2008 Infiniti M Infiniti M 2008

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2008 Infiniti M repairs by problem area

Engine (21%)

Transmission and Drivetrain (7%)

Brakes and Traction Control (2%)

Suspension and Steering (21%)

Electrical and Air Conditioning (16%)

Paint, Rust, Leaks, Rattles, and Trim (30%)

Other (2%)

Chart based on 56 repairs.
See TSBs and recalls for the 2008 Infiniti M.

2008 Infiniti M repair cost distribution

$2500+ (2%)

$1000 - $2499 (4%)

$500 - $999 (13%)

$100 - $499 (21%)

< $100 (60%)

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

Chart based on 48 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.

2008 Infiniti M

Engine not specified

Infiniti M in West Virginia, United States
Nov 2010 - Jan 2011
Jan 2011

24000 mi
wood trim on all 4 doors 

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2008 Infiniti M 4dr Sedan

325-horsepower 4.5L V8 5-speed shiftable automatic RWD

Infiniti M in Florida, United States
Nov 2009 - Mar 2010
Jun 2009

14000 mi
door panels wood trim glue defective 
Jan 2010 left resting foot pedal rubber stip came off and wood trim on door 
Infiniti M in Maryland, United States
Nov 2016 - Jul 2018
Dec 2016

125000 mi

US $1100
Replaced the y-pipe 
Infiniti M in California, United States
May 2008 - Jul 2010
May 2008

11 mi
Replaced heated/ventilated front seat controls because they weren't working. 
Infiniti M in Texas, United States
Jan 2011 - Jan 2014
Jul 2013

62700 mi

US $2900
Replace rear shocks 

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2008 Infiniti M 4dr Sedan

325-horsepower 4.5L V8 5-speed shiftable automatic AWD

Infiniti M in Virginia, United States
Apr 2014 - Jan 2017
Oct 2014

69800 mi

US $400
Radiator ruptured at lower plastic/metal interface 
Jan 2015

74700 mi

US $350
Started died. Replaced with remanufactured unit. $140 parts, $180 labor (2hrs due to AWD system making it difficult to access starter) 
May 2015

78000 mi

US $50
Failed wheel bearing, likely from pothole. 
Oct 2015

83200 mi

US $450
Failed front drive shaft U-join. Non-serviceable. Replaced driveshaft with aftermarket unit. 

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2008 Infiniti M 4dr Sedan

275-horsepower 3.5L V6 5-speed shiftable automatic RWD

Infiniti M in California, United States
Jan 2012 - Jun 2018
Feb 2012

25000 mi
Repaired a short in the TCU (transmission control unit) connector. Codes were then cleared and tested. 
Mar 2016

59000 mi
AC not blowing cold. Shop diagnosed and replaced faulty intake sensor in evap case. 
Infiniti M in Florida, United States
Mar 2009 - Apr 2011
Sep 2010

46000 mi
Wood trim on doors came off due to high heat in Florida. Infiniti is aware of the problem and had to order new trim with different glue/epoxy. They replaced 3 of 4 panels 
Infiniti M in Texas, United States
Apr 2013 - Jun 2018
May 2013

74500 mi
Car would go into reverse but would not engage. Engine rev'd. Took to dealer and informed that the transmission needed to be replaced. 
Infiniti M in California, United States
Sep 2014 - Aug 2019
Apr 2017

130000 mi

US $445
Replaced rear shocks 
May 2018

143000 mi

US $600
Oil seal leak, flooded and damaged starter. Replaced starter and seal. 
Infiniti M in Georgia, United States
- Feb 2009
Feb 2009

3150 mi
Warranty Replacement of Rear View Mirror for vibrating/buzzing at highway speeds. 
Infiniti M in Mississippi, United States
May 2011 - Oct 2015
May 2011

26600 mi

US $687
Routine Service, Brakes, Replaced wood trim on all 4 doors (under warranty) 
Feb 2012

34700 mi
Rattle from passenger rear wheel well. Replaced Shock Assembly/Bushings. 
Apr 2012

35500 mi

US $127
Driver side floorboard carpet was damp. Front sunroof drain hoses were clogged. All drain hoses cleaned and wind deflector was sealed. 
Jan 2013

35800 mi
Rattle from driver's side wheel well. Replaced Shock Assembly/Bushings. 
Infiniti M in Pennsylvania, United States
Dec 2011 - Jun 2018
Aug 2016

71400 mi

US $125
We are experiencing severe engine knock (pre-detonation). Unfortunately no repair was able...car still knocks under load. 
Jan 2017

80000 mi

US $500
Knocking continued with the vehicle. Dealer cleaned the fuel system. Problem mitigated (80 percent improvement). 
Infiniti M in North Carolina, United States
Aug 2011 - Apr 2017
Sep 2011

39000 mi
Accelerator issue. Car would not accelerate. Car was towed to dealer and problem was fixed under warranty. 
Oct 2011

41000 mi
Constant rattle in the trunk. Dealer suspected rear strut. Replaced right rear strut. 
Infiniti M in Alabama, United States
Apr 2009 - Mar 2010
May 2009

