| 1 | 0 | 3 | 4 | 3 | 4 |
Expensive Infiniti M repairs by problem area
Engine (33%)
Transmission and Drivetrain (6%)
Brakes and Traction Control (9%)
Suspension and Steering (32%)
Electrical and Air Conditioning (14%)
Paint, Rust, Leaks, Rattles, and Trim (3%)
Other (3%)
Chart based on 69 repairs.
Infiniti M repair cost distribution
$2500+ (18%)
$1000 - $2499 (82%)
$500 - $999 (0%)
$100 - $499 (0%)
< $100 (0%)
Chart based on 55 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.
2013 Infiniti M 4dr Sedan
330-horsepower 3.7L V6 7-speed shiftable automatic RWD
| 56000 mi US $8000 |
Rear wheel steering motor failed. |
2012 Infiniti M
Engine not specified
| 84000 mi US $1850 |
Went in for an idle issue on cold start. They changed the 12v hybrid battery. Did not solve the issue. AC Compressor was making some serious noise. Dealer found that part of the compressor "disintegrated" (their words), sending little metal shards all over. This was causing the noise, and required replacing the compressor, then doing a couple of evacuation procedures to get the metal out. |
2012 Infiniti M 4dr Sedan
420-horsepower 5.6L V8 7-speed shiftable automatic AWD
| 44020 mi C $1500 |
change brakes & rotors |
2011 Infiniti M 4dr Sedan
420-horsepower 5.6L V8 7-speed shiftable automatic RWD
| 83000 mi US $1800 |
Driver's side catalytic converter replaced. |
| 85000 mi US $800 |
Replaced fuel pump |
2011 Infiniti M 4dr Sedan
420-horsepower 5.6L V8 7-speed shiftable automatic AWD
| 67000 mi US $100 |
Interior lights would not turn on when door was open. Dealer replaced BCM, main dash harness, dash sub harness, and part of the CANBUS system (plug melted). |
| 111626 mi US $170 |
HID ballast replacement due to flickering driver side ballast. Replaced passenger side at the same time due to having the bumper already removed, etc. |
| 121901 mi US $211 |
Replaced OEM (as far as known) AC condenser with aftermarket unit due to rock chip damaging bottom right corner and causing leak. |
| 127250 mi US $182 |
Oxygen Sensor Replacement |
| 131153 mi US $2077 |
Power Steering/Rack & Pinion Replacement |
| 136200 mi US $200 |
Just the welding of my mufflers as the pipe leading to them rusted and snapped. |
| 138650 mi US $146 |
Replaced aftermarket AC Condenser that lasted 3 years with UAC unit |
| 80000 mi US $3800 |
Bad sensor on camshaft |
2011 Infiniti M 4dr Sedan
330-horsepower 3.7L V6 7-speed shiftable automatic AWD
| 94000 mi US $1100 |
wheel bearing power steering hose failed had to get it from Japan. |
2010 Infiniti M 4dr Sedan
303-horsepower 3.5L V6 5-speed shiftable automatic AWD
| 40 mi US $40500 |
automatic tire pressure monitoring gauge. |
| 51000 mi US $650 |
Needed to replace A/C fan and thermostat |
2008 Infiniti M 4dr Sedan
325-horsepower 4.5L V8 5-speed shiftable automatic RWD
| 62700 mi US $2900 |
Replace rear shocks |
| 125000 mi US $1100 |
Replaced the y-pipe |
2008 Infiniti M 4dr Sedan
275-horsepower 3.5L V6 5-speed shiftable automatic AWD
| 75640 mi C $1400 |
Replaced intelligent power control module. |
2007 Infiniti M 4dr Sedan
325-horsepower 4.5L V8 5-speed shiftable automatic RWD
| 76000 mi US $280 |
Front wheel bearing hubs noisy, replaced under Elite extended warranty. |
| 86000 mi US $100 |
Sunroof motor replaced. Two TPMS sensors replaced. |
| 82000 mi US $100 |
Water was leaking into one headlight, replaced under extended warranty. |
| 113500 mi US $300 |
replaced perished stabilizer links. |
| 108800 mi US $250 |
Replaced worn outer tie rod ends. |
| 140000 mi US $700 |
Inner tie rod end bushings replaced. |
| 146000 mi US $2300 |
Replaced valve covers and gaskets; replaced tensioner pulley and drive belt. |
| 150000 mi US $1700 |
Replaced steering rack. |
2007 Infiniti M 4dr Sedan
275-horsepower 3.5L V6 5-speed shiftable automatic RWD
| 72400 mi US $275 |
Leaky valve cover gaskets |
