2005 Acura MDX Acura MDX 2005

We are 103,000+ car owners sharing real-world car information.

Join Us

2005 Acura MDX repairs by problem area

Engine (30%)

Transmission and Drivetrain (13%)

Brakes and Traction Control (2%)

Suspension and Steering (15%)

Electrical and Air Conditioning (36%)

Paint, Rust, Leaks, Rattles, and Trim (3%)

Other (3%)

Chart based on 183 repairs.
See TSBs and recalls for the 2005 Acura MDX.

2005 Acura MDX repair cost distribution

$2500+ (4%)

$1000 - $2499 (14%)

$500 - $999 (20%)

$100 - $499 (39%)

< $100 (24%)

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

Chart based on 152 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.

2005 Acura MDX

Engine not specified

Acura MDX in New York, United States
Feb 2011 - Aug 2011
Mar 2011

67000 mi

US $600
O2 Sensor, also had rear brakes and battery replaced 
Jun 2011

70000 mi

US $300
shifter cable needed replacement 
Aug 2011

70000 mi
The power drivers window started acting up and the instrument lights on the steering wheel and shifter console went out. 
Acura MDX in Puerto Rico
Jul 2010 - Jun 2011
Sep 2010

47000 mi

US $900
Transmission failure due to water leaking from faulty radiator. 

Return to top

2005 Acura MDX 4dr SUV

265-horsepower 3.5L V6 5-speed automatic AWD

Acura MDX in Ontario, Canada
Jan 2013 - Mar 2017
Aug 2013

10230 mi

C $500
Radiator blew causing the transmission fluid and coolant to intermingle. Potentially devastating as coolant will fry the transmission. Rad replaced and transmission flushed. 
Jan 2014

114080 mi
starter died 
Feb 2014

114980 mi
rear left bearing shot, replaced 
Oct 2015

133300 mi

C $150
Rear bearing 
Acura MDX in Florida, United States
Sep 2013 - Jan 2014
Dec 2013

125000 mi

US $3600
Car failed to engage in drive or reverse. Required full transmission replacement. 
Acura MDX in Alabama, United States
Feb 2014 - Jul 2018
Apr 2014

137800 mi

US $1000
rear passenger window mechanism broke. mechanism holds window up. needed to be replaced wear item boots needed to be replaced 
Jan 2016

165000 mi

US $1200
On cold mornings, whirring sound like a pulley belt. Dealer said belt was "glazed" and replaced all belts including the main belt that needs to be replaced every 105k miles. Seemed excessive since only 167k. Didn't fix cold morning noise. 
Mar 2017

190000 mi

US $600
Heater to the front broke 600 to fix 
Dec 2017

215000 mi

US $600
Wiring harness to trunk broke and needed to be replaced Power steering was replaced - the whirring noise resulted in this finally requiring replacement $600 
May 2018

226000 mi

US $500
Hit some standing water twisted a plate that covers and protects the drivetrain. Deformed plate had broken loose and was rattling on exhaust system. Dealer either bent back or replaced plate 
Acura MDX in Missouri, United States
Mar 2014 - Aug 2016
Apr 2014

118500 mi

US $3000
Replaced one of the AC hoses and re-charged system. Rear passenger side door lock failed and needed to be replaced. replaced rear shocks 2 engine mounts replaced 
May 2016

141900 mi

US $325
Front passenger side door lock actuator filed. 
Acura MDX in Massachusetts, United States
Aug 2014 - Jan 2017
Sep 2014

188000 mi

US $800
original radiator developed small leak 
Jan 2017

US $200
Tire Pressure Sensor needed to be replaced 
Acura MDX in California, United States
Feb 2013 - Nov 2017
Jul 2013

105000 mi

US $800
Check Engine Light came on. Engine required adjustments to the engine valve gaps. Had noticed rough idling before service. It's fine now. Dealer states the Steering Rack assembly is leaking power steering fluid. I have been watching the fluid for several months and there is no indication of a leak. 
Sep 2014

120000 mi

US $925
Replaced Shocks and Struts 
Feb 2017

160000 mi

US $650
Replaced one broken engine mount 
Acura MDX in Florida, United States
Dec 2012 - Mar 2015
Jul 2013

151000 mi

US $140
The engine light was on and off,the code was the oxygen sensor,so i replaced the o2 sensor. 
Acura MDX in Tennessee, United States
Apr 2012 - May 2018
Jul 2013

245300 mi

US $164
Regular transmission service and replacement of front differential seal. 
Aug 2014

264200 mi

US $592
Replaced both front drive axles and the right side axle seal. 
Feb 2016

296900 mi

US $3000
Replaced front and rear catalytic converters. Replaced passenger rear door lock actuator. Replaced valve cover gaskets and adjusted valves. 
Aug 2016

