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Expensive Mazda CX-9 repairs by problem area

Engine (12%)

Transmission and Drivetrain (24%)

Brakes and Traction Control (9%)

Suspension and Steering (37%)

Electrical and Air Conditioning (15%)

Paint, Rust, Leaks, Rattles, and Trim (2%)

Other (2%)

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Chart based on 104 repairs.

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Mazda CX-9 repair cost distribution

$2500+ (21%)

$1000 - $2499 (79%)

$500 - $999 (0%)

$100 - $499 (0%)

< $100 (0%)

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Chart based on 76 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.

79000 mi

US $1600

PCM software update to fix CEL

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76880 mi

C $3400

Rear Dif and/or transfer case, control solenoid, rebuild.

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44200 mi US $150	Brake booster failure. Fixed under Mazda's extended warranty as it was a known issue for the model year. Passenger side power window motor failure
89000 mi US $1650	Needed to replace driver side front strut. Had to replace in pairs. Was bottoming out and was leading to poor handling. Replaced 4 rotors and brake pads at 88k miles. Used Mazda OEM rotors and pads.
106000 mi US $249	Spark plugs replacement

116500 mi US $350	Driver's side window motor failed.
155000 mi US $360	Passenger side window motor failed. They replaced the motor.
209000 mi US $3000	Leaking shocks, worn out springs. Brake lights not coming on Driver visor spring worn out, the visor had to be replaced.

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94000 mi US $650	Brake booster replaced due to known design issue resulting in leaks and loss of stopping power. Extended warranty for this design issue ended in 2015.
125776 mi US $1500	Replaced #4 fuel injector and all spark plugs Inner and outer tierod replaced
161000 mi US $635	#5 fuel injector replaced as well as all spark plugs (fouled).

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66700 mi

US $1300

replaced steering rack assumed new, but used part installed. still too much play in the steering.

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41000 mi US $400	Control rod bushing.
55000 mi US $1100	Rear wheel bearings.
70000 mi US $1150	Tie rod and control arm.

102200 mi US $1100	Left Front Brake Caliper was sticking, had to be replaced. Rear Wheel bearing failed, entire hub assembly had to be replaced.
157000 mi US $650	Alignment attempted by dealership. Broke bolt and back toe adjuster was seized so needed to be replaced.

123000 mi

US $2000

Inner tie rod replaced on one side. All four differential mounting bushings (rubber) were badly deteriorated and replaced. The rear two are a difficult and costly repair.

80000 mi

US $3100

AWD Transfer case failed and also damaged transmission. Very disappointed to say the least.

84500 mi

US $1050

Leak, wouldn't hold AC coolant. Major repair, several hours to replace worn parts. Wheel bearing, driver front

127000 mi US $500	Needed to replace the ballast on the HID headlights.
134000 mi US $5500	Replaced with a used engine with 64 K miles and the water pump. A time up was also done.

74000 mi US $200	Removed rusted bolts from heat shield and put in new ones Removed rusted bolts from heat shield and put in new ones
82300 mi US $735	new computer for locking system, module under the dash was bad
104500 mi US $1700	transfer case went bad replaced with new one
266200 mi US $600	Needed new wheel bearings
297000 mi US $1000	New struts ,cv joints and brakes over a period pf three trips !!! And yes we are still driving it! I gave it to my son who lives in Chicago I dont expcet it to last terribly long now. We do keep oil changed but..

67000 mi US $1400	Noise when accelerating from transmission. Replaced transfer case. Not covered under warranty, as my car is over 60k miles and no longer covered under powertrain warranty.
93000 mi US $180	TPMS sensor on the rear left wheel no longer working. The tire pressure light went on. When I took the tire pressure on the left rear wheel, the valve blew in, and the air pressure leaked.
90300 mi US $400	Tire pressure valve blew out on front right tire and caused tire to blow out. Plastic key knob broke off.
107000 mi US $200	Control arm recall. Outer right front tie rod replaced. 4 external bulbs needed to be replaced

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43000 mi US $622	Blower motor shorted due to water backing up in AC drain line.
78000 mi US $1000	Leak in evaporator coil

107700 mi US $900	Regulator-motor issue on driver door
137000 mi US $1450	Brakes, rotors, calipers Replace radiator coolant

89800 mi US $250	Abs controller went bad
118500 mi US $1500	This is an AWD car and the transfer case went bad. There was a whining sound that started at 30mph.