| 91000 mi US $800 |
Radiator leak and hose leaks |
| 98000 mi US $2000 |
Replaced bulb and ballast |
| 89700 mi US $500 |
Vent control valve needed to be replaced in the emission system |
| 104800 mi US $1400 |
Replaced Valve Cover Gasket, Lower Oil Pan Gasket, Drive Belt |
| 111000 mi US $1100 |
Thermostat failed and hence made the radiator fail |
| 33000 mi US $594 |
right front lower control arm failed internally. replaces right front lower control arm |
| 44700 mi US $2313 |
Replaced front struts/shocks. Replaced rear strut mounts and struts assy. |
2007 Infiniti M 4dr Sedan
275-horsepower 3.5L V6 5-speed shiftable automatic AWD
| 144900 mi US $2600 |
Front and rear struts, only $600 installed. Needed new catalytic converters, originals rusted. Decided to replace entire exhaust and intake with aftermarket. |
| 77000 mi US $253 |
whine in final drive (rear end differential) gears loud and getting worse, factory paid cost of replacement unit less labor, car was 5,274 miles out of warranty. |
| 128000 mi US $975 |
Frozen right rear brake caliper. Replace caliper, replace brake pads on both sides and turn rotors. 816 for caliper, 159 for rest of brake work. |
| 164000 mi US $1000 |
left bank catalyst was starting to plug up, set code and lit "service engine soon" indicator. Replaced catalyst, car runs fine now. |
| 172000 mi US $2000 |
power brake booster and master cylinder right front wheel bearing and hub |
| 190700 mi US $750 |
Radiator tank ruptured requiring replacement of Radiator. |
| 196400 mi US $475 |
Front hub and bearing wore out, replaced with new. Front CV joint failed, replaced joint and shaft. |
| 46000 mi US $1880 |
replace steering rack |
| 75000 mi US $650 |
Install aftermarket radiator |
| 84000 mi US $300 |
Replace driver door lock actuator |
| 93000 mi US $400 |
CD player jammed |
| 108000 mi US $1300 |
valve cover leaking oil; required replacement valve cover |
2006 Infiniti M 4dr Sedan
335-horsepower 4.5L V8 5-speed shiftable automatic RWD
| 83000 mi US $950 |
A steel rail in the seat mechanism broke and the bearings failed in the driver's seat. Seat would rock forward upon braking and made popping sound when adjusting seat. |
| 104500 mi US $500 |
Moonroof continues to have unpredictable leaks during heaviest rains or car washes. |
| 104200 mi US $498 |
Heated and cooled front seats no longer work. Did not get this done at the time, due to length of time it was taking to make other repairs. Rubber window seal on driver's side has broken loose and actually pulls out of the door when window goes up. Tire pressure monitors on both back wheels failed. |
| 110000 mi US $1600 |
Clear coat paint pealed from hood to trunk over last 2 year period. Rims also faded, lost original color. |
| 112000 mi US $140 |
Over time, the navigation display showed something looking like scratches across the screen. Finally, the display began to darken. While at Infiniti, the dealer stated the cost to replace the display would be approximately $1,800 plus tax. I found a used unit on eBay and installed myself. Works perfectly now. |
| 114000 mi US $450 |
Entire braking apparatus had to be replaced on driver's side, back wheel. Replaced brake fluid hose, pads, rotar, and other related park. Car was actually shaking when moving, making loud sounds. Temperature of rotar exceeded 200 F after braking. |
| 87420 mi C $350 |
replaced right front wheel bearing |
| 89900 mi C $3000 |
Ball joints and tie rod. |
| 78000 mi US $299 |
3 computer sensors were apparently rusty and not making contact |
| 121300 mi US $1436 |
replacement of front strut assemblies |
| 125000 mi US $650 |
worn left front wheel bearing |
| 141000 mi US $2025 |
replaced leaking hoses and power steering pump |
| 124000 mi US $500 |
Had rear pinion seal replaced Fuel valve was faulty and had to be replaced. |
