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2004 Infiniti FX Repair Histories

74 TrueDelta members own (or used to own) a 2004 Infiniti FX. 31 of these members (41.9%) have reported repairs for their car. A total of 126 repairs to 2004 Infiniti FXs--an average of 1.7 per vehicle--have been reported.

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 2004 Infiniti FX problems occur, check out our car reliability stats.

Percentage of 2004 Infiniti FX repairs by problem area

Chart based on 126 repairs.

2004 Infiniti FX repair cost distribution

Chart based on 53 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.
Non-members can see only ten 2004 Infiniti FX repair histories. Log in or join us to see them all.

2004 Infiniti FX 4dr SUV

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

Infiniti FX in Florida, United States
Mar 2007 - Dec 2013
68000 mi US $375 Replaced the actuators/motors in the side mirrors because they had siezed up 
77000   Rear Breaks and looked at passenger door lock that does not work all the time 
86000   Had passenger door lock repaired 
120000   Drivers door lock  
135000   Replaced front strut assemblies, they were very noisy 
142300   Leaking valve covers 

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2004 Infiniti FX 4dr SUV

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

Infiniti FX in California, United States
Dec 2010 - Mar 2015
90000 mi   Repaired dashboard bubbling. 
91000   Lower radiator hose replacement, coolant, flush and cleaning; new radiator cap  
103000 US $20 Dirty throttle body 
112000   Radiator cracked and needed to be replaced. 
112000   Throttle body was dirty and caused car to idle rough and brought up a check engine light. Removed throttle body and intake plenum and cleaned thoroughly with carburetor cleaner. Idle has smoothed out and CEL went away after a few days. 
115300   Replacement radiator developed a pinhole leak and dumped all of the coolant. 
117000   Driver's handle snapped off in my hand. Ordered replacement handle from ebay and tried to fix it myself, but took it to a locksmith after I attempted to fix it myself and messed things up even further. 
123000   Door handle problems again. 
146700   Cam shaft and crank sensors replaced. Engine would stall randomly. 
Infiniti FX in Texas, United States
Jun 2010 - Jun 2011
110000 mi US $600 Rear left suspension was riding lower than rear right suspension. Dealer replaced rear struts. 

