2018
Oct 2013

4200 mi
Satellite radio reception intermittent. Dealer says this is a common complaint and there is no fix. 
Jun 2014

5000 mi
Car had intermittent noise/vibration in right turns. Factory Rep advised dealer to replace left knuckle and bearing. 
Nov 2014

7000 mi

US $185
battery failure 
Mazda MazdaSpeed3 in Oklahoma, United States
Mar 2013 - Jun 2015
Feb 2014

28400 mi
Driving at dusk with the headlights on. Suddenly, the headlights turned off, along with all of the dash and interior lights, including dash lights that are on when headlights are off. Daylight sensor reprogrammed. Hasn't recurred, but doubt really fixed. 
Mazda MazdaSpeed3 in Florida, United States
Mar 2012 - Jun 2018
Jul 2014

22500 mi
Center console latch. It working 
Jul 2017

56000 mi
Recall replacement of the rear hatch supports 
Mazda MazdaSpeed3 in Florida, United States
Jun 2012 - Jun 2018
Nov 2013

18000 mi
Head unit would intermittently not play stations. I could press a station and have it play fine, change to another station, come back to the first station and it would be silent. Head unit had to be replaced. 
Mar 2017

63000 mi

US $375
Complete failure of the horn. 
Mazda MazdaSpeed3 in Indiana, United States
Jan 2015 - Jun 2018
May 2015

18000 mi

US $250
Wheel stud sheared while torquing wheel lug. Was not due to crossthreading. 
Mazda MazdaSpeed3 in Florida, United States
Aug 2011 - May 2016
Sep 2014

48000 mi

US $450
Wheel hub began making rubbing noise at 45,000, gradually got worse. 
Mazda MazdaSpeed3 in Oregon, United States
May 2012 - Jun 2018
May 2018

49000 mi

US $65
Rear wing was loose. Rear lift gate struts replaced as part of a recall 

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2012 Mazda Mazda3

Engine not specified

Mazda MazdaSpeed3 in Illinois, United States
Oct 2014 - Dec 2014
Dec 2014

35000 mi
valve body replaced and now getting terrible gas mileage 

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2012 Mazda Mazda3 4dr Sedan

167-horsepower 2.5L I4 6-speed manual FWD

Mazda Mazda3 in Illinois, United States
Aug 2017 - Jun 2018
Sep 2017

68000 mi
Passenger door would not open from inside. Mechanism repaired. 
Mazda Mazda3 in Florida, United States
Nov 2014 - Dec 2014
Dec 2014

48000 mi

US $360
loss of acceleration and power steering, multiple dashboard lights while driving. 
Mazda Mazda3 in Texas, United States
Oct 2014 - Mar 2017
Mar 2015

26000 mi

US $1100
Before I bought the car with 17,xxx miles, I was aware that the 2.5 L with a 6-speed has a notoriously weak clutch, at 26K miles it was gone. No harsh driving 
Dec 2015

34000 mi

US $1
The factory clutch wore out early, as is a known problem with this model / engine combo. I put a stage 1 aftermarket clutch in. It failed in 9000 miles. I went back to an OEM factory clutch setup 

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2012 Mazda Mazda3 4dr Sedan

167-horsepower 2.5L I4 5-speed shiftable automatic FWD

Mazda Mazda3 in Massachusetts, United States
Mar 2012 - Jun 2018
Mar 2018

41000 mi

US $125
Replaced four sets of pads and four rotors 
Mazda Mazda3 in Mexico, Mexico
Nov 2011 - Mar 2018
Aug 2016

37080 mi

$1000
The dealer replaced the TCM module, because during normal driving of the car had warning signal "AT" in the control panel and occasionally stopped the car and the directions of the board were lost. It took one week to repair. 

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2012 Mazda Mazda3 4dr Sedan

155-horsepower 2.0L I4 6-speed shiftable automatic FWD

Mazda Mazda3 in North Carolina, United States
Oct 2013 - Jun 2018
Aug 2016

50300 mi
Software Update to Re-Program voltage regulator. Symptom: Headlights dimming/flashing when brakes applied. 
Mar 2018

86000 mi

US $286
Replaced driver door window seal. Seal had a crack in it causing Window Noise. Replaced door release cable. (Driver door). It was no longer possible to open driver door from the inside. 
Apr 2018

86500 mi

US $25
Intermittent headlight bulb, on passenger side. 
Mazda Mazda3 in Massachusetts, United States
Sep 2015 - Jan 2018
Mar 2017

93000 mi

US $800
Pads and rotors replaced, front and back. $800 
Mazda Mazda3 in New York, United States
Apr 2017 - Jun 2018
Oct 2017

26000 mi

US $300
Replaced power steering line 
Mazda Mazda3 in Minnesota, United States
Jul 2014 - Mar 2018
Mar 2017

114000 mi

US $300
Replaced front and rear shocks/struts due to some occasional clunking noises in suspension. 
Dec 2017

124000 mi

US $140
Battery would no longer hold a charge--replaced battery. 
Mazda Mazda3 in Pennsylvania, United States
Jul 2012 - Mar 2018
Dec 2015

30000 mi

US $220
Faulty tire pressure sensor replaced 
Mazda Mazda3 in Minnesota, United States
Jul 2015 - Jun 2020
May 2016

35000 mi
Software update TSB for alternator. Headlight beam would pulse briefly upon braking, resolved now. 
Oct 2016

39300 mi

US $150
Check engine light. Pulled code for small evap leak. Gas cap replaced by dealership, issue resolved. 
Aug 2018

52000 mi

US $155
Front brake pads and rotors 
Mar 2020

62000 mi

US $170
Lethargic starting, tested battery, bad cells. Replaced battery. 
Mazda Mazda3 in New York, United States
May 2015 - Jun 2018
Oct 2017

35000 mi

US $500
Brakes soft -fixed 
Mazda Mazda3 in Ohio, United States
Feb 2018 - Jun 2018
Mar 2018

57000 mi
Skyactiv-equipped cars had a known issue in which the headlights/dash lights would pulse when the brakes are applied. I took it in and the dealer reprogrammed the PCM, which is the fix for this issue. 
Mazda Mazda3 in Wisconsin, United States
May 2013 - Jun 2018
Dec 2017

141000 mi

US $200
Oil pressure switch started leaking oil. Fairly inexpensive repair, ~$200 including oil change. 
Mazda Mazda3 in Ohio, United States
Oct 2016 - Jun 2018
Jan 2016

32000 mi
The Headlights pulse and fan blower pulses with changes in engine rpm. I measured the voltage change and I have a 1.5 volt drop that takes over one second to recover. There was a service bulletin to address the pulsing headlights by installing new computer software. I had it performed and it reduced the headlight pulsing some. I took the car back later and the shop rushed me in and out and told me it was normal. I've just been living with it, but it doesn't instill a lot of confidence in the car and its electrical system. 
Mazda Mazda3 in Alaska, United States
Jun 2013 - Jul 2014
Jun 2014

33000 mi
The belts shredded near the dealership and I managed to get into the parking lot before the engine died completely. The belts shredded again three weeks later. The repairs took almost a week with no reason provided as to why the belts broke two separate times. 
Mazda Mazda3 in Michigan, United States
Jun 2013 - Jan 2017
Feb 2015

13300 mi
Computer required update. Known issue. Headlights would flash low/high when braking. 
Mazda Mazda3 in Arizona, United States
Jul 2017 - Mar 2018
Aug 2017

70000 mi

US $100
Replacing rear rotors and pads. General cleaning and service to caliper/hardware. 
Feb 2018

79000 mi
Warranty replacement of dash section due to heat warping around mid-console information screen. 
Mazda Mazda3 in Pennsylvania, United States
Jan 2012 - May 2015
Jun 2013

25000 mi
faulty door lock. 
Feb 2014

34000 mi
Electric lock makes a zzzzzit noise when locking. Waiting for part to come in. 
Mar 2014

35000 mi
Lock motor was replaced. 
Mazda Mazda3 in Ontario, Canada
Aug 2012 - Jun 2016
Aug 2013

14880 mi
traveling on highway felt a bang heard a whining noise drove to nearest Mazda dealer misdiagnosed as wheel misalignment.drove to home dealer diagnosed as transmission replacement that was 10 days ago still waiting for new transmission!!!!! 
Oct 2013

15780 mi
transmission total failure took 7 1/2 weeks for tranny to come from Japan!!!! Dealer and Mazda don't care totally dissatisfied with repair job and total experience with this company,will purchase a Nissan or Honda next. 
Jan 2014

20460 mi
Drivers door inner door handle would not work, replaced entire door lock assembly under warranty, part was in stock at dealer must be a defect!!!!!! Drivers door inner door handle would not work, replaced entire door lock assembly under warranty, part was in stock at dealer must be a defect!!!!!! 
Jan 2015

19520 mi
engine was started @ -25 C went to red line would not idle down,dealer had for 1.5 days said mat held throttle down Checked prior to tow away and mat was fine.It would seem dealer could not find the problem and had to blame it on something. 

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2012 Mazda Mazda3 4dr Sedan

155-horsepower 2.0L I4 6-speed manual FWD

Mazda Mazda3 in Saskatchewan, Canada
Oct 2012 - Mar 2015
Feb 2015

46040 mi
Ecm problem, car running in limp mode.Dealer said cannot fix the problem. Tried a different flash onto ecm 
Mazda Mazda3 in New Hampshire, United States
Aug 2012 - Jun 2015
Nov 2012

4100 mi
Check engine light. Reset, no further issues. 
Mazda Mazda3 in British Columbia, Canada
Jul 2012 - Sep 2019
Nov 2015

46500 mi

C $900
Driver seat back became detached from seat bottom. Passenger seat belt latch became stuck. 
Aug 2016

57660 mi

C $500
Front passenger side wheel bearing became excessively noisy, was replaced. 
Feb 2017

68200 mi

C $500
Excessive noise, vibration, and tire wear. Driver side wheel bearing went and was replaced. 
Jan 2018

76880 mi

C $500
Clutch master cylinder was leaking and replaced. 
Jul 2018

81220 mi

C $725
Accessory belts and power steering hoses replaced 
Mazda Mazda3 in Washington, United States
Nov 2016 - Sep 2019
Feb 2018

65000 mi

US $100
Battery needed to be replaced. 
Mazda Mazda3 in Ohio, United States
Jul 2012 - Jun 2019
Sep 2018

80000 mi

US $1300
The Mazda had a sticking brake caliper. Replaced it along with the pads and rotors, which were due. Also replaced spark plugs along with an oil change and tire rotation. 
Mazda Mazda3 in Ontario, Canada
May 2016 - Jun 2018
Aug 2016

54020 mi

C $80
Clogged air filter. Replaced with upgrade. K&N air filter. 
Feb 2017

78120 mi

C $1600
Burnt clutch and assembly. New clutch kit and gear oil. 
Sep 2017

99820 mi

C $450
Brake on passenger rear making noises. Wear assessed as cause. Replacement of rear Pads and rotors required and I performed. 
Oct 2017

106020 mi

C $900
Front left and right wheel bearings wear. Parts replaced along with realignment. 
Nov 2017

109120 mi

C $1500
Manual transmission gears, bearings, seals wear. Parts replaced. 