| 182000 mi US $1500 |
Loud noise on Driver side front tire area. Noise around 35 mph. Wheel Bearing assembly replaced on Front Driver side wheel. |
| 183000 mi US $4000 |
Rear Differential Gearbox failing. |
| 218000 mi US $300 |
Radiator Fan was cycling on high and it was louder than normal, no warning lights on in the car. Had control unit replaced. This allows fan to cycle to low or high fan. |
| 220000 mi US $1400 |
Had to replace one of the Catalytic Converters. |
| 223000 mi US $600 |
Wheel Bearing noise |
| 269000 mi US $1300 |
Emissions system. Replaced 2nd catalytic converter. |
| 283000 mi US $290 |
Front brake vibration. Rotors were machined Lug nut studs broke off wheel and they had to be replaced. Previously I had a tire shop break one when they (overtightened)rotated my tires. This time I went to get them rotated again and they said two studs were gone went the went to take the tire off. |
| 286000 mi US $1900 |
Radiator, water pump, belts, coolant and oil replaced. |
| 286000 mi US $640 |
Oil leaking, Strong burn odor in car cabin. Passenger side seal around rearmost spark plug defective allowing oil to build up in spark plug tube. Replaced Passenger side valve cover with new gasket to resolve. |
| 296000 mi US $336 |
Headlamp bulb blown out and replaced |
| 297000 mi US $650 |
Bushing replaced on front suspension Power steering leaks repaired on pump |
| 68000 mi US $1200 |
Air conditioning unit stopped working. Compressor replaced. |
| 83000 mi US $2100 |
Two sensors and the catalytic converter had to be replaced after having to be towed twice. Being stranded on the freeway in the HOV lane got our attention - I ordered a 2012 BMW 328i today. Expect delivery in 8 weeks. |
| 95000 mi US $1000 |
Overheating - radiator replaced |
| 62000 mi US $1400 |
Tighten parking brake cable Need to replace rear pads and rotors |
2006 Infiniti M 4dr Sedan
280-horsepower 3.5L V6 5-speed shiftable automatic RWD
| 56000 mi US $1500 |
drivers seat assembly needs to be replaced. Approx cost $1500. Seat is loose upon starting/stoping. |
| 84700 mi US $1200 |
The seat rail under the driver's seat broke. This is apparently a know problem but Infiniti did not undertake a recall. |
| 125800 mi US $330 |
Replaced cracked radiator |
| 95000 mi US $340 |
Front driver wheel bearing and hub replaced. |
| 112000 mi US $345 |
Needed another front hub assembly this time on front passenger side, they also replaced under warranty the front driver hub as well that was repaired in Nov 2008 under inservice warranty. |
| 137000 mi US $105 |
Right rear axle needed to be lubed, shaft taken out , lubed and reinstalled... |
| 149000 mi US $100 |
Front headlight had condensation, took to shop to have it cleaned and repaired... |
| 159000 mi US $368 |
replaced spark plugs, oil leak at engine cooler both fixed |
| 180000 mi US $500 |
Heard a gurgurling noise from engine air was in coolant, had coolant changed and refilled. Corrected problem. |
| 195000 mi US $710 |
all tie-rod ends needed to be replaced due to being worn |
| 213000 mi US $850 |
replaced right side converter |
| 222300 mi US $300 |
Car stereo went out for repair, |
| 233500 mi US $1000 |
replaced front struts front wheel hub assemby needed to be repaird |
| 236000 mi US $100 |
Had to replace 2 ignition coils and spark plugs |
| 72800 mi US $500 |
Bad starter replaced. |
| 89000 mi US $225 |
Camshaft position sensor in the left bank failed and had to be replaced. |
| 90000 mi US $400 |
Oil leak at the oil pump, fixed with new o-ring and reassembly. |
| 98000 mi US $3150 |
Radiator replaced due to a crack Engine belts replaced Trim on passenger door was detached from pillar |
| 103000 mi US $575 |
Cooling fan motor replacement. |
| 70000 mi US $525 |