305000 mi

US $750
The auxiliary fan had melted off it's axle and the radiator had a hole in the bottom. Both were replaced. 
Dec 2016

314000 mi

US $322
Replaced left passenger door window regulator and motor 
May 2017

321000 mi

US $2000
Timing Belt, Water Pump, Adjuster, Idler, and Coolant Rebuild PS Pump, Replace PS High Pressure Hose Reseal front engine plate. Crankshaft seal, spool valve filter, Oil pump gasket, Oil P/U tube o-ring, Camshaft solenoid Gasket 
Aug 2017

329000 mi

US $86
My turn signal got stuck in right turn mode. No matter where I put the lever it was flashing that I was turning right. The shop (Accurate Autos) removed the system, cleaned it up, and reassembled it. Problem Solved. I also had an oil and Filter change done while I was there. 
Dec 2017

341000 mi

US $463
Two rear tires 
Acura MDX in Ontario, Canada
Feb 2012 - May 2018
May 2016

156600 mi

C $2250
Replace Front Struts. Rear shocks, front tie rods. Timing belt. 
Apr 2017

177940 mi

C $5
Replace coils 
May 2017

182900 mi

C $450
Low refrigerant 
Feb 2018

189100 mi

C $950
Replace erg module 
Acura MDX in Oregon, United States
Apr 2012 - Apr 2012
Apr 2012

65000 mi

US $1500
Wheel well seam leaking onto floor interior 
Acura MDX in Tennessee, United States
Apr 2012 - Oct 2012
Feb 2012

105000 mi

US $800
Replaced 2 of 3 motor mounts 
Apr 2012

113000 mi

US $670
2 of the engine mounts needed replacing 
Acura MDX in North Carolina, United States
Dec 2014 - Dec 2017
Jul 2016

82500 mi

US $500
Alternator was replaced. 
Acura MDX in Utah, United States
Apr 2012 - Mar 2015
Apr 2012

100000 mi

US $1000
Front and passenger side motor mounts bad 
Acura MDX in California, United States
Dec 2014 - Aug 2015
Jun 2015

137000 mi

US $1400
Rear AC motor died Automatic door locks stopped working for the second time in 5 years. Repair was made but door locks still do not work on one door after being parked out in the hot sun (over 85 degrees). Vent clips broken off heater/ac vents 
Aug 2015

137000 mi
The power door locks were again not working properly, despite recently having the actuators replaced for the second time. 
Acura MDX in Utah, United States
Apr 2012 - Apr 2012
Mar 2012

92000 mi

US $212
Door lock stopped working 
Acura MDX in Pennsylvania, United States
Dec 2009 - Dec 2012
Nov 2009

51000 mi

US $850
Both front wheel bearings replaced. 
Acura MDX in Massachusetts, United States
Dec 2013 - Dec 2017
Apr 2017

153000 mi

US $1000
struts and shocks and general check up 
Acura MDX in Oregon, United States
Sep 2016 - Feb 2018
Sep 2017

172000 mi

US $900
Replaced alternator as it would no longer charge battery. Done so at a Honda dealer which was cheaper than Acura by $300. 
Acura MDX in Texas, United States
Jan 2021 - Jun 2022
Jul 2021

163000 mi

US $700
Timing belt and water pump The hands-free link module failed and created a parasitic drain. The module was disconnected since it is no longer available. 
Jun 2022

171000 mi

US $125
Replace blower motor 
Acura MDX in Pennsylvania, United States
Sep 2015 - Jun 2018
May 2018

130000 mi

US $100
Replace rear brake rotors and pads. DIY. 2 hours. 
Acura MDX in California, United States
Jul 2015 - Jul 2018
May 2017

130000 mi

US $450
Air Fuel sensor required replacement 
Acura MDX in Pennsylvania, United States
May 2016 - May 2017
May 2017

146000 mi

US $900
AC compressor died. Replacing it took a long time to get it right. 
Acura MDX in Kansas, United States
May 2016 - Jul 2017
Sep 2016

143000 mi

US $1028
Due to abnormal tire wear, had 2 struts on front and 2 shocks on rear replaced. 
Nov 2016

145000 mi

US $295
Blower motor stopped running; had to replace transistor 
Dec 2016

148000 mi

US $130
Wiring to rear lift gate separated; had to splice wiring; affected rear lift gate lock only Replace defective shock on rear wheel 
Acura MDX in Connecticut, United States
Nov 2015 - Jan 2016
Jan 2016