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2004 Infiniti FX 4dr SUV

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

Infiniti FX in Tennessee, United States
Jun 2010 - Mar 2015
77000 mi   Replaced 4 tires, front brake pads only, turned rotors, and aligned 4 wheels. This was first ever front brake pad replacement in 77,000 miles, and old Michelin Latitude tires were replaced after 49,000 miles. 
92000 US $600 Failed power steering pump replaced. 
94000   Seized rear caliper. Required new caliper, new rear pads, and resurfacing rear rotors. 
98000   Seized rear brake caliper (yes, the other one.) Replaced caliper only (brake pads and rotor fine.) Electric seat adjuster (driver's side, fore and aft adjustment) failed. 
Infiniti FX in Tennessee, United States
Feb 2011 - Mar 2015
125000 mi US $260 Replaced driver side wheel bearing/hub assy Replaced passenger side door lock actuator. It worked intermittently and affected the rear hatch lock as well. I understand this is a common problem. 
134000   Car was hard to start in the morning. Cleaned throttle body and the car started as usual. It is important to have the ECU relearn the idle otherwise the Check Engine Light will come on. Procedure can be found here 
136000   After cleaning the throttle body, I was not able to make the ECU "relearn" the idle. Had to take it to a mechanic who used Infiniti computer to reset the idle speed. 
143700   Driver seat power mechanism failed. Took to dealer first and quoted $1200 to replace seat track. Online forums suggested that plastic motor gear failed. sells gear for $65. Less than 60 minutes to replace. 
Infiniti FX in New Hampshire, United States
Mar 2009 - Jan 2011
68000 mi US $533 I needed a new muffler. There was a crack going all the way around the flange.  
83000   The front brake pads and rotors needed to be replaced 
84000   The passenger window would go back down when it was put up. Window motor needs to be replaced. rear drivers door lock switch not working. The remote would not unlock the door, it needed to be done manually. part was ordered Hood stays were not working. They would not hold the hood up. Part was ordered 
92000   rear hatch stays didn't work. wouldn't stay up 
Infiniti FX in Connecticut, United States
Mar 2009 - Dec 2014
54000 mi   Replaced entire dashboard under warranty due to the blister on it. 
Infiniti FX in Nevada, United States
Mar 2009 - Mar 2015
48000 mi US $270 Intermittant grinding noise coming from front of FX when vehicle was turning and braking at same time, at slow speed. Mechanic could not replicate, but noted front pads worn to 10%. Recommended replacing. Rotors resurfaced. New ceramic pads installed. 
49000   Replace cabin air filter and disinfect air box to eliminate musty smell/odor when starting up A/C. 
50000   Second time replacing cabin air filter and disinfecting air box. Musty smell still present when first starting up A/C. Requested dealer check to make sure A/C condensate line was not blocked. 
50000   Service Engine Soon light came on. Emission system leak captured by computer. Dealer could not replicate or find a leak, but all fittings/sensors checked/tightened and warning light reset @ no charge. No recurrence since. 
60500   Unusual cracking and splitting of engine splash shields--front & rear. No impact or other source of externally-caused damage.  
62000   Passenger side HID headlight needed to be replaced. Complicated access for DIY; requiring specialized tools and > than 1 hour shop time. Felt safer taking to dealer. Maybe not $360 safer, but paid the price, anyway.  
66000   Radiator splash pan/lower engine skid plate cracked. New pan had to be ordered. Will install at next oil change to save labor costs. Driver-side rear door lock actuator needs to be replaced. Intermittent problem with door not unlocking with key fob remote. Part not in stock at dealer. Part ordered. Will also be installed at next service interval. 
71000   Hydraulic rear differential support bushing leaking. Replaced rear cross member to resolve. L/R door lock actuator replaced. Lower engine cover had longitudinal crack visible below bumper. New cover ordered and installed. Labor included as part of other routine maintenance, since cover had to be removed to access maintenance item. 
82000   Oil cooler seal leaking-discovered during routine maintenance service. Slight leak. Not noticed in prior oil change service, so assumed the leak developed between 78K and 82K miles. Oil cooler O-ring seal replaced. Problem solved. 
87500   Fuel door lock and door lock actuators malfuntioning. Front passenger lock actuator had failed and is linked to and was ultimately affecting the fuel door locking mechanism. A rear passenger door actuator also needed replacing. Mechanic working on other problem observed that the hydraulic motor mounts were leaking hydraulic fluid. Mounts were replaced under extended warranty. Front passenger door proximity sensor did not function with the new actuator. Vehicle had to be taken back to the dealer a second time and another actuator installed. So, problem was eventually resolved, but not without a second repair trip/replacement p 
89500   Accelerator position sensor suddenly quit working and had to be replaced. Dealer had to keep vehicle overnight until part could be delivered via overnight service. 
92700   Radiator shroud cracked & loosened; dislodging cold air intake tube. CAI tube rubbed against AC compressor, making noise. Shroud & entire fan/motor assembly replaced under extended warranty. Front tie-rod bushing/mount failed. Could have led to loss of steering control. Tie rod Bushings and mounts replaced. Problem noticed by dealer mechanic when vehicle in for radiator fan shroud issue. Rear window wiper ceased working 
95000   Control arm bushings on driver side needed replacement. Majority of repair costs covered by extended warranty. 
95000   Front Control arm bushings passenger side needed replacing. Had replaced driver's side previous month. Majority of repair cost covered under extended warranty. 
96000   Remote keyless entry fob lost programming synch. Programming reset. New valet key (with transponder chip) ordered and cut to fit for second remote. 
Infiniti FX in Illinois, United States
Apr 2009 - Mar 2011
82000 mi US $1860 Brakes, all four pads and rotors.  air conditioning recharged rear trunk release button - $600 for trim piece because can't buy just the button 
87000   Replaced wheel bearing and tie rod bushings. 
Infiniti FX in Pennsylvania, United States
Jun 2009 - Dec 2012
72000 mi US $1700 Master cylinder replaced. wheels bearings replaced. 
95000   Engine occasionally had trouble starting. Check engine light came on. Had left bank cylinder module replaced at dealer. 
97000   Muffler y-pipe rusty, and there was a small hole in the muffler. Y pipe was sautered and hole was patched. This worked well. To replace the entire exhaust system would cost almost 1300 dollars, and I wasn't willing to do that repair. 
  Car was burning excessive ammounts of oil, more than a quart every 1000 miles. 

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