15000 mi

US $80
7 times in the shop for the same repeat rattles. Nav system was repaired after the 3rd trip to the shop 
Infiniti M in North Carolina, United States
Mar 2009 - Dec 2017
Jul 2011

45000 mi
Tire pressure sensor malfunctioned. Dealer replaced 
Infiniti M in Texas, United States
Sep 2009 - Jun 2011
Dec 2009

22000 mi
wood panel inserts were peeling - replaced them on all four doors 
Infiniti M in Washington, United States
Mar 2009 - Mar 2015
Jul 2010

28000 mi
Wood trim veneer on 3 doors got unglued. The dealer replaced all trim pieces with new ones for no charge. 
Apr 2014

60200 mi
Problems starting and rough idle. 
May 2014

61400 mi

US $560
Relay had to be replaced to enable the engine cooling fan to work properly. Also fixed problems starting and rough idle. 

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2008 Infiniti M 4dr Sedan

275-horsepower 3.5L V6 5-speed shiftable automatic AWD

Infiniti M in New York, United States
Sep 2011 - Apr 2012
Feb 2012

68600 mi
Memory button would not remember seat position. Replaced memory. 
Infiniti M in Texas, United States
Mar 2010 - Jun 2014
May 2010

40000 mi
Wood trim peeling from inside of rear doors. 
May 2013

85100 mi

US $300
Differential pinion seal leaking 
Infiniti M in Pennsylvania, United States
Aug 2010 - Jun 2011
Oct 2010

19000 mi
passenger mirror did not return to correct position, part ordered, still waiting 6 weeks later. front doors wood trim came unglued 
Infiniti M in Kentucky, United States
- Mar 2010
Mar 2010

27600 mi
Wood trim was peeling on driver side and passenger side front doors 
Infiniti M in New York, United States
Mar 2009 - Nov 2017
Feb 2009

8000 mi
Interactive Cruise COntrol does not sense a vehicle in front of my car within the warning zone. Car does not slow down. Repair was not corrected. Scheduled for followup repair in 3 days. 
Oct 2009

15000 mi

US $350
Something to do with the mounting screws for the transmission 
Apr 2012

40000 mi
Tie rods either had to be adjusted or replaced. 
May 2013

52000 mi
Went in for oil change and dealer found leaking manifold cover. Repair was made under the extended warranty I have on the car with no deductible. 
Feb 2016

74600 mi
The vaccum controller or something like that was bad. It was replaced for free under y extended warranty. Usual cost would have been about $700. 
Infiniti M in New York, United States
May 2016 - Aug 2016
Jun 2016

110000 mi

US $150
SRS system passenger occupancy sensor replaced 
Infiniti M in Ontario, Canada
Aug 2015 - Dec 2021
Nov 2015

87420 mi

C $800
Failed left front strut. Replaced all struts/shocks. 2 front with O.E.M, (as that's all that is available), and 2 rear with KYB. 
Nov 2016

96600 mi

C $35
Hood struts struggling to hold hood open in colder weather.Ordered parts online and replaced myself. Very easy repair on the cheap. 
Mar 2017

99200 mi

C $100
Replaced front left hub assembly as wheel bearing had failed. 
Infiniti M in New Hampshire, United States
Mar 2010 - Dec 2011
Jul 2011

41700 mi
Main window switch went bad. No windows would go up or down. Passenger window stuck in down position. 
Sep 2011

44000 mi
Wood trim on door replaced due to peeling.they replaced the wood on all 4 doors as a preventive measure since this is a problem with the car. It should be noted that Infiniti extended the warranty of the wood trim due to common problem 
Infiniti M in Florida, United States
Sep 2013 - Jan 2014
Jan 2014

US $600
System had a throttle sensor failure, the throttle sensor was replaced. Car displayed Service Engine Soon light, followed by TCA OFF light and the SLIP light. With the 3 lights on, the max RPM was 1500 RPM and max speed 5 Mph. 
Infiniti M in Ontario, Canada
Mar 2011 - Mar 2018
Oct 2012

11260 mi
had woodtrim replaced on doors, didn't match dash anymore but did replace the door trim 
Jan 2014

12180 mi
Interior wood door trims available again 
Infiniti M in Quebec, Canada
Apr 2014 - Mar 2016
Mar 2015

75640 mi

C $1400
Replaced intelligent power control module. 
Infiniti M in Maryland, United States
Mar 2010 - Nov 2015
Jan 2010

10000 mi
Car has been back to dealer no less than 7 or 8 times for the same rattle in the rear passenger side wheel well. During multiple trips dealer replaced shocks and bushing on both sides - but the rattle is still there. VERY FRUSTRATING. 
Jan 2011

10000 mi
Replaced door trim under warranty 
Sep 2013

66000 mi
Continued cluncking in right rear. Dealer replace right rear shock / strut. Problem still exists. 
Nov 2015

94000 mi
Replacing rear shocks earlier. Although it did not completely solve the problem, it was less bothersome and I learned to live with it. 

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2008 Infiniti M 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 2008 Infiniti M problems occur, check out our car reliability stats.