172000 mi

US $250
Changed solenoids for torque converter lock. 
Acura MDX in Texas, United States
May 2016 - Jun 2018
Dec 2016

193000 mi
Replaced fuse to fix cruise control 
Oct 2017

208000 mi

US $488
Repair oil leak engine oil pan Replaced Struts and Sway Bar Replaced shift solenoid to repair leak 
Jan 2018

215000 mi

US $400
MAJOR BRAKE SQUEAL. 
Mar 2018

220000 mi

US $400
Dead battery 
Acura MDX in Alberta, Canada
Mar 2016 - Aug 2019
Jul 2016

84420 mi

C $220
Freak accident - radiator leaking from rock or something which struck it while driving on freeway. Replaced radiator. 
Mar 2017

87420 mi

C $40
Flushed rear-diff fluid - the vehicle was vibrating badly when turning and accelerating from low speed. 
Acura MDX in Washington, United States
Mar 2016 - Aug 2018
Nov 2016

136000 mi

US $400
replace worn cv boots 
Acura MDX in New Jersey, United States
Nov 2016 - Dec 2016
Dec 2016

147000 mi

US $1070
car died on train tracks. Needed tow to dealer. Alternator and battery dead. 
Acura MDX in New York, United States
Feb 2012 - Oct 2014
Aug 2012

158000 mi

US $160
Drivers side outer tie rod was bad, this caused alignment issue 
Nov 2012

161400 mi

US $340
Radiator line ruptured, had to replace Radiator 
Jun 2013

168000 mi
VSA module 
Acura MDX in Texas, United States
Oct 2011 - Dec 2011
Dec 2011

100000 mi
push/pull lock and actuator broke on rear pass.door. and p/plock broke on other rear pass.door. $214 for 1 door to fix/1day. However, both doors can be locked. Intend to sell, will have more info later. 
Acura MDX in Minnesota, United States
Apr 2008 - Mar 2010
Sep 2008

43000 mi
Bad torque converter.  
Acura MDX in Massachusetts, United States
Mar 2008 - Jul 2014
Jul 2010

73000 mi

US $880
Transmission cooler failed internally, allowing ATF fluid and engine coolant to intermingle. Within a day the car was undriveable. 
Nov 2010

76000 mi

US $39
failure of several interior lights and complete set of tail lights - turned out to be a simple case of fuses blown. Has not re-occured after 2 weeks of driving. 
Dec 2011

87000 mi

US $400
2 broken motor mounts 
May 2012

91000 mi

US $1680
CEL check returned transmission sensor fault; dealer inspection reported that transmission was failing and required full replacement. Engine oil leak from "rear seal" whatever that is 
Sep 2013

106000 mi

US $250
Front sway bar snapped and was replaced. 
Acura MDX in Ontario, Canada
May 2008 - Dec 2016
Jun 2009

35960 mi

C $280
ac not cold enough, no leaks found, refrigerant and dye loaded, will check again in three weeks if there are any leaks. 
Nov 2009

39060 mi

C $500
Replaced driver side front wheel bearings. 
Dec 2016

153140 mi
Transmission oil leaked into radiator. Could still be driven as long as the fluid was topped up. Vehicle traded for new. 
Acura MDX in Minnesota, United States
Feb 2010 - Mar 2016
Dec 2015

107000 mi

US $3000
Incurred 3k expenses in short span and was not reliable once the trouble started. Until then, it was great car. 
Acura MDX in Illinois, United States
Apr 2010 - Dec 2013
Aug 2013

120400 mi

US $2600
Injectors issues. 4 out of 6 injectors through out the code and needed to be replaced according to a dealer. 
Acura MDX in California, United States
Oct 2008 - Mar 2018
Nov 2008

48000 mi
Air leaks on both front doors/windows. Window seals and weather stripping pre-ordered and replaced. 
May 2011

75000 mi

US $180
Door lock actuators failed. Both front door lock actuators replaced. 
Feb 2018

148000 mi

US $300
Tire wear, so replaced gas pressure struts and aligned the front end. 
Acura MDX in Idaho, United States
May 2008 - Mar 2014
Nov 2013

66400 mi

US $818
Replace Side Engine Mount 
Acura MDX in Maryland, United States
Dec 2007 - Jun 2011
Jan 2008

31000 mi
Onstar computer failed. Replaced Onstar computer 
Acura MDX in Florida, United States
Jan 2008 - Jun 2010
Jun 2009

58000 mi
OnStar did not work - needed new OnStar Module  Installed OnStar module the next working day 
Sep 2009

60000 mi
SRS warning light on intermittently for 2 days - diagnostic code showed defective driver's side seat belt buckle - part ordered under warranty! New buckle installed. 
Oct 2009