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2012 Mazda Mazda3 4dr Sedan

148-horsepower 2.0L I4 5-speed shiftable automatic FWD

Mazda Mazda3 in California, United States
May 2017 - Sep 2017
Aug 2017

61000 mi
Transmission started making loud whirring noises at all speeds. New transmission required. Covered under extended warranty. 
Mazda Mazda3 in New South Wales, Australia
Aug 2013 - Jun 2018
Aug 2013

6200 mi
Coolant leakage 
Mazda Mazda3 in Texas, United States
Jun 2017 - May 2019
Jul 2017

68200 mi

US $20
Added some refrigerant because it was low and not cooling. I used one of the cheap $20 kits from Wal-mart and did it myself, it took 5 minutes 
Sep 2017

73000 mi

US $82
Sunroof switch broke and would not close the sunroof. Upon removing the dome light assembly it broke apart in my hands (presumably because of heat damage) so the whole assembly had to be replaced. 
Nov 2017

75000 mi

US $150
Engine mounts replaced, I noticed a lack of traction so I looked online and determined this to be the cause. When I looked I could see the top one leaking fluid. This repair fixed my problem. 
Mar 2018

80000 mi

US $360
Shocks/struts. I used pre-assembled kits in the front to make it easier 
May 2018

83000 mi

US $300
Driver CV axle was leaking, replaced both driver and passenger side. Front + rear stabilizer bar end links replaced because the boots were torn. In addition, slight clunking noise was coming from rear. Car felt unstable at turn in. I used MOOG parts, the car feels fantastic now, and the noise is gone 
Apr 2019

97000 mi

US $300
Clunking in suspension along with some sketchy handling prompted me to pay someone to change the bushings (it looks way too hard to attempt). Handling is restored to normal and there is no more clunking. A creak remains while driving over big bumps, and there is a slight knock while driving on small ones. I have yet to determine if the noise is coming from the end links or the shock absorber assembly, which was a pre-manufactured unit that I don't love. The sound is clearly coming from the front right wheel well, which is why I do not suspect the bushings. 
Mazda Mazda3 in Nova Scotia, Canada
Mar 2012 - Jul 2013
May 2013

5060 mi
Traction control light intermittently stays on. Replaced ang sensor code U0428:62-68 invalid data received from SASM Brakes feel spongy at times. problem since new. Told they were normal. Still not convinced 

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2012 Mazda Mazda3 4dr Sedan

148-horsepower 2.0L I4 5-speed manual FWD

Mazda Mazda3 in California, United States
Jan 2016 - Jun 2018
Apr 2018

94951 mi
Special Service Program (SSP) A9 performed. Replaced dashboard that exhibited a gap. 
Mazda Mazda3 in Pennsylvania, United States
Mar 2012 - Mar 2014
Nov 2012

5500 mi
Power door locks ceased functioning from interior buttons. Body Control Module needed to be reprogrammed. Not successful, back in the shop. Power door locks finally fixed. Problem was a faulty body control module. Was replaced and problem fixed. 

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2012 Mazda Mazda3 4dr Hatch

167-horsepower 2.5L I4 6-speed manual FWD

Mazda Mazda3 in Alberta, Canada
May 2012 - Jun 2018
Apr 2014

16720 mi
Power steering rack was leaking and was replaced under warranty 

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2012 Mazda Mazda3 4dr Hatch

167-horsepower 2.5L I4 5-speed shiftable automatic FWD

Mazda Mazda3 in Rhode Island, United States
Feb 2017 - Jun 2017
Mar 2017

93000 mi

US $65
The blower resistor was burnt out. I replaced with a new genuine Mazda one I found on eBay for $65. It took less than 15 minutes. 

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2012 Mazda Mazda3 4dr Hatch

155-horsepower 2.0L I4 6-speed shiftable automatic FWD

Mazda Mazda3 in Virginia, United States
Dec 2011 - Aug 2016
Oct 2013

35800 mi
Transmission slow going into reverse. Reprogrammed per TSB. 
Mazda Mazda3 in Alabama, United States
Feb 2012 - Sep 2018
May 2015

71000 mi

US $600
Both wheel bearings had to be replaced. 
Mazda Mazda3 in Washington, United States
Mar 2012 - Jun 2018
Jul 2015

48000 mi
traction control light on and then car would go into manual mode but not respond to shifting 
Mazda Mazda3 in Manitoba, Canada
Feb 2012 - Apr 2012
Mazda Mazda3 in Alabama, United States
Apr 2012 - Feb 2020
Jul 2012

15700 mi
Driver side mirror glass developed a vibration. 
Jun 2013

34000 mi

US $100
During an inspection as part of a service, a large amount of buildup was discovered on the throttle body, and it was cleaned. Technician noted that due to the aggressive EGR system on this engine, this is not uncommon. 
Aug 2013

37700 mi

US $115
AT, check engine, traction control 'slip' lights lit. Restart cleared all but check engine. Dealer, at Mazda's recommendation, reflashed transmission and traction control modules. Problem has not recurred. Tow recommended but not required. Transmission service, check engine, and traction control fault lights. All but check engine cleared by restart. Dealer contacted Mazda, advised to reflash transmission control and traction control modules. Problem has not reoccurred. 
Apr 2014

45700 mi

US $600
Two left door lock solenoids replaced for intermittent failure to lock. Dealer at 8k mi said resultant noise was not a problem, and performed repair under 'good will'. 
Sep 2015

71000 mi

US $25
Condensation forming on the vents after the AC was turned off. Replaced low-beam headlight bulbs. 
May 2016

83800 mi

US $199
A clunking noise was noticed going over a speed bump at an angle, as well as unusual handling. Replaced rear stabilizer bar end links. 
Nov 2016

96300 mi
Pending misfire stored fault code, with flashing CEL on power-on. Cleared code, inspected and cleaned throttle body. 
Jun 2017

111000 mi
Liftgate struts corroded. Performed recall 9916H. 
Oct 2017

117000 mi
Bluetooth module for OE stereo failed to remain paired to phone. Replacing the radio was cheaper than replacing the Bluetooth module. 
Nov 2017

120000 mi
During an inspection as part of a recall service, the transmission pan gasket was found to be leaking, and was replaced. 
Dec 2017

122000 mi

US $1000
Replace front struts and rear shocks. 
Dec 2018

145000 mi

US $1200
Replace seals on transmission oil pan, cooler line fittings, and drive flanges. After this repair, a pervasive smell of burning plastic is emitted from the car after a long highway drive. 
Jan 2020

168000 mi

US $350
Check engine light for lean condition and implausible O2 sensor readings. Replaced O2 sensor. Sensor was bent, and nobody knows how it got that way. 
Feb 2020

168800 mi

US $1800
Replace catalytic converter. 
Mazda Mazda3 in Maryland, United States
Dec 2011 - May 2018
Jan 2015

65500 mi

US $461
My wheels were bent, but no abnormal cause was apparent (like an accident or collision). 
May 2015

48000 mi
Piece of under body trim was loose. 
Feb 2017

71000 mi

US $200
There was a leak through the tire pressure monitor sensor. 
May 2017

76000 mi
My headlights would pulsate when I was decelerating. The shop applied a known software fix to rectify the problem. 
Mazda Mazda3 in California, United States
Dec 2011 - Jun 2018
Jun 2012

10000 mi
Armrest developed an indent from normal use. Part replaced under warranty. 
Mazda Mazda3 in Florida, United States
Mar 2016 - Jun 2018
Mar 2016

44000 mi

US $80
Fog lights relay went faulty at 18k miles. Replaced at 44k miles. 
Apr 2016

44700 mi

US $296
Mass air flow sensor died. Car was stranded. Diagnosed and replaced same day. 
Jan 2018

63000 mi

US $540
All 4 tires replaced after only 28k miles on previous tires. 
Mazda Mazda3 in Kentucky, United States
Mar 2015 - Jun 2018
Jul 2016

38300 mi
Oil pan gasket developed leak - fixed at no cost by repair shop 
Mazda Mazda3 in Florida, United States
Jul 2015 - Oct 2015
Jul 2015

66000 mi

US $150
AC clutch bearing making rattling noise. Have to replace entire AC compressor to fix. 
Sep 2015

67000 mi

US $650
Replaced AC compressor to stop rattling noise from clutch bearing. 
Mazda Mazda3 in Alabama, United States
Oct 2016 - Jul 2018
Aug 2016

34481 mi

US $593
Replaced Entire (Bose) Sound System 
Mazda Mazda3 in Arizona, United States
May 2016 - Sep 2018
Aug 2016

43500 mi

US $65
Headlights flickering when braking. Per TSB this is due to insufficient alternator output and a software update is needed to correct the problem. Reflash of performed at dealership, problem has not reoccurred. 
Mazda Mazda3 in California, United States
Jun 2012 - Jul 2018
May 2017

68000 mi
While I was driving about 70 mph the car suddenly downshifted and wouldn't go more than about 25 mph or less and couldn't go up hills. Got towed - turned out to be a software glitch? The dealer reset and didn't charge me. 
Mazda Mazda3 in Ontario, Canada
Mar 2017 - Sep 2018
Apr 2017

66960 mi

C $60
Replace rear shocks 
Mazda Mazda3 in British Columbia, Canada
Apr 2017 - Jul 2017
May 2017

55800 mi

C $450
Timing belt broke while driving and battery was drained due to engine trying to keep engine safe. 
Mazda Mazda3 in Maryland, United States
Dec 2012 - Dec 2017
Aug 2016

51000 mi

US $50
Replaced Horn that was going bad, did not made a loud noise anymore 
Mazda Mazda3 in Arizona, United States
Aug 2012 - Jun 2020
Dec 2016

46000 mi

US $75
cracked front crank seal 
Jan 2017

46240 mi

US $297
VVT actuator o-ring 
May 2018

60000 mi

US $1020
#3 motor mount, brake fluid flush,  drive belt tensioner, fuel injection service 
Sep 2019

71000 mi
repair oil leak caused by dealer 
Jan 2020

72000 mi

US $70
wheel alignment 
Mazda Mazda3 in Oregon, United States
Jun 2012 - Jun 2018
Feb 2018

69000 mi

US $1000
Engine mount #4 was cracked completely through and needed to be replaced. 
Mazda Mazda3 in New Jersey, United States
Sep 2012 - Apr 2016
Sep 2013

7000 mi
defective valve assembly replaced 
Mazda Mazda3 in California, United States
Jun 2013 - Jun 2018
Jul 2014

25000 mi
"Airbag off" warning light inconsistently illuminates when adult in front passenger seat. Noise from front wheel area since last tire rotation (other auto shop noticed cupping on tires.) Requested suspension be checked while under warranty. Visor clip (unusually difficult to use) failed in first few months. 
Jan 2015

40500 mi
Interior driver door handle (silver color coated black plastic)lost silver coating beginning at 4 months of ownership. Also steering wheel control buttons for radio/phone/cruise control losing markings also at 4 months of ownership. 