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68700 mi US $1628	Right rear tire deflated due to bad valve stem. Heard warning beep, but didn't know what it was. Replaced all 4 tires, oil changed. Replaced tire sensor on right rear, alignment, install remote start. Clunking noise turned out to be worn left side control arm. Dealer recommends replace both left and right.
73300 mi US $802	Front lower control arms replaced (both sides)
78500 mi US $1729	Replaced Lower Right Control Arm for the second time ($948) Leaking left rear axle (397) and leaking transfer case ($384)
89000 mi US $150	Clogged ac caused water on front passenger floor and ac/heat to not function at full capacity. This is the second time this has happened in 3 years. The first time we fixed it ourselves. Front lower control arms needed replacement again. Now this is a recall by Mazda so we were not required to pay for it.

50000 mi

US $2998

Repaired rotted bushings. Dealer was also unable to loosen bolts to replace rear subframe that was damaged. Had to cut control arms and other parts.

42000 mi US $180	Droning noise from under car. Dealer said propeller shaft needs replacing. Actually it was the wheel hubs.
88000 mi US $800	Wheel hubs were making a grinding noise dust shield near rotors were warped
104500 mi US $732	Change both tie rod ends that were worn...
117000 mi US $500	Trunk locking mechanism was frozen. Had to replace the whole lock part.
121000 mi US $800	frozen caliper
143300 mi US $900	Transfer case was leaking badly.
153000 mi US $1000	change both calipers Starter was failing
166000 mi US $550	rusty suspension parts were changed

80300 mi US $1800	replaced tie rods.
78000 mi US $168	fender plastic wheel well came apart and weather stripping liner on right came undone.
80600 mi US $600	and tie rod repair

78000 mi US $875	Heat shield loose at rear of car, making noise.
114700 mi US $110	Original battery failed to start car. Replaced with new battery from dealership, installed it myself.
119700 mi US $350	Replaced rear shocks after one started leaking oil
126000 mi US $1900	Increased body motion and recovery time on bumpy roads. Original front struts replaced.

88000 mi US $200	Right inner tie rod replaced
174000 mi US $500	Replace alternator Replace driver rear bearing a week later
185000 mi US $1700	Transfer case replacement.

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67000 mi US $951	Ball joint and lower control arm were replaced. Window seal on driver's door replaced.
74000 mi US $834	AC condensate drain plugged. Reservoir filled with water destroying the blower motor
86000 mi US $750	inner tie rods and sway bar links worn out
89800 mi US $1500	4 coils needed to be replaced
94000 mi US $234	outer tie rod ends replaced

86700 mi

US $2000

Power transfer unit was going out. Symptom was leaking thick grease in garage. Tie rods replaced

75000 mi US $150	transfer case oil, supposed to be life time, but fluid was spent beyond its life, 75w-140 had turned to a greasy paste not oil any more, requiring 4 fill up and drains, no drain plug fluid is supposed to be lifetime, known failure area
83000 mi US $900	driveline went bad, u joints failing and carrier bearings failed, not serviceable at all, had to replace entire driveshaft assembly
91000 mi US $5000	transfercase, a common problem with these, complete failure

82460 mi C $600	Car had a slight shimmy at speeds between 55-65 kph. Tie rod ends replaced and wheel alignment.
88040 mi C $5000	Problem was a slight vibration in drivetrain at 50-60 Kph. Diagnosis was torque converter problem caused by poor shifting by transmission. They ended up replacing both as well as the transaxle.