60200 mi
OnStar did not work, was diagnosed, module defective, part ordered, and replaced a few days later - works fine now! 
Acura MDX in Washington, United States
Dec 2007 - Mar 2016
Mar 2016

215000 mi

US $300
Replaced ignition coil on one cylinder also put in 6 new spark plugs 
Acura MDX in New York, United States
Feb 2008 - Jun 2022
Jun 2012

96000 mi

US $600
Engine light came on and was pointing towards a faulty reading from the throttle body. Entire throttle body was replaced. 
Sep 2012

97000 mi

US $300
Radiator cracked and was replaced along with the thermostat. 
Jul 2015

110000 mi

US $400
Tensioner was replaced. Serpentine belt slipped. Main pulley was replaced along with belt. 
Oct 2015

111200 mi

US $275
Power steering pump very noisy and starting to decrease steering capabilities. 
Mar 2018

124000 mi

US $140
TPMS sensors were replaced after light would not go away on dash. 
Apr 2018

124000 mi

US $1200
Rear upper and lower control arms were replaced. Upper was replaced with adjustable arms to allow for proper future wheel alignments. 
Jun 2021

147670 mi

US $2000
Shocks and struts replaced on all 4 corners. 
Acura MDX in Ohio, United States
Nov 2008 - Jun 2011
Jul 2010

56000 mi
rust on hood (1/2 inch square) 
Acura MDX in California, United States
Dec 2007 - Jun 2022
Jan 2012

152200 mi

US $850
Major service including timing belt, water pump, fluids and 1 engine mount. 
Jan 2017

174000 mi

US $300
Canister 
Feb 2018

195000 mi

US $400
Valve adjustment 
Jul 2018

201000 mi

US $400
Accelerator sensor replaced. 
Acura MDX in South Carolina, United States
Apr 2009 - Dec 2009
Jun 2009

51000 mi
Fouth gear switch replaced for second time. Many warning lights when this switch failed, quite unsettling to see. Covered by Acura because of previous repair. 
Sep 2009

55000 mi
Torque converter replaced for second time. When it went out made a rattling/vibrating/groaning sound and would "lock up" in 4th gear, only to finally shift to third after dropping speed. Covered by Acura because of previous repair. 
Acura MDX in North Carolina, United States
Apr 2009 - Mar 2015
Jul 2010

127000 mi
srs light on, dealer replaced seatbelt. 
Acura MDX in Florida, United States
Nov 2010 - Jun 2012
Dec 2010

101000 mi
Transmission software update to address low-speed "juddering" Multiple cracked motor mounts 
Jan 2011

102000 mi

US $1850
Replaced cracked motor mounts identified in earlier report Tail light out - replaced bulb - 20 mins of labor 
May 2011

106000 mi

US $1037
Car was bouncing more than normal when driving over speed humps; replaced both front and rear struts and shock absorbers. 
Mar 2012

124000 mi

US $270
Transmission was getting a bit slippy/shuddery. Mechanic flushed/replaced fluids in Automatic Transmission, rear differential, and transfer case. 
Acura MDX in Maryland, United States
May 2010 - Jun 2018
Jun 2012

70000 mi

US $190
Replace shorted out power door lock actuator 
Jul 2012

70300 mi

US $375
Condenser fan replaced 
Sep 2015

99000 mi

US $130
Replace right rear window regulator 
Apr 2016

101500 mi

US $200
Oxygen sensor relay failed - presented as check engine and VTM-4 lights with DTC codes for o2 sensor problems. Dealer swapped with the horn relay and sent me on my way. 
Aug 2016

104900 mi

US $300
Bluetooth module failed. DIY replacement was straightforward. 
Mar 2017

110000 mi

US $200
Right rear TPMS sensor dead - required replacement 
May 2017

111000 mi

US $200
Front lower control arms replaced 
Mar 2018

117000 mi

US $80
Accessory belt tensioner and new belt 
Acura MDX in Missouri, United States
Dec 2010 - Jun 2012
Jan 2011

169000 mi

US $1200
replaced broken engine mount oil pan drain plug leaking (threads stripped). rethread and replace plug 
Acura MDX in Texas, United States
Mar 2014 - Mar 2018
Jun 2014

102000 mi

US $75
added refrigerant 
Aug 2014

103400 mi

US $275
failed window regulator 
Mar 2015

110000 mi

US $600
replace front struts added refrigerant 
Mar 2016

131000 mi

US $1400
replaced front half axle steering noise, shop diagnosed leaking steering rack so it was replaced. but pump is what is making the noise. 
Dec 2016