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2012 Mazda Mazda3 4dr Hatch

155-horsepower 2.0L I4 6-speed manual FWD

Mazda Mazda3 in New Mexico, United States
Jun 2015 - Jun 2018
Apr 2018

37000 mi

US $213
Hatch button ring broke causing it to go into car 
Mazda Mazda3 in Colorado, United States
Dec 2013 - Mar 2018
Apr 2017

103000 mi

US $120
Replace drivers side window lock assembly. Cable had frayed and broken, making drivers side door lever inoperative. 
Nov 2017

114000 mi

US $700
Replaced front struts 
Mazda Mazda3 in Pennsylvania, United States
Apr 2017 - Mar 2018
Aug 2017

165000 mi

US $440
Replaces air mass flow sensor 
Mazda Mazda3 in Texas, United States
Aug 2012 - Mar 2015
Aug 2013

8900 mi
Engine light was on. Computer needed firmware update. 
Jan 2014

5000 mi
Have to turn key twice to start car. 
Mazda Mazda3 in Pennsylvania, United States
Jul 2012 - Jun 2014
Nov 2013

22600 mi
Squeaky clutch, apparently there was a service advisory from Mazda. Did not affect performance. 
Mazda Mazda3 in Alberta, Canada
Feb 2012 - Mar 2013
Oct 2012

11160 mi
The carpet was loose in the passenger foot-well near the kick panel. The carpet was secured by the dealer. 
Mazda Mazda3 in Minnesota, United States
Jun 2012 - Jun 2018
Sep 2015

30000 mi
Rear hatch electric latch was not working properly (failed to latch randomly). Dealer replaced mechanism under warranty after holding/testing overnight. 
Mazda Mazda3 in Alberta, Canada
Jun 2015 - Jun 2018
Jun 2016

53940 mi
Replaced failed engine mount. 

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2011 Mazda MazdaSpeed3 4dr Hatch

turbocharged 263hp 2.3L I4 6-speed manual FWD

Mazda MazdaSpeed3 in Florida, United States
May 2011 - Jun 2018
Dec 2011

8400 mi
Wheel Alignment due to hitting road hazard. 
Mazda MazdaSpeed3 in Illinois, United States
Apr 2016 - Jun 2018
Apr 2016

70000 mi

US $800
rear struts replaced. Both factory struts blown and leaking 
Mazda MazdaSpeed3 in Massachusetts, United States
Jul 2011 - Mar 2013
Nov 2011

6000 mi
Windshield cowl was rattling, dealer installed anti-rattle clips, noise has abated. 
Mar 2012

16000 mi
Gas pedal is squeaking when cold, dealer verified concern and ordered parts for replacement 
Mazda MazdaSpeed3 in Minnesota, United States
Jul 2011 - Apr 2012
Apr 2012

13000 mi
rattles in dash behind cluster and near windshield 
Mazda MazdaSpeed3 in California, United States
May 2011 - Nov 2012
May 2012

11400 mi

US $80
Stabilizer bar had come loose and stripped threads of attaching bolt. All damaged components were replaced under warranty 
Mazda MazdaSpeed3 in Wisconsin, United States
Jun 2014 - Oct 2017
Jul 2017

64000 mi

US $600
Rear shock leaked, replaced all 4 shocks and struts. Speed 3 trims falling off 
Sep 2017

66000 mi

US $48
Replaced broken plastic studs on lower body trim. 
Mazda MazdaSpeed3 in Alabama, United States
Dec 2010 - Jun 2018
Apr 2011

4000 mi
a little plastic cover over the SD card slot (for the navigation) wouldn't stay in place, so Mazda replaced it at the first service 
Feb 2014

40800 mi
Dealer put oil drain plug on too tightly. I damaged it when trying to remove it for diy oil change, so I took the car back to the dealer to have them extract and replace the drain plug. 
Sep 2015

63000 mi

US $120
HID Xenon headlight burned out, so replaced them both, but that required removing the front bumper cover and the headlights. The HID headlight bulbs cannot be replaced unless the headlight housings come out of the car. Regular headlights on regular Mazda 3s do not require such dismantlement and can be converted to LED headlights. 
May 2018

110000 mi
Plastic mushroom around the hatch release button, located in the center of the hatch, cracked apart and would not hold the release button in position. It fell inside the hatch. I took the interior trim off the hatch to take a look. I used some duct tape to tie it into a workable position so that it would not fall back into the door when pressed or via normal driving vibrations. It wasn't really a fix, but it was just a hack/bodge to continue using the hatch until I could get a fix. THREE recalls exist on the vehicle at this point, and I was never going to have time to deal with them at the dealer. The driver's seat slider recall (applicable 100%), the hatchback lifters (recalled but mine were okay), and the dashboard lifting off the gauge pod (a cosmetic problem). Additionally, the turbo was starting to go. I'm sure the dealer putting the wrong oil into it twice (0W20 instead of 5W30 or 5W40) probably helped it along to its death. I'm not going to have time to deal with the dealer or a shop to replace the turbo, so I've traded the car in June. Somebody will get a rare and otherwise lovely MS3 that needs a turbo. It's really a blast to drive. 

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2011 Mazda Mazda3

Engine not specified

Mazda Mazda3 in New York, United States
Mar 2013 - Jan 2014
Apr 2013

22300 mi
Roof spoiler loose. 
Mazda Mazda3 in Ontario, Canada
Oct 2011 - Dec 2011
Dec 2011

13020 mi
Auxilary button was not functioning on stereo. Will get it repaired when bring in for next routine service. 

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2011 Mazda Mazda3 4dr Sedan

167-horsepower 2.5L I4 6-speed manual FWD

Mazda Mazda3 in British Columbia, Canada
Jun 2011 - Jul 2011
Jul 2011

7440 mi
Clutch switch was noisy. Was lubricated on the first visit (eliminated noise) while part was ordered, then replaced on a subsequent visit. 
Mazda Mazda3 in North Carolina, United States
Dec 2010 - Dec 2012
Mar 2011

11700 mi
Noticed green coolant on bottom of engine. Cracked thermostat housing was leaking coolant. Dealership repaired free of charge. Cracked thermostat housing. Leaking coolant very slowly. Repaired for free under warranty. Dealership explained 4th car in a week with same problem. 
Mazda Mazda3 in Minnesota, United States
Apr 2011 - Sep 2013
Jun 2011

2000 mi
Loose undercarriage trim piece, missing nylon nut. 

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2011 Mazda Mazda3 4dr Sedan

167-horsepower 2.5L I4 5-speed shiftable automatic FWD

Mazda Mazda3 in Georgia, United States
Feb 2011 - Jun 2018
Oct 2011

6093 mi
Driver's seat appeared loose, Replaced rail. Driver's seat still seems loose. Driver's seat appeared loose, Replaced rail. Driver's seat still appears loose 
Jul 2017

29750 mi

US $360
Tensioner pulley 
Mazda Mazda3 in Michigan, United States
Jan 2015 - Dec 2017
Dec 2017

143000 mi
A gap developed the dashboard and car maintenance display. Mazda extended the warranty for affected vehicle. Dealer replaced my dashboard under that extended warranty, upon inspection. Driver seat would come off the rail once in a while. Mazda issues a recall. Repaired under the recall. 
Mazda Mazda3 in North Carolina, United States
Apr 2012 - Dec 2017
Jul 2017

49893 mi
Dashboard piece was showing some underlying felt. Upon further examination, warping was evident. Dealer replaced trim under warranty. 

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2011 Mazda Mazda3 4dr Sedan

149-horsepower 2.0L I4 5-speed shiftable automatic FWD

Mazda Mazda3 in Quebec, Canada
Jun 2017 - Jun 2020
Sep 2017

73160 mi

C $700
Oil change and brakes 
Dec 2017

75826 mi

C $1000
Brakes in front. Front wheel bearing. Necessitated an alignment at the same time. 

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2011 Mazda Mazda3 4dr Sedan

148-horsepower 2.0L I4 5-speed shiftable automatic FWD

Mazda Mazda3 in Quebec, Canada
Aug 2011 - Jul 2018
May 2016

42780 mi

C $240
Tie rod driver side was replaced 
Jul 2017

55180 mi

C $300
Power steering hose starting leaking. The car drove safely throughout that time. Replaced the hose 
Jul 2018

62620 mi

C $1500
Front Control arms were worn and replaced Replaced suspension in the back Valve in the fuel tank replaced 
Mazda Mazda3 in Utah, United States
Aug 2017 - Aug 2018
May 2017

45000 mi
I bought a rebuilt title and didn't realize that the air conditioning wasn't working. They had to replace all of the parts that are part of the air conditioning system. At the same time, they recommended I replace the radiator, which I did. 
Mazda Mazda3 in North Carolina, United States
May 2015 - Jun 2018
Jul 2015

109800 mi

US $150
Replaced battery 
May 2018

149000 mi

US $50
Power jack replaced 
Mazda Mazda3 in North Carolina, United States
Jan 2015 - Apr 2018
Jul 2015

65000 mi

US $500
Needed New Shocks - Old ones were completely worn out. 
Mazda Mazda3 in Ontario, Canada
Jan 2015 - May 2015
May 2015

46500 mi

C $50
Signal light holder melted. Repairable without replacement. 
Mazda Mazda3 in Indiana, United States
Feb 2014 - Nov 2017
Apr 2014

23000 mi
Alternator needed replacing due to bad bearings 
Oct 2014

25513 mi

US $202
Replaced AC and drive belt due to squealing noise when accelerating in the ~1500RPM range. 
Jun 2015

31000 mi

US $100
A/C was causing a squeak when the A/C compressor cycled. Replaced A/C Clutch pressure plate per Mazda TSB. 
Mazda Mazda3 in California, United States
May 2012 - Jun 2018
Jan 2014

7000 mi
The cabin air blower only worked on the highest setting (4). Dealer replaced blower unit resistor. 
Mazda Mazda3 in Pennsylvania, United States
Aug 2011 - Jun 2012
Jun 2012

10000 mi
All transmission fluid leaked out after axle not put together correctly after an engine replacement (dealer did not replace oil during an oil change). 
Mazda Mazda3 in Virginia, United States
Mar 2011 - Apr 2018
Mar 2014

17000 mi

US $89
replace battery 
Jun 2017

32000 mi

US $300
recharge and valve repair to fix A/C. required two trips and still not 100% 

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2011 Mazda Mazda3 4dr Sedan

148-horsepower 2.0L I4 5-speed manual FWD

Mazda Mazda3 in Pennsylvania, United States
Nov 2014 - Jun 2018
Sep 2017

91000 mi

US $125
Leaky drive shaft seal replaced. 
Mazda Mazda3 in New York, United States
Nov 2014 - Jun 2018
Jun 2015

81000 mi

US $400
Driver side front wheel bearing 
May 2017

122390 mi

US $350
Replaced wheel bearing 
Jul 2017

125000 mi

US $200
Replaced last wheel bearing 
May 2018

156000 mi

US $421
Replaced another wheel bearing 
Mazda Mazda3 in Texas, United States
Jun 2011 - Jun 2018
Mar 2015

26000 mi

US $100
Battery dead 
Mazda Mazda3 in Alberta, Canada
Nov 2011 - Jun 2018
Jan 2012 horn not working (intermittently connected wire) 
Jan 2017

12140 mi

C $1500
Car would not fill tank with gasoline. Gas spit from tank. Air lock in tank. Had to replace charcoal filter, as well as Fuel Shutoff valve. Update: Changing charcoal filter did not work, but that is usually the root cause of an airlock in tank.  Also car would not read fuel level on dash. Had to remove rear seat to replace fuel level sensor. 

