Infiniti QX4 Infiniti QX4

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Expensive Infiniti QX4 repairs by problem area

Engine (48%)

Transmission and Drivetrain (13%)

Brakes and Traction Control (5%)

Suspension and Steering (20%)

Electrical and Air Conditioning (10%)

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

Other (3%)

Chart based on 40 repairs.
See TSBs and recalls for the Infiniti QX4.

Infiniti QX4 repair cost distribution

$2500+ (17%)

$1000 - $2499 (83%)

$500 - $999 (0%)

$100 - $499 (0%)

< $100 (0%)

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

Chart based on 24 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.

2003 Infiniti QX4 4dr SUV

240-horsepower 3.5L V6 4-speed automatic 4WD w/low range

201000 mi

US $355
ABS sensor/ master cylinder 
206000 mi

US $1000
Can't find reason for over heating. Replaced, water pump, radiator, front and rear thermostats,hoses, antifreeze: All twice. The only thing I can think of are the CATS. 
206000 mi

US $600
Love the vehicle, but no one can find why it's overheating, so it sits in my driveway. 
110980 mi

C $400
O2 sensor exhaust sway bars 

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2002 Infiniti QX4

Engine not specified

197000 mi

US $1800
Replaced broken spring and strut 
187000 mi

US $2100
Valve cover gaskets leaking oil. 

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2002 Infiniti QX4 4dr SUV

240-horsepower 3.5L V6 4-speed automatic RWD

110000 mi

US $3000
Bushing 02 and Camrod sensors 

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2002 Infiniti QX4 4dr SUV

240-horsepower 3.5L V6 4-speed automatic 4WD w/low range

76000 mi

US $125
Controller module for the fan went bad. I diagnosed the problem and replaced the component. 
88700 mi

US $150
bad 02 sensor - was replaced 
110000 mi

US $250
wheel bearings replaced (3). 
123300 mi

US $1254
Major AC repair,replacement 
125100 mi

US $870
Shocks and struts. 
145000 mi

US $200
cooling system... The engine continues to over heat. Problem not fixed. 

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2001 Infiniti QX4

Engine not specified

236880 mi

¤700
Changed a/c compressor. This car needs an a new compressor every other year or so. Even when maintained at the dealer's, it had this recurring problem 
247380 mi

¤1000
This car is falling apart but is still going, although very slowly. Had to replace radiator, a few pipes, filters but it’s getting expensive to keep this car running. It guzzles too much gas and hardly can accelerate. Needs a new engine, maybe. 

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2001 Infiniti QX4 4dr SUV

240-horsepower 3.5L V6 4-speed automatic 4WD w/low range

125000 mi

US $5000
Engine is just screwed up. Couldn't find the problem. 
191000 mi

US $1535
lf caliper frozen; rf caliper bracket frozen front and rear mufflers rusted; both replaced 
207400 mi

US $600
CV joint boots had cracked; replaced CV joints, which is cheaper than rebuilding them left front shock tower had disintegrated from rust, threatening total failure and damaging the power steering system; received recall notice while QX4 was in shop, but Infiniti dealer said that they would scrap car and "make it up to me" Upper radiator housing broke 
214200 mi

US $1600
alternator replaced with remanufactured unit the rear axle was loose: its position with respect to the frame was not stable; both radius arms and both swinging links [the four components locating the rear axle] were replaced, as were both rear shock absorbers 
217200 mi

US $900
O2 sensors 
67000 mi

US $120
Code 1140 & 1145 crankshaft timing sensors, both replaced by owner and cleared codes with new code reader.PEEEERFECT!!! 
82000 mi

US $300
passenger window motor and regulator replaced code p0174-replaced maf sensor 
88000 mi

US $285
muffler replaced 
93000 mi

US $1700
shocks, struts, wheel bearings, races, rotors, pads, bushings All front end work except rear shocks. 
103000 mi

US $125
Replaced 2 belts as worn out finally. 
92360 mi

C $1500
suspension sway bar bushings gone 
95480 mi

C $150
exhaust flex pipe was leaking 
97960 mi

C $300
front driver side caliper failed helper side rear shock failed--replaced both rear shocks 
101680 mi