139000 mi

US $1000
Power steering pump Two electric door locks 
Nov 2017

146000 mi

US $800
Compressor replacement. 
Mar 2018

152000 mi

US $600
Blend door motor replacement. 
Acura MDX in California, United States
Mar 2012 - Mar 2013
Dec 2012

147000 mi

US $500
check engine light came. mechanic replaced three coils and spark plugs. 
Acura MDX in Pennsylvania, United States
Jan 2010 - Dec 2016
Feb 2010

83345 mi

US $300
replace outside temperature sensor, headlight 
Jul 2010

96000 mi

US $55
a/c register directional control knob broke  
Nov 2011

116000 mi

US $348
broken front motor mount 
Aug 2012

127300 mi

US $225
CV boot replaced 
May 2013

134000 mi

US $250
Intermittent wiper switch 
Acura MDX in Pennsylvania, United States
Feb 2010 - Apr 2011
Apr 2010

32000 mi
Air conditioning was blowing warm. Refrigerant leaked out of a loose fitting in the cooling system. Tightened fitting and recharged system. 
Acura MDX in Massachusetts, United States
Nov 2010 - Jun 2014
May 2014

84000 mi
S pipe replacement had an ac leak 
Acura MDX in Texas, United States
May 2009 - Sep 2018
Jun 2009

72000 mi

US $230
Interior door locks did not work. Using key or power switch. Replaced door lock actuator in drivers side door. This fixed problem. 
Dec 2010

96000 mi
Transmission software reflash 
May 2012

113800 mi

US $500
Power Steering Pump 
Nov 2016

159000 mi

US $299
Passenger side door lock was not operational. Using key or interior switch. Repaired at dealer. 
Acura MDX in Indiana, United States
May 2009 - Sep 2017
Dec 2009

82000 mi
torque converter 
Jan 2010

86000 mi
Torque converter needed replaced and gaskets associated with repair. 
Feb 2010

87000 mi
replaced backup camera 
Dec 2010

100000 mi

US $80
back up camera would not work back up camera stopped working again after a couple of weeks. the mechanic found a wire that was crimped and broken. tech soldered the wire and wrapped it so that it would work properly. Transmission had the software recall done that seemed to have fixed the problems that I had reported earlier. 
Dec 2014

173000 mi

US $1300
Leaking fluid and had water pump replaced. Replaced timing belt and did other maintenance while things were taken off. 
Mar 2016

202000 mi

US $450
Whining noise and burnt smell. Suggested replacing alternator and resealing power steering. Replaced alternator only and sound and smell have gone away. 
Nov 2016

217900 mi

US $450
Engine repair and maintenance 
Acura MDX in Michigan, United States
Aug 2009 - Mar 2010
Sep 2009

49000 mi

US $180
Torque converter slipping 
Acura MDX in Michigan, United States
Nov 2009 - Mar 2016
May 2012

95300 mi

US $900
transmission cooler went out, spilled all fluid. 
Mar 2013

108000 mi

US $4800
Complete engine failure 
Acura MDX in California, United States
Aug 2011 - Jun 2018
May 2012

72000 mi

US $400
Short in seatbelt buckle, driver seat. Buckle assembly had to be replaced. Indicated by airbag warning light. 
Jun 2012

73000 mi
Engine was slow to start 
Jul 2014

99200 mi

US $1000
Burned out interior dome light Driver door lock actuator failed, security system would not activate. 
Sep 2014

100000 mi
Rear driver side door lock actuator intermittant failure. Dealer unable to reproduce. 
Apr 2015

113700 mi

US $2400
Dealer reported mini-axle boots in need of replacement. My trusted mechanic says they can wait. They're starting to show crack lines, but they're holding. 
Apr 2016

127000 mi

US $250
Door lock actuator failure 
Dec 2016

139000 mi

US $250
Minor noise observed from power steering. Failing O-ring was to blame, causing vibration. O-ring replaced. 
Sep 2017

149000 mi

US $200
Battery failure, again. 4th battery in the past 6 years - when a battery has to be replaced this frequently, this could be another electrical issue. Shop suggested alternator, but alternator is testing fine. Automatic window, right rear - window raising/lowering apparatus had to be replaced 
Jun 2018

160 mi
Multiple cylinder misfires. Dealer could not reproduce, but replaced coil as the likely source of the problem. Cracked cylinder, and oil leak. Repair estimate $3500 

Return to top

See TrueDelta's information for all SUVs
See TrueDelta's information for all Acura models.

2005 Acura MDX Repair Histories

See our lemon odds and nada odds page to see vehicles with no repairs or vehicles with more than three repairs. To see how frequently 2005 Acura MDX problems occur, check out our car reliability stats.