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2011 Mazda Mazda3 4dr Hatch

167-horsepower 2.5L I4 6-speed manual FWD

Mazda Mazda3 in Missouri, United States
Jan 2013 - Jun 2017
Dec 2014

49000 mi

US $95
battery (stock) drain in cold weather. replaced battery 
Mazda Mazda3 in Tennessee, United States
Aug 2012 - Sep 2012
Sep 2012

22000 mi

US $1000
clutch failed after 21000 miles, Mazda refused to cover. Clutch is only warranted for 12 months, 12000 miles 
Mazda Mazda3 in California, United States
Mar 2012 - Feb 2015
Dec 2012

12000 mi
The driver side door lock actuator was making a squealing noise when activated, so it was replaced under warranty. 
Mazda Mazda3 in Alberta, Canada
Jul 2011 - Aug 2014
Dec 2011

6820 mi
Battery was faulty, had a "bad cell" care would not start 
Jul 2013

33780 mi
motor mount had to be replaced. fogging in both headlights 
Mazda Mazda3 in Oklahoma, United States
May 2011 - Jun 2016
Feb 2016

50400 mi

US $14
Driver-side low-beam went out. Replaced it myself. 

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2011 Mazda Mazda3 4dr Hatch

167-horsepower 2.5L I4 5-speed shiftable automatic FWD

Mazda Mazda3 in Wisconsin, United States
Oct 2012 - Apr 2017
Nov 2013

56000 mi
Rear tires had bad inside wear. Camber setting was within Mazda's range, but the amount of negative camber was too much. The camber is not adjustable. Replaced the camber arms with aftermarket adjustable camber arms and adjusted the camber. Roof spoiler loose. 
Mazda Mazda3 in California, United States
Mar 2011 - Jun 2015
Jul 2013

22200 mi
Rear spoiler was loose. Had to remove interior hatch trim to tighten 4 very loose nuts. 10 min fix. 
Mazda Mazda3 in Missouri, United States
Jun 2011 - Jan 2015
Sep 2011

3000 mi
Minor rattle coming from upper dash area. Panel and soundproofing realigned. 
Nov 2011

6000 mi
Reappearance of problem from Sept 2011. Rattling/popping from driver's side dash. Repaired, however, problem has reappeared again (more than 1 week after repair attempt). 
Dec 2011

8000 mi
Reappearance of problem from sept 2011 and Nov 2011. Rattles and squeaks from instrument panel 
Jan 2012

26300 mi
Rattling from HVAC when fan is on. Dealer diagnosed as debris in fan housing 
Jul 2012

20000 mi
Intermittent check engine light. Turned Out to be debris in fuel line. Cleaned fuel lines and checked. 
Mar 2014

53000 mi
Noise from vents when blowing on high speeds Same as previous. Retried repair 
Jun 2014

57000 mi

US $108
Same as prior visits - only went to a different dealer who was able to diagnose the issue and repair. 
Mazda Mazda3 in Ohio, United States
Mar 2011 - Dec 2016
Aug 2012

14400 mi
Loose driver's side rear sway bar linkage was causing annoying rattling over most bumps. Could not be tightened so linkage was replaced under warranty. 
Mazda Mazda3 in Ontario, Canada
Jun 2015 - Dec 2016
Jul 2015

80580 mi

C $1250
snap clips fell off drivers seat. seat was removed, repaired and replaced. 
Nov 2015

86000 mi

C $300
replace one wheel bearing 
Mazda Mazda3 in Ontario, Canada
Feb 2013 - Nov 2015
Jul 2014

69500 mi

C $1677
Initially replaced the alternator and belts. Discovered fly wheel had separated and had to be replaced. 
Mazda Mazda3 in Washington, United States
Apr 2011 - Jun 2018
Dec 2017

51000 mi

US $10
Headlight replacement 
Jan 2018

52000 mi

US $496
Power steering hose was leaking. Replaced. 

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2011 Mazda Mazda3 4dr Hatch

148-horsepower 2.0L I4 5-speed shiftable automatic FWD

Mazda Mazda3 in Nova Scotia, Canada
Jul 2014 - Dec 2017
Jul 2017

78120 mi

C $120
basic ac recharge 
Mazda Mazda3 in British Columbia, Canada
Sep 2011 - Oct 2015
Aug 2012

8340 mi
Horn stopped working replaced under warranty. 
Nov 2013

21440 mi
replace sway bar bushings in the rear motor mount #4 replaced 

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2010.5 Mazda Mazda3 4dr Sedan

148-horsepower 2.0L I4 5-speed shiftable automatic FWD

Mazda Mazda3 in New South Wales, Australia
Jan 2011 - Jun 2018
Mar 2018

73470 mi

A $660
Rotors were pitted and rusty ( apparently as a result of living near the sea). Front rotors replaced, front brake pads replaced. Brake fluid topped up. Rear brakes still have approx 10,000km on them 

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2010 Mazda MazdaSpeed3 4dr Hatch

turbocharged 263hp 2.3L I4 6-speed manual FWD

Mazda MazdaSpeed3 in Kentucky, United States
Oct 2009 - Mar 2012
Nov 2009 Car had an erratic idle when stopping with clutch pushed in. Had it from day 1. Dealer on 2nd visit diagnosed problem as warped pressure plate, replaced with new plate and clutch. 
Apr 2010

2300 mi
car has a low speed miss. car still misses, dealer could not get computer to id problem 
Mazda MazdaSpeed3 in Washington, United States
Oct 2009 - Jul 2013
Jul 2013

21000 mi
The module for the keyless entry went haywire running the battery dead. 
Mazda MazdaSpeed3 in Alabama, United States
Dec 2009 - Jun 2018
Sep 2017

120000 mi
Replace sticky dash under recall. 
Apr 2018

130000 mi

US $300
ABS Pump 
Mazda MazdaSpeed3 in Washington, United States
Nov 2010 - Feb 2013
Jun 2011

26000 mi
Finish peeling off on wheel. Dealer ordered new wheel and replaced. 
Mazda MazdaSpeed3 in California, United States
Dec 2010 - Jan 2013
Jan 2013

31000 mi
Windows wouldn't lower when cold outside CD player started to skip on certain CD's Loud clicking noise when a/c is turned off from automatic mode 
Mazda MazdaSpeed3 in Indiana, United States
Sep 2009 - Mar 2018
Jun 2011

35000 mi
Driver's seat was squeaking loudly. Dealer inspected seat and found broken weld in lower seat frame. New lower seat frame ordered and installed. A free rental car was provided while car was in shop. Dealer charged $571 to Mazda. 
Dec 2015

74000 mi

US $218
Failed left rear shock absorber replaced. Also replaced right rear shock as an upgrade. 
Feb 2017

82055 mi

US $380
Replaced front brake pads and rotors 
Dec 2017

86000 mi
Broken driver seat lifter, repaired under recall 
Mazda MazdaSpeed3 in Indiana, United States
Jun 2014 - Jun 2018
Aug 2014

33400 mi

US $400
Car developed a rust spot on drivers door. No apparent reason, but it appears the corrosion protection they use is very poor. 
Feb 2016

48000 mi

US $75
Original battery was cranking slowly and tested as bad. Replaced with Interstate Battery. 
Mazda MazdaSpeed3 in Texas, United States
Jan 2010 - Jul 2014
Jul 2011

15000 mi
Squeaking noise was coming from the rear hatch area. A trim piece was rubbing against the hatch and was adjusted to correct the problem. 
Mar 2013

31000 mi
Rattle in rear hatch; rear hatch latch replaced 
Mazda MazdaSpeed3 in North Carolina, United States
Jun 2011 - May 2012
Mar 2012

42000 mi
Microphone for bluetooth was relocated so people could hear me better. It didn't help at all. It hasn't worked right since I bought it. Too much road noise I think. 
Mazda MazdaSpeed3 in Alberta, Canada
Jun 2010 - Dec 2017
Aug 2016

75400 mi

C $600
A stabilizer bar had become loose, it was replaced. 
Jul 2017

84320 mi

C $400
Drive belt was frayed due to a faulty pulley. 
Oct 2017

90520 mi

C $500
Rear shock was leaking. Replaced and repaired. 
Mazda MazdaSpeed3 in Texas, United States
Jun 2011 - Jun 2014
Jun 2013

65000 mi

US $100
Front axle had a squeaking joint, replaced front axle 
Jul 2013

65200 mi

US $250
Squeaking suspension when turning the wheel at low speeds. 
Mazda MazdaSpeed3 in Ohio, United States
Apr 2011 - Jul 2018
May 2011

4000 mi
Check engine light illuminated due to misfire. Code was cleared and problem did not recur. After clearing code, dealer replaced spark plugs with 2011 model plugs. 
Dec 2013

32000 mi
Rattle emanating from the dashboard/windshield area. Felt pads and other materials installed into windshield cowel per Mazda TSB. Repair was done under warranty and at no cost. 
Feb 2017

62000 mi

US $1500
Left rear strut failed and was leaking fluid. Sway bar end links were also shot. I replaced all four struts as well as the bearings and mounts on all 4 corners. Rear Sway bar end links were replaced. 
Dec 2017

67000 mi

US $220
Front pads and rotors replaced. This was the first of any brake maintenance in the vehicle. 
Jul 2018

71000 mi

US $13
Recharged AC system with r134a 
Mazda MazdaSpeed3 in Ohio, United States
Jun 2010 - Dec 2017
May 2015

82000 mi

US $492
Replaced worn out shocks and struts. 
Mar 2016

94000 mi
Stock rear sway bar end links were clunking and worn out. Replaced with upgraded versions. 
Jun 2017

113000 mi
Mazda recall on seat frame and gas lift struts on hatch Alignment 
Sep 2017

115000 mi
Replaced original rotors after 7 years Replace drive belt 
Nov 2017

118000 mi

US $500
ABS Module failed 
Mazda MazdaSpeed3 in Michigan, United States
Jul 2008 - Feb 2013
Nov 2011

25000 mi

US $60
TPMS sensor was leaking air. Mazda quoted $25O for repair. I took the car to Discount Tire and they fixed it for $60. 
Mazda MazdaSpeed3 in Wisconsin, United States
Mar 2010 - May 2012
Apr 2012

31000 mi
Rattle from dash, addressed under warranty 
Mazda MazdaSpeed3 in California, United States
Jan 2010 - Jun 2018
Mar 2010

1000 mi
Driver's seat would creak during cornering. Dealership fixed this problem.  A rattle from the dash cowl/windshield can be heard when traveling over bumpy roads. Dealership installed 'silencing materials' inside dash, but this did not resolve problem. 
Nov 2010

5000 mi
Horn began working intermittently in October 2010. It failed completely in Novemeber, so I took the car to the dealer. They had to special order a replacement horn. Broken horn 
Dec 2010

6000 mi
Faulty horn was replaced for free under original warranty. 
Mazda MazdaSpeed3 in Washington, United States
May 2010 - Mar 2012
Aug 2010

4000 mi
Squeaky Drivers seat 
Sep 2010

6000 mi
AM/FM radio stopped working. Dealer determined radio was bad. Dealer ordered a new radio and installed it under warranty. 
Jul 2011

15500 mi
Radio stopped working completly. 
Mazda MazdaSpeed3 in California, United States
Jun 2010 - Apr 2014
Dec 2013

38000 mi
Headlight was retaining water, entire assembly was replaced for free. 
Mazda MazdaSpeed3 in West Virginia, United States
Jan 2012 - Oct 2014
Apr 2012

32500 mi
Something to do with fuel sensor causing Check Engine. Apparently a known issue. Sensor (unknown) was replaced. Problem has not reoccurred. 