C $500
MASS AIR FLOW FAILURE 
88000 mi

US $1488
Needed new front struts 
99800 mi

US $1500
Coil packs replaced on all cylinders, also fuel mixing sensor replaced. Battery was replaced. 
141000 mi

US $140
11 month old battery bought from Les Schwaub was bad. Didn't want another battery from them so purchased one from the dealer. 
132500 mi

US $1350
Front axles and cv joints were replaced. 
153000 mi

US $2200
Rear main seal was replaced 
60000 mi

US $1100
Erratic engine ignition: misfiring Erratic engine ignition: misfiring 
114000 mi

US $100
Heat shield had to be removed. Consistent noise. Had it done twice. Second time successful. Also I needed new tires asap. 200 a piece. Rear muffler had to be replaced. Also a repair was done for Infinity qx4 due to recall. 
127200 mi

US $1100
The car had a grinding sound on the front wheels, I stop driving it because the braked probably needed to be replaced. When I took the car in to the mechanic he stated that both calipers in the front needed to be replaced. Both replaced. 
140000 mi

US $1400
Replaced pipe in the back. Work done on front wheel and a few other things. Still need more work done. Some times car may be hesitant in the mornings. I will fix that as well. I am looking to replace car/keep and for winter driving. 
142500 mi

US $600
I was told by 2 mechanics that I may need a transmission so I took it to the dealer for a third opinion. Replaced both front 02 sensors and rechecked, checked fuel system lean B1 and front 02 sensors were not working off idle and was slow. 
138000 mi

US $1000
Fixed 2 codes. TSB. Replaced vehicle Canister, has a crack in it. 

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2001 Infiniti QX4 4-door

6-cylinder automatic 4WD

146000 mi

US $300
SUV was stalling during long trips in hot weather. Very intermittant - once every couple of weeks and unable to reproduce at dealers shop every time it was brought in. 
146000 mi

US $1550
The intermittant starting/stalling become more consistent and eventually all the time. The problem was a leak in the cooling lines of the throttle body. However, the repair affected the engine computer, which needed to be replaced (with used one). 

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2000 Infiniti QX4 4dr SUV

170-horsepower 3.3L V6 4-speed automatic 4WD w/low range

103000 mi

US $1100
Intake manifold gasket, hoses. Distributor replaced; new distributor died after 300 miles; replaced again. 
132000 mi

US $475
Suspension was bouncy - replaced front struts and mounts as well as rear shocks 
134000 mi

US $475
The distributor malfunctioned when the engine was warm.  
204000 mi

US $1100
Bad coil (I think?) in electronic distributor required replacement of complete distributor 
205000 mi

US $600
At speed, rear end wobbled. Replaced bushings in trailing arms and sway bars. Replaced harmonic balance pulley. 
225700 mi

US $385
Ignition core replaced - included new ignition keys and a valet key. 
143000 mi

US $1000
Compressor clutch went out, 1060 to replace it, along with an oil change. Stabilizer link replaced on driver's side. Bad clunking every time car went over a bump. 
150000 mi

US $350
light pigtail needed to be replaced, again. Also, turn signals stopped working, $80 flasher unit behind dash needed to be replaced. 
164600 mi

US $200
Headlight wiring repair. 
171000 mi

US $850
Car stalled. Goodyear replaced both O2 sensors then did a major tune-up. Car still ran rough, we are living with it. 

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1998 Infiniti QX4 4-door

6-cylinder automatic 4WD

191000 mi

US $690
Front Rotors and pads / Back shoes and drums. 
198000 mi

US $1300
Cv axles Sealed whole transmission 

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1998 Infiniti QX4 4-door

4-cylinder automatic 4WD

191000 mi

US $5000
Routine maintenance by mechanic revealed complete failure/break in front apron frame due to premature rusting. Conjecture that it is related to recall of fuel lines (nsf undercoating) on 97-2001 models. Pathfinders have same. Total Loss: $5000. 

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Infiniti QX4 Expensive Problems

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