92000 mi US $199	Sunroof leaking, replaced seal
103000 mi US $2045	Relaxed 3 wheel bearing hubs, one control arm one sensor.
104000 mi US $215	Door handle broke

101000 mi

US $1700

replace ball joints and tie rod ends

82000 mi US $500	Both outer tie rods needed replacement.
89000 mi US $1600	Drivers front and rear wheel bearings, Passenger front mid-shaft bearing. The associated hub and shaft were replaced. AC blowing warm on drivers side, colder on passengers side. Diagnosis, low on freon, leak check did not identify leak. Added freon now working correctly.
98000 mi US $125	Diagnosis- Passenger side HID headlight stopped working. Control module failure. Dealer quoted an additional $800 to repair but did not have part in stock. Owner purchased part on line and made repairs
102000 mi US $150	Front Muffler rusted, repair shop did not have part, inserted straight pipe. Still has both rear mufflers. Little louder than stock.
110000 mi US $725	Replaced front muffler assembly

67000 mi US $1405	Transfer case not operating properly. Leaking from the top of the transfer case. Technicians were able to troubleshoot problem to the transfer case and needed to replace.
78000 mi US $2000	Drivers window no longer working. Needed new motor. Working after repair, but auto up or down no longer working. CV boot needed to be replaced on passenger front wheel.

111420 mi C $300	Rear wheel bearing was about to fail
117780 mi C $1300	Replaced ball tie rod ends as well as all four struts
121500 mi C $200	Drive belt and alternator belt replaced

68000 mi US $180	Replacing the AC belt, which started to crack as previously inspected.
78000 mi US $1650	AWD Transfer Case was leaking and the entire unit has to be replaced
82675 mi US $1277	Replace four shocks and perform wheel alignments. Shocks showed some wear and tear as the car leaned during cornering

42340 mi C $500	Check door straps ordered. Noisy. TSB. Key fobs ordered.
58280 mi C $700	Dealer advised tie rod had excessive play and recommended replacement. Agreed and repair completed while in for 96,000km service.
65960 mi C $1000	Replaced worn tie rod

129200 mi US $221	Very slight leak at oil pan gasket. This should have been identified and repaired under Warranty a long time ago, but the dealership said nothing was wrong. Independent shop replaced RTV seal - no more leaks.
134000 mi US $1046	"White Powder" being released into the ventilation system from a deteriorating evaporator core, and blowing out of the vents into the vehicle. This was possibly the result of an earlier clog in the evaporator drain line.

56500 mi US $350	Drivers door electric lock did not work required new actuators.
46300 mi US $300	A/C motor burned out due to condensate drain being blocked and overflowed into motor. dealer wanted 910.00 to repair. Got recycled assembly on line for 200.00. took longer to clear drain than to replace motor. also changed 2 fan relays.
64000 mi US $1100	passenger side calipers. front rotors again , pads

151000 mi

US $1300

Replaced rack

84000 mi US $300	Torque converter failure imminent. Lock/unlock BADLY during steady-state driving. Can be defeated by selecting "Manual" shift mode on transmission. Tech determined bad TC. Cannot replace; integral to transmission. Not replaced.
106000 mi US $1300	Wheel bearing and hub assy replaced.

29000 mi US $1100	Replaced tires and did 30000 mile services. Also replaced interior trim.
75000 mi US $140	AC line froze, needed to be cleaned out due to the cabin air filter needing to be replaced
118300 mi US $1700	front diff had to be replaced, made a terrible grinding noise
143000 mi US $1200	air intake clogged water built up in engine wall,shorted out AC compressor,solenoid and other electrical functions of AC.
145000 mi US $1700	coil leaking along with gaskets and others
162200 mi US $1700	condenser and several other parts need to be replaced. coil replaced last year
182000 mi US $1250	Driver side headlight replacement
198000 mi US $400	oil pressure regulator.
215000 mi US $2700	Alternator failed due to power steering pump dripping fluid on top of it. Power steering pump failed and leaked fluid
232000 mi US $3000	entire AC system replacement.