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2010 Mazda Mazda3

Engine not specified

Mazda MazdaSpeed3 in Georgia, United States
Dec 2012 - Dec 2013
Nov 2013

86400 mi

US $175
motor mounts  shocks 
Mazda Mazda3 in Sweden
Aug 2015 - Aug 2015
Aug 2015

52700 mi

$355
car lower arm bushing started leaking oil after 85 000 km, replaced, everything fine now 
Mazda MazdaSpeed3 in Rhode Island, United States
Nov 2009 - Mar 2010
Jan 2010 Drivers seat squeaks from left side. Common issue with these cars. There are three TSBs for this 
Mazda Mazda3 in United Arab Emirates
Oct 2013 - Nov 2014
Nov 2014

93000 mi

¤1
The paint job was ok, but the window got painted spray all over it. 

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2010 Mazda Mazda3 4dr Sedan

167-horsepower 2.5L I4 6-speed manual FWD

Mazda Mazda3 in Florida, United States
Jun 2010 - Nov 2013
Dec 2012

34000 mi
HVAC recirculate door actuator stripped causing clicking noise when deactivating recirculate mode. Dealer replaced actuator under warranty. 
Mazda Mazda3 in Illinois, United States
Sep 2009 - Jul 2011
Dec 2009

8500 mi
Realign headlights, right side was dropping lower than the left. Under manufacturer warranty. 
Mar 2010

14000 mi

US $30
Backing plate of driver front wheel was bent and began to scrape against brake disk. Scrapping was very noticable, loud, and caused me to stop driving the car altogether for two days. On route to dealer noise ceased and could not be recreated. 
Mazda Mazda3 in Quebec, Canada
Feb 2010 - May 2011
Sep 2010

9300 mi
Creaking sound coming from driver's seat. Seat track changed under warranty. Problem solved. 
Mazda Mazda3 in Quebec, Canada
Apr 2010 - Dec 2012
Oct 2010

3600 mi
Plastic trim in the wheel well area expanded and was ajar from the body. Dealer determined issue and ordered the part from the US. The affected trim was replace under warranty. 
Jan 2011

6200 mi
When going over bumps or going around corners (even slowly), a noticeable "pop" and "thunk" could be heard from the suspension. Dealer noted the sound, chassis bolts were tightened, however problem could not be solved. 
May 2012

19620 mi
Both front headlight lens began turning an opaque white, starting from the top of the assembly. Underbody plastic piece covering handbrake line, in rear-passenger area, came loose due to holding bracket/clip falling off at some point. 
Mazda Mazda3 in Nevada, United States
Feb 2011 - Dec 2015
Jun 2012

33000 mi
Gas cap threads worn down causing cap to come loose and check engine light to come on. Gas cap was replaced. 
Mazda Mazda3 in Missouri, United States
Sep 2010 - Jun 2018
May 2016

98000 mi

US $1300
Clutch wore out, had to be replaced. It was only a premature wear of the clutch itself. Nothing else failed. From what I hear, it’s quite common on Mazda 3s. 
Jun 2017

102000 mi

US $485
Front passenger strut was leaking. Replaced both front struts and both rear shocks. 
Mazda Mazda3 in Texas, United States
Jan 2016 - Feb 2016
Feb 2016

92000 mi

US $200
Bad wheel speed sensor. 
Mazda Mazda3 in Oregon, United States
Feb 2010 - Jun 2012
Mar 2011

15000 mi
Driver door lock actuator making pre-fail noises. Actuator replaced under warranty. 
Mazda Mazda3 in California, United States
Jun 2009 - Jul 2012
Jun 2010

12000 mi
Lock cylinder not cycling, when key removed beeped like key in and remote did not lock doors. 
Oct 2010

17000 mi
Drivers side seat squeaking since car was new. 
Jan 2012

38000 mi
On three or four occassions, I've removed my key (non smart key) and hear the warning chime that indicates I've left the key in. When I close the door and go use the remote to lock it, the doors don't lock. If I put the key in and cycle through... 

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2010 Mazda Mazda3 4dr Sedan

167-horsepower 2.5L I4 5-speed shiftable automatic FWD

Mazda Mazda3 in New Jersey, United States
Oct 2009 - Apr 2013
Mar 2013

45000 mi

US $450
Had to replace both front tie-rods 
Mazda Mazda3 in Texas, United States
Jun 2009 - Jul 2018
Dec 2017

128000 mi

US $80
front brakes and rotors 
Mazda Mazda3 in Florida, United States
Aug 2009 - Aug 2016
Dec 2009

2000 mi
Trunk pops by itself and car battery dead. Happened twice in 2 months. Remotes were stored in drawer so not possible it opened by mistake. Dealer replaced battery. Unable to replicate since only happens every few weeks. Weird. 
Sep 2014

40000 mi

US $3300
FAULTY SEALS OF HEADLIGHTS AND CONTROL UNITS OUT 4TH BATTERY REPLACEMENT 
Jun 2016

51000 mi

US $440
hid bulb out 
Jul 2016

51200 mi

US $1200
a/c compressor bolt broke 
Mazda Mazda3 in Illinois, United States
Apr 2014 - Jun 2018
May 2014

45000 mi
Had hail damage and car was repaired. Paintless dent removal process or whatever its called. Metal body and paint are both very thin. Paint sucks on this car. 
Jun 2014

45000 mi
There is a rattling noise when car is stopped with brake pedal pressed. Sounds like something is loose in dashboard area. I will live with it. Never had it looked at. 
Mazda Mazda3 in Quebec, Canada
Apr 2009 - Mar 2016
Feb 2015

77500 mi

C $220
Driver's side door wouldn't unlock. Latch had to be replaced. 
Mazda Mazda3 in Alaska, United States
Apr 2009 - Apr 2012
Aug 2010

23000 mi
Windshield replacement. Seems very susceptible to rock chips and flexing. Was a result of defroster usage and flexing in extended winter temperatures (Alaska). It showed no signs of impact damage. 
Mar 2012

48000 mi
one of the front tie rods was worn. 
Mazda Mazda3 in Arizona, United States
Jun 2016 - Sep 2016
Aug 2016

73600 mi
Dash was sticky from degraded material. Dash replaced under warranty. 
Mazda Mazda3 in Illinois, United States
May 2015 - Oct 2015
Oct 2015

72000 mi

US $220
Valve cover gasket leaking oil. 
Mazda Mazda3 in Kentucky, United States
Feb 2011 - Jan 2018
Dec 2011

35000 mi
Bad Starter. Dragging, pulling down battery. 
May 2016

73900 mi

US $329
Oxygen sensor #4. Had to be replaced. 

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2010 Mazda Mazda3 4dr Sedan

148-horsepower 2.0L I4 5-speed shiftable automatic FWD

Mazda Mazda3 in Illinois, United States
Jan 2012 - Feb 2012
Feb 2012

20000 mi
Intermittently won't start. First after sitting for a couple of days or more, and/or when the weather was very cold. Now progressed to intermittently not starting at anytime. Dealer has been unable to find the problem. Had it in 3 times. 
Mazda Mazda3 in California, United States
Jul 2012 - Jun 2015
May 2013

75000 mi

US $60
Fixed passenger side airbag light 
Mar 2014

88000 mi

US $119
Battery replacement 
Sep 2014

95000 mi

US $525
replaced rear shocks, diagnosed through uneven rear tire wear, excessive road noise, and vibration 
Mazda Mazda3 in Virginia, United States
Aug 2011 - Jul 2018
May 2012

30100 mi
Sensor which detects that the shifter is in Park was not properly detecting that signal, or transmitting it to the steering wheel lock. 
Mar 2016

89000 mi

US $150
Downstream O2 sensor failed after almost 90,000 miles. (Note that the Mazad3 has 2 O2 sensors --- three for California models.) I bought the OE part from the dealer and installed it myself. 
Oct 2017

111000 mi
Passenger-side front engine mount failed. This probably happened a loooooooooooong time ago. Mazda dealer quoted ~$450 to replace. Did it myself for $58. ECU reflash to clear Lean Fuel Trim, Bank 1 code 2096. There's a TSB out on this --- nothing wrong with the car, needs software update. Driver seat linkages failed -- shifting and clicking in turns. Subject to recall. Mazda paid for repair in full. 
Jun 2018

122000 mi

US $200
Replaced front engine oil seal. The mechanic started the car out of time during the procedure, with catastrophic consequences for the engine, but that's not the 3's fault. A very reliable car. 
Mazda Mazda3 in Virginia, United States
Jun 2009 - Dec 2016
Aug 2009

1000 mi
The driver's door could not be unlocked from both outside and inside.  
Aug 2010

8200 mi
Replace a spring of clutch in the driver side's door. 
Dec 2016

92000 mi

US $300
TCM replacement 
Mazda Mazda3 in British Columbia, Canada
Feb 2017 - Jun 2018
Jun 2018

29760 mi

C $150
Check valve cracked and was causing an air leak on the vacuum line that runs from the brake booster to the other side of the air filter. Replaced the entire line, OEM part from Mazda $150 CAD with taxes. CEL light gone. 
Mazda Mazda3 in Newfoundland / Lab., Canada
Jul 2012 - Sep 2012
Aug 2012

24800 mi
Drivers Seat Squeak, Like an old Bed! Left rear Power Window would not operate. Replaced motor. Knocking noise from rear of car. Replaced sway bar linkages. Chirping noise when gear changed assumed from transmission. Dealer said it was the AC Clutch and or the Belt. Replaced both. Chirping is still there but not nearly as bad. 
Mazda Mazda3 in Texas, United States
Aug 2011 - Sep 2016
Oct 2015