Bad camshaft position sensor causing car to stall. This is the second time for one of the sensors to fail (there are 2). Mechanic replaced 3 sensors in all to ensure safe operation. |
| 136000 mi US $2000 |
Coolant Leaks Real axle clicking, had it greased |
| 154000 mi US $600 |
intake hose belts |
| 86300 mi US $700 |
Front Brakes (1st replacement). Shocks & Struts(One of Rear Shocks Leaking), Front Struts a Little Noisy. |
| 88000 mi US $260 |
Rear drive hub/bearing assembly both sides. |
| 108000 mi US $1200 |
Replace AC Compressor, flush, recharge |
| 81000 mi US $1400 |
Brake caliper froze and caused one brake to stay on. Dealer replaced caliper and brakes. |
| 113000 mi US $1236 |
AC compressor clutch failed. Replaced AC compressor. |
| 100500 mi US $1300 |
AC compressor |
2006 Infiniti M 4dr Sedan
280-horsepower 3.5L V6 5-speed shiftable automatic AWD
| 65000 mi US $1100 |
Rear cross-member disc-mount ruptured (resulting in lubricant covering the whole part). Problem was discovered by finding new drops of an oily substance on the owner's garage floor, under the rear of the car. New cross-member installed as solution. |
| 44004 mi US $133 |
Replaced battery |
| 59885 mi US $1006 |
Thermostat replacment |
| 72840 mi US $700 |
Parking brake shoes replaced Control arm replacement |
| 85000 mi US $1613 |
AC was not cooling. Compressor was replaced. |
| 85300 mi US $500 |
Parking brake assembly on left rear failed resulting in car not being drivable |
| 105000 mi US $443 |
Replaced defective camshaft position sensor |
| 56000 mi US $963 |
Front wheel bearings needed replacment |
| 56000 mi US $1500 |
Needed new struts/shocks all around |
| 77000 mi US $429 |
Replaced 2 belts |
| 86000 mi US $1776 |
The driver's seat frame broke, $1,273. The four window switch on driver's side, one of the switches broke. They had replace the whole thing; $503, expensive!! |
| 93000 mi US $404 |
Left front wheel bearings replaced. |
| 97000 mi US $300 |
Cigarette lighter pulled out-electrical contacts broken. TPMS stopped working for front passenger tire |
| 103000 mi US $800 |
Valve Gaskets Leaking-When opened found plastic valve cover lost metal plug-leaking oil into a cylinder. Replaced both valve covers (from E-Bay OEM parts 1/2 Cost from dealer) and gaskets. The Infiniti dealer wanted $1400.00 just to replace the valve gaskets. Gawd knows what they'd have charged with the defective valve cover found if my neighborhood mechanic hadn't have done it. Dealer prices are nutz!!! |
| 114740 mi C $1200 |
Both front wheel bearings muffler disconnected from exhaust |
| 108500 mi C $250 |
replaced tie rod. steering rack is also leaking a bit, but left it for now. |
| 120900 mi C $850 |
Passenger Door actuator failed- door was locked shut and would not open. |
| 132680 mi C $130 |
reweld a separated flange in the exhaust system |
| 133300 mi C $123 |
Exhaust broke in another spot, at front flanges. Pins remained and were effective to keep the exhaust from falling to the ground, but noisy. Exhaust welded. |
| 66000 mi US $2100 |
Faulty valve body in the transmission. Alerted with a Service Engine Soon light. Acceleration was occasionally erratic and SLIP light would illuminate. |
| 122760 mi C $5000 |
Front driveshaft u-joint was wornout. Replaced with a used driveshaft. The u-joint is not replaceable and dealer wanted $1200 for new driveshaft. |
| 129580 mi C $4500 |
Front right wheel bearing |
| 157480 mi C $150 |
Drivers side rear caliper was seized |
| 163380 mi C $1200 |
Replace blocked heater core. |
| 189720 mi C $120 |
Replace passenger rear wheel bearing |
| 202740 mi C $2000 |
Rack and pinion leaking..replaced with used Replaced abs pump with used part |
| 128000 mi US $900 |
Both outside rear view mirrors replaced - stripped gears noted earlier. |
| 174000 mi US $1200 |
Replace front left tie rod Entire exhaust replaced |
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