78000 mi

US $500

Too much play/separation on ball joints. Had to have front lower control arms, swaybar links and swaybar bushings replaced. Also had broken rear differential mount. Had 2 lower differential mounts replaced. Tire sensor broke and right rear tire deflated. Car was also shaking at high speeds when brakes were pressed. Went to dealer. Front rotors were very rusty and warped. Got new rotors and new tire valve.

83300 mi

US $1000

Both credit card style keys for the car have problems. One is not recognized by the car at all, and will not start the car even with the inserted manual key. The other cannot maintain contact with the battery, so only works part-time. Right front brake caliper was sticking. Noticed sluggishness and felt slight roar at higher speeds. Required new brake pads, new right caliper and rotor (replaced in 2015), and new brake lines/hoses.

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193000 mi

US $2500

Struts, tierod ends,

79500 mi US $3850	Overheating, loss of power. Excessive noise.
89000 mi US $2350	Camshaft

69000 mi

US $1100

Coil codes due to faulty PCM.

101500 mi US $700	Throttle position sensor failed replaced front bearing
96000 mi US $2000	Faulty ECU

86800 mi US $1030	Ball joint on front passenger side was bad. Also had to replace control arms. Cost included oil change as well as a brake job on the front. Rotors and pads replaced.
116800 mi US $820	Ball joint and control arm replaced on driver side. Wheel was coming loose.
135000 mi US $1100	Had all shocks and struts replaced
144000 mi US $650	Front brakes replaced for wear and tear

146400 mi US $375	Front wheel bearings squeaking/creeking when turning.
149000 mi US $6000	Original radiator had slow leak caused overheating of engine. Oil water mixed. Instead of head gasket fix, I decided on engine swap to hopefully last another 3-5 years...

64000 mi

US $4500

Transmission was failing did not want to spend 4500.00 to repair the transmission.

67000 mi US $400	Bluetooth failure
67300 mi US $175	Bluetooth module failed. Had to be completely replaced climate control sensor relays blown. Blowers were coming on when vehicle was turned off.
73000 mi US $982	Replaced right front tie rod end Front lower control arms replaced Reattach gas tank. Bolt holes rotted out Transmission fluid flush
78000 mi US $400	Filters replaced and boxes cleaned out Hole in exhaust pipe at hanger

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123000 mi US $200	Tie rod end loose, probably from driving over Cleveland's potholes - repaired.
148000 mi US $800	Left front wheel bearing, $350. Both inner/outer front tie rod ends, $450. Sway bar links were preserved, reused.
161000 mi US $300	Worn front right wheel bearing
178000 mi US $1000	This quarter I replaced left front and rear wheel bearings, and right front ball joints
171000 mi US $1350	Replaced transmission take off unit, $1350 symptoms were a whining engine. Replaced transmission take off unit, $1350 symptoms were a whining engine
195000 mi US $1214	a/c compressor (after-market) plus filter, compressor oil, recharge and leak test
209000 mi US $570	front calipers replaced along with disk rotation and pads
215000 mi US $700	Rear drive not engaging - our AWD is currently a front-wheel drive. Had a grinding noise but has not worsened so we left it alone for now.
230000 mi US $1000	A/C compressor replacement during which radiator fell apart. Both replaced

55800 mi

A $1000

Brake master cylinder failure

118000 mi US $2500	Jammed calipers
133200 mi US $1100	wheel bearing and struts
139000 mi US $120	slipping in 6th gear at 50mph, sometimes 5th gear - but only at 50mph. Replaced transmission fluid to attempt to fix. June 2017 update - not transmission, fuel injectors, improvement with adding fuel injector cleaner
145000 mi US $600	Replaced BCM. (due to sunroof drain clogging, water leaked on BCM)
160000 mi US $150	clogged AC evap drain, caused leaking into passenger side floor

82000 mi

US $2600

bank of coils failed and shorted the computer. Coils(6) and computer were replaced

58900 mi C $1100	Replaced left rear wheel hub assembly pls flushed the transmission, differential and power steering fluid.
74760 mi C $300	Replaced front pads and rotors. Replaced right front caliper assembly. Changed engine oil and filter and battery.
114080 mi C $400	Replaced front brake pads and passenger front calipers. Flushed brake lines.