59700 mi

US $200
Check engine light came on. Too rich of a fuel mix in the emissions. Was told it was in a technical service bulletin. On board computer had to be reflashed. Cost was $247,but with extended warranty deductible, paid $200. 
Mazda Mazda3 in Maryland, United States
Dec 2011 - Jun 2013
May 2013

28300 mi

US $300
Chassis control unit failed. Dealer wanted $1,000+ to repair, I was granted a goodwill repair as the car was 6 months out of warranty and this was an unusual problem. 
Mazda Mazda3 in South Carolina, United States
Feb 2010 - Jan 2016
Sep 2013

63000 mi

US $447
Passenger side engine mount failed. 
Mazda Mazda3 in California, United States
Dec 2009 - Mar 2019
Jun 2016

89000 mi
Factory safety recall: Driver side intermediate seat frame including height adjuster replaced. Driver seat loose laterally when adjusted to maximum height. Factory repair recall: Dashboard horizontal surfaces beneath windshield sticky/tacky/gummy. Plastic decomposing from UV solar radiation through windshield striking surface. In our experience over 20 years; this unsuitable materials quality issue very un-Mazda like and hopefully not a predictor. 
Mazda Mazda3 in Quebec, Canada
Jan 2010 - Jan 2014
Nov 2012

29340 mi
Actuator faulty. Replaced successfully. 
Mazda Mazda3 in New Hampshire, United States
Jun 2010 - Sep 2016
Aug 2010

28000 mi
Front driver side door would not unlock. 
Mazda Mazda3 in Quebec, Canada
Mar 2015 - Jun 2018
Apr 2016

84200 mi

C $700
Check engine light came on,after verification ,mechanic replaced a transmission sensor 
May 2018

119040 mi

C $300
Worn out pads 
Mazda Mazda3 in Texas, United States
Dec 2015 - Jun 2018
Sep 2016

79000 mi
Dash was replaced under recall. 
Aug 2017

95000 mi

US $300
right rear door lock stopped working. 
Mazda Mazda3 in Illinois, United States
Sep 2009 - Jul 2011
Jun 2010

12000 mi

US $300
The fan on high-speed became very loud and had to be replaced. 
Mazda Mazda3 in California, United States
Feb 2011 - Nov 2017
Sep 2011

13000 mi
showing wear on fabric, stains and plastic trim. Dealer cleaned and will be replacing 2 parts 
Oct 2011

13000 mi
Installed new trim. 
Nov 2011

14000 mi

US $200
small trim popped out but had to be pulled apart to reassemble 
Jul 2017

89000 mi

US $200
Alternator went out 
Mazda Mazda3 in Alberta, Canada
Sep 2014 - Sep 2015
Feb 2015

69920 mi

C $211
Engine mount fail 
Mazda Mazda3 in Missouri, United States
Dec 2012 - Jun 2014
Mar 2014

60000 mi

US $1000
The tire pressure monitoring system needed to be replaced because the valve stems had deteriorated 
Mazda Mazda3 in Florida, United States
Jan 2014 - Jun 2018
May 2015

60000 mi

US $964
ABS light would illuminate periodically and disable traction control. Replaced ABS control module. This is a know problem with Mazda3 and there is a NTSB TSB issued on the problem for 2010-2013 Mazda3. 
Mar 2016

66000 mi
Replaced dashboard cover for glue separation and cracking. 
Mazda Mazda3 in Pennsylvania, United States
Sep 2010 - Oct 2017
May 2011

11700 mi
Dropped car off for TSB work for windshield noise. That day got a call saying they didn't order enough parts. 2nd day got a call they broke the windshield. 8 days later we rcvd car back with OEM glass after the 1st was dmg and 2nd went MIA. 
Apr 2012

20500 mi
RF speaker was blown and replaced under warranty by dealer. 
Mar 2013

30000 mi
Odd ticking noise coming from PS of engine bay. Took to dealer thinking it may be the VVT issue common on the 2.3. Dealer couldn't duplicate noise but replaced belt tensioner under warranty as it had play & said to contact if noise Took tech on test drive to point out noise and when it happened. Noise was duplicated and serpentine belt was replaced at no charge. Stretched out due to faulty tensioner. 
Mazda Mazda3 in Ontario, Canada
Oct 2012 - Jun 2018
Nov 2015

60760 mi
ABS and parking brake on continuously. ABS module needed replacement. 

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2010 Mazda Mazda3 4dr Sedan

148-horsepower 2.0L I4 5-speed manual FWD

Mazda Mazda3 in Illinois, United States
Jan 2011 - Oct 2015
Dec 2013

39000 mi

US $17
Serpentine belt idler pulley became noisy. Replaced with a $17 pulley from NAPA. Took less than 15 minutes. 
Mazda Mazda3 in Quebec, Canada
Aug 2010 - Jun 2016
Jan 2011

6820 mi
Car would not start. Finally got it started by hitting the gas pedal multiple times, which tells me it might have been related to the gas pump. Dealer said they had recalls on earlier models, checked my car, didnt find any problem. 
Mazda Mazda3 in Pennsylvania, United States
Nov 2009 - Oct 2015
Mar 2015

48000 mi

US $700
Calipers needed replaced. 
Oct 2015

51000 mi
Transmission failed and needed replaced. 
Mazda Mazda3 in District of Columbia, United States
Apr 2010 - Apr 2017
Apr 2017

44000 mi

US $750
Front TPMS sensor nuts cracked and corroded--replaced 
Mazda Mazda3 in New York, United States
Mar 2015 - Jun 2018
Jul 2016

90500 mi

US $1500
Clutch got burned and the replacement of all components but a slave cylinder was needed. 
Aug 2016

91100 mi
When the clutch pedal would be released after upshift or downshift, a tremble of two to three seconds could still be heard and felt. The user was comforted (barely) with the hope that the symptoms would disappear eventually. 
Dec 2016

94000 mi
The rear upper shock mount at the left broke. The car was driven on smooth but salty roads in the NE. I installed the Dorman shock mount available in the nearby store. If somebody had the fitting rear shocks, I'd have replaced both shocks. Three screws from under the car were broken, two of them. Part of one Al sheet near the exhaust was burnt/corroded and a new screw with a large washer was fit. Two zip-ties (plastic) put to fasten the same kind of loose shield 2 ft farther. 
Mar 2017

95000 mi
CD drive swallowed the disc and wouldn't eject it. Airbag sensor light is occasionally on, probably caused by a bad contact under the passenger's seat, whether the passenger is in the car or not. 
Aug 2017

93500 mi

US $500
Rear shock absorber at the right wheel leaked. Both rear shock absorbers were replaced. 
Sep 2017

94000 mi

US $300
A piston of a caliper at the right rear wheel was stuck. First this caliper was replaced. Later also replaced the caliper on the left rear wheel. 
Oct 2017

94300 mi
The replacement caliper that the car mechanic installed at the rear left wheel had some crack in it. Two weeks later discovered it was leaking. Replaced the new caliper with another one. 
Dec 2017

97000 mi

US $35
The upper shock absorber mount at the passenger side rear wheel broke (one at the driver side broke around 13 months earlier). The local Advance Auto had it in stock, the same as the first time. I wonder whether this piece is used on other brands of cars. Is this perhaps a common Mazda 3 problem The original pieces fell apart under little stress, but on salty Northern NY roads, near the Canadian border. They should be replaced every five years with shock absorbers, regardless of mileage - being made of such brittle metal. 
Mazda Mazda3 in Minnesota, United States
Sep 2009 - Jun 2018
Feb 2011

26000 mi
squeaking noise coming from the rear, rear windshield was pulled and resealed. Intermittent popping noise from the front end. Sway bar bushings replaced 
Oct 2012

56500 mi

US $90
Valve stem had corroded and split. Required replacement. 
Aug 2016

115000 mi

US $90
TPMS valve stem corroded and nut broke off. Flat tire ensued. Emergent valve stem replacement. 
Sep 2017

128000 mi
Took car in for the seat bracket recall/repair. I DID notice that my drivers seat was loose prior to the recall repair. Seat is now fine. 
May 2018

138000 mi

US $200
Replaced original front struts. 
Mazda Mazda3 in New York, United States
Jul 2011 - Jun 2018
Nov 2016

53391 mi

US $20
Headlight getting dim (not burned out). Replaced both with Sylvania H11 XtraVision bulbs. 
Mazda Mazda3 in Missouri, United States
Apr 2009 - Jun 2018
Apr 2014

81500 mi

US $80
TPMS (tire pressure monitoring sensor) started leaking air. Had to fill up the tire with air every day. Had the valve stem and sensor replaced. The other tires started doing it a couple weeks later. 
Nov 2016

117300 mi

US $60
Had to replace engine coolant sensor, check engine light was still on... replaces thermostat and problem solved. Did it myself with tutorials from youtube. Novice level experience. 
Mazda Mazda3 in Wisconsin, United States
Jul 2009 - Sep 2013
Jun 2011

24888 mi
Under original warranty: Repair not attempted. Dealer service department ordered rear shock absorber/bushing and damper to correct noise, vibration and harshness reported by the owner. Under warranty: The rear shock absorber/bushing and damper were replaced on one side to correct noise, vibration and harshness reported by the owner. Under warranty: The rear shock absorber/bushing and damper were replaced on one side to correct noise, vibration and harshness reported by the owner. 
Mazda Mazda3 in North Carolina, United States
May 2010 - Sep 2013
May 2012

16900 mi
The tires started to make a loud hum. They say it is the tires and that it is a common problem. 
Mazda Mazda3 in Pennsylvania, United States
Sep 2014 - Jun 2018
Dec 2014

77000 mi

US $50
Replaced Horn. Duration - 10 minutes 
Sep 2015

82000 mi

US $6
Found puncture in CV Boot and lost some grease. Repacked CV Joint with new grease, glued the CV Boot. Found ripped lower ball join boot. Replaced ball Joint boot and re-lubricated ball joint 
Apr 2018

124500 mi

US $20
Replaced fuel tank cap 
Mazda Mazda3 in Connecticut, United States
Dec 2009 - Oct 2015
Dec 2013

65000 mi

US $90
hard to start car. Bought new battery and took into dealer. No problem found, but car is still hard to start sometime. 
Mazda Mazda3 in Wisconsin, United States
Oct 2013 - Oct 2016
Jul 2016

56200 mi

US $476
AC compressor died and needed replacing. 
Sep 2016

57000 mi

US $300
Brake master cylinder failure. Replaced brake master cylinder. 
Oct 2016

57000 mi
Very intermittently in cold or wet weather, car would not start. Does not crank. Would start when given heavy throttle input. Likely sticky throttle body or fuel starvation due to some pressure check valve in the fuel system. 
Mazda Mazda3 in Ontario, Canada
Jun 2011 - Mar 2015
Jan 2012

64500 mi
replaced blown speakers 

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2010 Mazda Mazda3 4dr Hatch

167-horsepower 2.5L I4 6-speed manual FWD

Mazda Mazda3 in Illinois, United States
Jul 2009 - Jun 2018
Jun 2013

30000 mi

US $50
Hatchback rear spoiler had to be remounted as it had come loose after two of the fasteners had fallen off completely inside the headliner and the other two became very loose. 
Dec 2013

36000 mi

US $200
Passenger window seal needed to be replaced. The glass was loose inside the door. 
Mazda Mazda3 in Quebec, Canada
May 2010 - Jun 2018
Apr 2012

9300 mi

C $170
Rear windows would not open. Apparently, a wire got disconnected from the switch in the driver's side door. Repair was done under warranty. Also did the 2 yrs maintenance including oil change, blake check, filters check... that one cost 170 
May 2016

30260 mi
Sunroof won't open 
Mazda Mazda3 in Ontario, Canada
May 2010 - Jun 2018
Jul 2016

71600 mi

C $80
Serpentine belt needed changing 
Mazda Mazda3 in Colorado, United States
Jun 2010 - Sep 2012
Sep 2011

19000 mi
Wheel bearing failure, slight grinding on coasting, engine braking, turning right. Replaced front passenger wheel hub bearing. Problem not resolved. Driver side front wheel hub bearing replaced, problem resolved fully. 
Mazda Mazda3 in British Columbia, Canada
Dec 2009 - Apr 2014
Jan 2010

1860 mi
Loose rear seat, used 1/2 liter of oil in 3000KM loose rear seat, used 1/2L of engine oil, 
Mazda Mazda3 in New York, United States
Apr 2010 - Jun 2018
May 2010

13000 mi
Manual transmission problem. Clutch was sticky. They bled the hydraulics lines and problem went away. Also, had tires rotated. 
Dec 2017

126000 mi

US $75
EVAP light kept coming on, even after clearing the code and getting a new gas cap. They were not able to figure out why. Light is still on. 
Mazda Mazda3 in Minnesota, United States
Aug 2011 - Mar 2019
Dec 2014

64000 mi
Parking brake had stuck on. Shop was unable to reproduce. 
Jun 2017

81000 mi

US $1000
Sensor related to AFS headlight system is faulty. Parts alone run around $800 and attach to the suspension. Chose to live with it since it doesn't affect basic headlight functionality. 
Sep 2018

86000 mi

US $440
Outer passenger CV boot split. Required replacement of full CV shaft. 
Mazda Mazda3 in Quebec, Canada
Aug 2013 - Jul 2014
Aug 2013

115320 mi

C $350
The check engine light was coming on and off with no discernible pattern. The code was no. P04021 (catalyst warm-up efficiency). They cleaned the air mass flowmeter but the light still comes on and off at anytime. 
Dec 2013

124000 mi
CEL resolved by replacing a sensor in the fuel tank. 
May 2014

132900 mi

C $3000
Normal wear; new shocks all around, 
Mazda Mazda3 in Maryland, United States
Sep 2014 - Sep 2018
Nov 2014

88400 mi

US $900
Replaced defective battery 
Aug 2017

114000 mi

US $25
Changed out oil and filter, also changed out engine air filter and coolant 
Sep 2018

119500 mi

US $975
Replaced front & back brake pads, rear brake rotors,  & 1 rear struts 
Mazda Mazda3 in Kentucky, United States
Oct 2012 - Jun 2018
Aug 2014

46000 mi

US $90
Blower making significant noise on higher settings and air flow reduced. Air filter clogged with wet leaves that had been sucked in. 
Mazda Mazda3 in Washington, United States
Sep 2012 - Oct 2012
Oct 2012

68000 mi

US $600
Both struts, strut bearings, lower control arms replaced due to excessive wear on bushings and subsequent vibration. 
Mazda Mazda3 in Alberta, Canada
Jan 2012 - Apr 2012
Apr 2012

24800 mi
BlueTooth system faulty, rest of audio system works perfect. Mazda has bulletin/recall (some models) out about this problem on particular model/year. 
Mazda Mazda3 in Texas, United States
Jul 2015 - Jun 2018
Feb 2017

77000 mi
Corrosion on battery terminals. 
Jun 2017

79000 mi

US $255
Replaced drive belt Leaking battery, corrosion on terminals. 
Mazda Mazda3 in Ontario, Canada
Oct 2015 - Jun 2018
May 2017

91760 mi

C $1100
noisy, noisy, noisy... hard to miss. The driver's side front wheel bearing was replaced. They toasted the ABS sensor getting the wheel off, so that had to be replaced as well. pads and rotors, plus the calipers. I expect the pads and rotors, but I've never had to replace calipers on a car, and I had my Acura for 228K miles. 
Mazda Mazda3 in Alaska, United States
Jun 2016 - Mar 2020
Aug 2019

81000 mi

US $95
hatch door lock would not release, replaced latch and release button. Button had been damaged.. 
Mar 2020

86000 mi

US $95
Aluminum alloy shock mount failed causing rattling in left rear of car ( driver's side). Very subject to corrosion due to galvanic effect Aluminum on steel and road salt. Mounts replaced on both sided with upgraded steel mounts from Rock Auto. At the same time one of the heat shields was totally loose near the left rear shock so initially I thought that was the problem. Haven't reinstalled that small heat shield yet ( the small one after the cat heat shield before it reaches the muffler). 
Mazda Mazda3 in New Mexico, United States
Jul 2017 - Jul 2018
Jul 2018

63000 mi

US $1100
Eradic idle. Replaced mass air flow sensor. 
Mazda Mazda3 in Arizona, United States
Jun 2015 - Mar 2019
Apr 2018

115000 mi

US $20
Replaced the serpentine belt 
Mar 2019

140000 mi

US $300
Clutch and clutch mechanism 
Mazda Mazda3 in California, United States
Jan 2012 - Jan 2013
Jun 2012

34000 mi

US $1600
The clutch completely failed after only 33,000 miles! Mazda refused to cover the repair under warranty, claiming it was "normal wear and tear", but there was nothing normal about this failure! 
Mazda Mazda3 in Ontario, Canada
Jun 2011 - Mar 2015
Jul 2011

49600 mi
replace head light cover 
Jan 2013

99200 mi

C $50
repaired broken bracket between seat frame and seat rails. repaired broken bracket between seat frame and seat rails . 
Mazda Mazda3 in California, United States
Dec 2013 - Jul 2018
Dec 2014

60000 mi

US $500
clutch master and slave cylinders replaced 
Mazda Mazda3 in New Hampshire, United States
Apr 2011 - Nov 2014
Oct 2012

73500 mi

US $185
Valve stem broke off front right tire as it was being inflated. Necessitated new tire valve stem and TPS part be installed. 
Feb 2013

77100 mi
Squeak from rear hatch fixed by installing new screws 
Jan 2014

78300 mi

US $120
Replaced battery 
Mazda Mazda3 in British Columbia, Canada
Mar 2011 - Jun 2017
Sep 2012

53940 mi
left front axel seal leaking 
Dec 2012

60760 mi

C $450
replaced struts and shocks. oem ones are craps. do replace them after 80,000. 
Jun 2013

74400 mi

C $85
driver lower seat frame lip sagged lowered, been having discomfort for 1.5 years, or since 80,000km on odo. added foam, bent the lip back up, diy repair, s---ty 2010 seats. 
Apr 2014

94000 mi
side skirt clips (inside) broke off, the mold is very s---ty, have to add additional plastic to hold the clip otherwise epoxy wont work. and no, not buying a new piece ($220) 
Mar 2015

117180 mi

C $171
rear passenger side shocks bottomed out. 3rd pair kyb installed. 
May 2015

122800 mi

C $475
clutch slipping frequently, replaced lower control arm x2 replaced front struts, front driver side endlink, front passenger side abs sensor(cracked housing). passenger side strut was bottoming out. 
Oct 2015

132860 mi

C $200
inner tire wear due to rear camber sagged, installed adjustabke camber arm. further adjustment needed. 
Dec 2015

137020 mi

C $900
alternator failed. battery light goes on after driving. car shuts off on highway... 
Apr 2016

143200 mi

C $850
front struts 

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2010 Mazda Mazda3 4dr Hatch

167-horsepower 2.5L I4 5-speed shiftable automatic FWD

Mazda Mazda3 in California, United States
Jul 2009 - Jan 2012
Mar 2010

10000 mi
Loose bolt on rear sway bar caused rattling, bolt tightened and inspected under warranty 
Mazda Mazda3 in Ontario, Canada
Oct 2016 - Sep 2018
Mar 2018

79980 mi

C $100
I took the car in to have a knocking sound in the front end diagnosed. The mechanic couldn't recreate the noise and couldn't find anything in the steering or suspension that would cause such a noise. 
Mazda Mazda3 in Massachusetts, United States
May 2010 - Apr 2018
Apr 2018

123000 mi

US $200
Fixed broken sway bar link and leaking struts. 
Mazda Mazda3 in North Carolina, United States
Jul 2015 - Dec 2017
Sep 2017

71000 mi

US $100
Front seat leather stitching began to come undone about a year ago. Increasingly worse and bolster leather was very worn and discolored. Ordered replacement seat leather (Katzkin) off eBay and replaced myself with new hog rings, etc. 
Mazda Mazda3 in British Columbia, Canada
Jan 2010 - Apr 2015
Oct 2013

17460 mi

C $750
Battery died. Replaced by the dealer for a new (better) part. 
Mazda Mazda3 in Florida, United States
May 2016 - Oct 2018
Jul 2017

87000 mi
Replace antenna rod Replace rear hatch support struts due to corrosion. My wife had noticed the corrosion on the struts, but did not appreciate the gravity of the situation (hatch falling on your head unexpectedly if the struts fail) until we received the recall notice. We had to wait a couple of months after receiving the recall notice for the parts to become available. Replace seat height adjustment lifter link 
Sep 2017

87000 mi

US $1071
Check engine light indicated problem with ABS. Needed to replace wheel speed sensor. 
Jan 2018

90165 mi

US $372
Brake line between ABS and rear splitter leaking at ABS. Replaced flared pipe between those two parts. I inspected the "failed" part after repair was completed, and there was a scratch across the flare. Looked like manufacturing defect to me, but car well out of warranty. In speaking with mechanic, he seemed oblivious to need to inspect surface of flared pipe connections. In fact, he called the joint a tapered pipe thread until he brought failed part out and I told him it was definitely straight threads. 
Mazda Mazda3 in Texas, United States
Jul 2009 - Aug 2016
Dec 2009

5000 mi
Started hearing a clunk in the front end, particularly in cold weather. Happened mostly when wheel was turned to the left, going over a bump. 
Feb 2010

7000 mi
Started hearing a clunk in the front end, particularly in cold weather. Happened mostly when wheel was turned to the left, going over a bump. Dealer was finally able to diagnose noise as a loose bushing in front crossmember. Squeaking noise coming from driver seat track / seat belt area. 
Mazda Mazda3 in California, United States
Jul 2009 - Jul 2011
Apr 2010