27000 mi US $1400	Replace both rear wheel bearings.
49000 mi US $823	Diagnostics and repair of HID control unit. HID control unit $588.22. OUTRAGEOUS FOR ONE ELECTRICAL PART.

91800 mi US $1700	Transfer case had slow leak. Gear lube dried out, transfer case failed. Rear wheel drive cannot engage during low traction, 4wd dashboard light flashes when rears should be turning.
125000 mi US $1500	Purchased tires at TireDiscounters, they did not report worn ball joint. Joint separated while driving immediately out of shop driveway. Broke cv joint, stabilizer end link and various body parts in process. Shop refused liability insuance

59000 mi US $637	Gas cap strap broken. Gas cap and strap replaced. Driver side lower front door seal pulled away from body. Price quoted was too high, so continued with duct tape holding it in place. Rear axle seals leaking. Seals replaced.
75000 mi US $355	Rear axle seals leaking - replaced.
92000 mi US $100	RR wheel bearing worn and causing noise. Bearing replaced. Total cost $584. Owner paid $100, Extended warranty paid $484.
99000 mi US $130	Front strut bearings replaced - making noise in turns Rear differential pan cover leaking - resealed Front timing cover leaking oil - reseal
100500 mi US $1500	AWD differential completely failed
119500 mi US $200	Heat shield under vehicle corroded at mounting points. Shield then dropped onto driveshaft. Heatshield was replaced.

88800 mi US $650	2nd time Wheel bearing on front left tire has gone out.
107000 mi US $1300	Bearings went out in front - both sides

79000 mi US $1300	Replaced PTU after seal leaked. Replaced PTU after seal leaked.
101000 mi US $910	Lower ball joints needed replacement, worn out. Installation required front end alignment upon completion.
120600 mi US $275	Replaced front, right tie rod arm.
137000 mi US $120	Engine light came on, diagnosis inconclusive of crankshaft position correlation, but nothing was found. After reset, engine light came on again a few days later, another service appointment is scheduled.
140000 mi US $520	Replaced the Oil Pressure Sensor. Engine light still on after repair. Everything else checks out fine, so running it with the engine light on until something else appears.

49300 mi US $100	Rotors were warped. Rotors were re-ground. They did not replace them this time because car is no longer under warranty.
72000 mi US $174	Bad Fuel injector. I had an extended warranty that paid the majority of the cost.
90500 mi US $1162	Replace rear shock absorbers. Replace right and left control arms Sunroof drain clogged. Interior totally soaked. Carpets need to be cleaned. Padding underneath needs replacement
98400 mi US $700	Replace right and left control arms and realign car received recall notice after the repair. Waiting for Mazda to reimburse me.
100000 mi US $697	Right front tie-rod Front left wheel bearing
96500 mi US $250	Replace cracked serpentine belt
114000 mi US $762	New front rotors and pads
120000 mi US $2000	Replaced the full exhaust system
151000 mi US $2500	replace drive axle, radiator and flush brake fluid
157000 mi US $800	Right rear hub again! 3rd time having to replace this

111000 mi

US $1800

Power rack replaced d/t leak

149000 mi

US $1200

Also fluid added to transfer case and ECU removed and repaired and reinstalled.

195000 mi

US $2000

Front struts and associated parts replaced plus wheel alignment

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Expensive Mazda CX-9 repairs by problem area

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