8800 mi
CD Player / 6CD changer stopped working. Got it replaced within warranty. 
Mazda Mazda3 in California, United States
Sep 2009 - Jan 2013
Jan 2013

US $75
Battery died and couldn't hold a charge 
Mazda Mazda3 in Quebec, Canada
Apr 2009 - Jan 2011
May 2010

5660 mi
alarm system was going off remotely by itself. 
Jan 2011

9920 mi
Car is very hard to start in cold weather. Told it's a common problem fixed with a reflash, car already has the latest reflash. No fix available. 
Mazda Mazda3 in Massachusetts, United States
May 2009 - Jul 2018
Jul 2018

107000 mi

US $600
Recharged empty tank and then replaced condenser 
Mazda Mazda3 in Texas, United States
Jun 2009 - Apr 2011
Jun 2010

10000 mi
Dashboard squeak, FM antenna reception 
Mazda Mazda3 in Tennessee, United States
Aug 2010 - Sep 2012
Sep 2010

1000 mi
bad horn would not function, was replaced someone had reinstalled the window sticker on the freshly tinted rear passenger window and when removing it pulled 2 holes in the tint. The window was retinted at this visit. 
Mazda Mazda3 in Arizona, United States
Feb 2010 - Mar 2017
May 2010

4000 mi
Fuel injector was defective and had to be replaced. 
Mar 2011

16000 mi
Plug got stuck in the Cigarette lighter. Was a known defect, with TSB. Was replaced. 
Jun 2016

39000 mi

US $500
Electric lock on drivers side had to be repaired. The actuator was replaced. 
Mazda Mazda3 in Maryland, United States
Jun 2009 - Dec 2012
Aug 2010

25000 mi
Drivers seat was squeaking. Dealer took apart seat cushion and fixed seat. 
May 2012

64300 mi

US $80
Tire pressure monitoring sensor went bad caused air leak 
Mazda Mazda3 in Michigan, United States
Nov 2010 - Jun 2018
Aug 2013

18000 mi
Door lock module replaced for the passenger side rear and now the passenger side front is also making noise when it locks. 
Oct 2013

18200 mi
Door lock module replaced for the passenger side FRONT door. 
Apr 2017

42000 mi

US $100
Brake pads and rotors need replacement. 
Mazda Mazda3 in Ontario, Canada
Sep 2009 - Nov 2015
Mar 2010

10540 mi
I've found that in all Mazda3 hatches, but not the sedans, the windows rattle when down. Replaced all the parts inside the door, but it still rattles. 
Mar 2011

19840 mi
Front passenger speaker replaced. 
Mazda Mazda3 in Oregon, United States
Aug 2013 - Oct 2013
Sep 2013

63000 mi

US $800
Clutch disappeared from compressor and fell on the road somewhere Drivers seat track broke and had to be welded 
Mazda Mazda3 in Tennessee, United States
Mar 2011 - Feb 2016
Feb 2014

42700 mi

US $1300
My headlight ballasts needed to be replaced. My headlights stopped working. The ballasts were pulling charge from the battery even when the car was off. 
Feb 2016

61000 mi

US $1300
HID bulb and ballast needed to be replaced 
Mazda Mazda3 in Massachusetts, United States
Mar 2010 - Jun 2017
Oct 2013

41700 mi
Wheel air valve stem broke in half during routine inflation. Required "replacing tire pressure monitor" for that tire. Replaced with spare and had dealer fix TPMS. 
Mazda Mazda3 in Virginia, United States
Jun 2013 - Jan 2015
Jan 2015

39000 mi
battery needed replacement - would not start in cold 
Mazda Mazda3 in Maryland, United States
Jan 2013 - Apr 2018
Oct 2013

24500 mi

US $300
Master window switch to make rear driver's side window go up broken. 
Mazda Mazda3 in California, United States
Apr 2010 - Jul 2015
Nov 2013

79000 mi
Passenger Headlight housing seal went bad and water got inside housing and shorted out HID module, bulb, and, adaptive lighting module. Dealer replaced housing, bulb, hid module, afs module, and all gaskets. FYI there is a tsb for this issue 
Mazda Mazda3 in California, United States
Jun 2011 - Jun 2018
Jul 2011

37000 mi
Oil leak in timing cover. Dealer repaired. Latch was broken on center console. Replaced under warranty. 
Jun 2013

49000 mi

US $230
Horn stopped working. 
Nov 2013

53400 mi
Battery failing. Replaced battery. 
Mar 2016

69000 mi

US $246
AT light on dash flashes and car downshifts. One wk later AT, DSC, ck engine lights all came on. Taking to dealer.  While at mechanic found that power steering hose was leaking. Scheduled fix but have not followed up due to more AT problems. 
May 2016

70100 mi

US $298
AT light on dash flashes and car downshifts. One wk later AT, DSC, ck engine lights all came on. Manual says to tow car when this happens. Dealer extended warranty to replace the TCM for free. Power steering hose was leaking. 
Dec 2017

86000 mi
Hatch lift support recall 
Mar 2018

88851 mi

US $1100
Broken strut replaced. Rear spoiler loose; rattled. Shop tightened bolts/screws. 
Jun 2018

89894 mi
Sticky dashboard as described at https://insidemazda.mazdausa.com/press-release/mazda3-and-mazda6-warranty-extension-statement/ Dealer evaluated and determined I am eligible for recall but parts not in stock; dealer will contact when parts available. 
Mazda Mazda3 in Alaska, United States
Jun 2014 - Jun 2018
Jun 2015

99000 mi

US $1500
Wheel alignment + new tires and 2 new rear control arms. Wheels were not aligned properly and caused premature wear of old tires. Control arms were too rusted to work on without replacement. 
Jan 2017

114800 mi
Hatchback lift supports were very corroded. Was looking at buying some and found Mazda is recalling them on certain models for inadequate rust protection from factory. Free fix on Mazda. 
Mar 2018

162000 mi

US $1000
Front brakes  and both front control arm replacements. 
Mazda Mazda3 in Ohio, United States
Jan 2014 - Jun 2018
Feb 2014

41800 mi
Passenger seat belt receptor/latch replaced. 
Sep 2014

48000 mi

US $20
Slow tire leak from bead. 
Mazda Mazda3 in Oregon, United States
Aug 2009 - Jun 2011
Nov 2009

2000 mi
Check engine light came on. I have a OBD reader and it read misfire in cylinder 2...I took car to the dealer, they said it was a common problem and they took care of it by replacing the intake manifold. 
Mazda Mazda3 in Illinois, United States
Sep 2012 - Jun 2018
Jun 2017

62000 mi
After I had new brakes put on I started hearing a humming noise driving home front the right front. I had never heard this noise before (I'm the type of person who pays attention to their car). Turns out they had to use a sledge hammer to break the brake front discs free due to corrosion. The dealer didn't admit that this caused the bearings to go bad, but replaced them for free.  After they replaced the front bearings, I started noticing a clunk from the left front suspension backing out of my garage. Once again, I had never noticed this in the 7 years I've had my Mazda, but it started the day I got back from the dealer. They then replaced the whole left front control arm due to a loose ball joint.  After this I noticed the new right front rotor was wearing differently than the right front rotor. Hawk Mazda thought it was "normal" wear until I convince them the pad was seized on the rotor (which it was). Moral of the story, don't go to Hawk Mazda in Joliet, IL for service. I honestly think their wasn't anything wrong my Mazda until I brought it into the dealer, I don't believe in coincidences like that. Thanks for checking in. 
Mazda Mazda3 in Quebec, Canada
Nov 2016 - Dec 2017
Mar 2017

62000 mi

C $200
Replaced both rear brake discs, loosened gripping caliper, new pads. 
Jun 2017

64480 mi

C $136
Replaced both front lower control arms due to worn bushings. 
Oct 2017

68696 mi

C $230
Severe knocking in front. Replacing strut bearings didn't resolve. Ended up disassembling front struts and replacing front shocks only, kept original springs and new wheel bearings. Problem solved. 
Mazda Mazda3 in California, United States
- Jan 2011
Jan 2011

10000 mi
Requested assistance with car's horrendous gas mileage.  
Mazda Mazda3 in British Columbia, Canada
Jun 2010 - Apr 2015
Dec 2012

17360 mi
Passenger's Seat airbag not functioning warning light came on when passenger was sitting in that seat. Recalibrated. 
Nov 2014

30660 mi
Passenger seat sensor doesn't come on when 105 lb wife sits in it, thus deactivating airbag. Dealer could not replicate the problem, which has been intermittent for 2+ years. Headlight covers become opaque instead of transparent 
Mazda Mazda3 in Ontario, Canada
May 2010 - Jun 2013
Apr 2013

24160 mi
Seat motor and rails replaced 

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2010 Mazda Mazda3 4dr Hatch

148-horsepower 2.0L I4 5-speed shiftable automatic FWD

Mazda Mazda3 in British Columbia, Canada
Oct 2010 - Jun 2018
Jan 2018

75640 mi

C $350
Wheel alignment and balancing was done to address odd steering concern causing car to lose traction occasionally while turning. 
Mazda Mazda3 in British Columbia, Canada
Jul 2014 - Aug 2018
May 2018

160504 mi

C $1095
The transmission control module (TCM) failed. Apparently a common problem with the Mazda 3. They replaced the fluid and filter in the transmission just in case. They replaced the TCM with a unit from a junkyard where a low-mileage Mazda 3 was used for parts. 
Aug 2018

166306 mi

C $2813
Rear passenger wheel bearing was making an odd noise, says the mechanic. Needed to be replaced (safety issue). Front brakes and rotors were worn out. 95% worn on driver's side, 99% worn on passenger side (or the other way around, I can't remember) rear shock towers needed to be replaced as they were causing wear on tires. Mechanic says this is a known flaw in Mazda 3 cars, their rear shock units are crap. Said it needed to be replaced as a safety measure. One of the engine mounts was worn out. Did not need to be replaced, but mechanic recommended it. 

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2010 Mazda Mazda3 4dr Hatch

148-horsepower 2.0L I4 5-speed manual FWD

Mazda Mazda3 in Ontario, Canada
May 2010 - Mar 2014
Nov 2013

82160 mi

C $340
damper rt boot 

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2010 Mazda Mazda3 4dr Hatch

104-horsepower 1.6L I4 5-speed manual FWD

Mazda Mazda3 in Denmark
Aug 2010 - Oct 2011
Jul 2010

1240 mi
Replaced driver seat slide-track plastic cover. A small plastic clips cracked shortly after purchase. I am not sure if this was due to passenger accidentally hit it on exiting the car or if it has something to do with low-quality plastic. 
Nov 2010

6440 mi
Driver's seat plastic part on seat rail (left side). Thin painting on my car and the early rust spots / on hinges in doors and more... 

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2013 Mazda Mazda3 Repair Histories

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