2008 Infiniti G Infiniti G 2008

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2008 Infiniti G repairs by problem area

Engine (26%)

Transmission and Drivetrain (8%)

Brakes and Traction Control (6%)

Suspension and Steering (12%)

Electrical and Air Conditioning (21%)

Paint, Rust, Leaks, Rattles, and Trim (20%)

Other (7%)

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Chart based on 434 repairs.
See TSBs and recalls for the 2008 Infiniti G.

2008 Infiniti G electrical repair cost distribution

$2500+ (0%)

$1000 - $2499 (4%)

$500 - $999 (5%)

$100 - $499 (18%)

< $100 (73%)

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Chart based on 73 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.

2008 Infiniti G

Engine not specified

24000 mi no audio 

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2008 Infiniti G 4dr Sedan

306-horsepower 3.5L V6 6-speed manual RWD

42700 mi Radio resets. I lose all my presets as a result. 
89000 mi

US $1160
Steering Lock Relay Non-Operational - Replaced 284B7JK00A Controller Unit 

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2008 Infiniti G 4dr Sedan

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

1000 mi All AV/NAV/Phone sound stopped. The item (AV Computer) was ordered; however, it was at least a 3 week wait for parts to install. As of today, part has not been received (going on 4 weeks). 
2000 mi After 4 weeks, new stereo arrived and installed. Infiniti parts delivery was terrible. After talking to Infiniti customer care, they were almost to the point of telling us it was our fault. Offered no remediation. TERRIBLE overall service for this problem 
72000 mi Clock light went out. 
98000 mi

US $150
window motor on passenger side began to make a "grinding noise", dealer said it was the window motor assembly and needed replacing. 
9000 mi Air conditioner pump went out, dealer repaired. Complaint of rattles coming from rear deck, dealer tried to locate but couldn't repair, complaint of excessive wind noise from sunroof, dealer couldn't repair. 
25000 mi Replaced an electrical part in the steering post. I lost all electric functions on the steering wheel controls. 
26300 mi TPMS sensor went stopped working. This caused the warning light to come on. New part installed under warranty. 
100000 mi

US $300
driver's side window went down, but wouldn't go back up. Motor/cable had to be replaced. 
32000 mi Buttons for NAV stopped working 
41000 mi Nav system screen would be unresponsive and turn off in extremely hot weather. System would come back on after 10 minutes or so, but in the meantime, no music, and hvac would be stuck on whatever it was on when I last turned the car off. 
70000 mi

US $600
Main amp went out. Sound would go completed out or come in and out periodically. Junkyard unit fixed it. 1200 for the part at dealer, 400 for used one. 
45260 mi

C $98
replaced battery 
30000 mi 30K maintenance, driver's side door lock inop with door button or fob, driver's side passenger door lock intermittent with same problem. Both replaced under warranty. Roswell GA Infinity, excellent service. 
39000 mi OEM battery gave out and was replaced 
52000 mi

US $79
electrical cable /connected to multi switch flat. panel had connector that had disconnected contacts. had to take whole panal apart to fix multi connector cable connector. Dealer said this was 1st time he had seen this problem. 
24000 mi Front passenger window motor made odd noise. Dealer said window motor is dying. Part ordered and waiting for it to come in and be installed. Front passenger window motor made odd noise. Dealer said window motor is dying. Part was ordered and installed on 10/3. Trim piece damaged by dealer and ordered on 10/20. Waiting to have it replaced 
57000 mi The A/C compressor required replacement. 
9000 mi Left front tire inflation sensor was defective. 
15000 mi HVAC/NAV software problem 
17000 mi Right front tire pressure monitor failed. 
21000 mi Tire pressure sensor failed in the left rear tire. Sensor replaced under warranty. 
86000 mi

US $162
Battery replacement. 
57000 mi Passenger airbag light malfunction (turned on randomly with passenger in seat) 
5000 mi The "passenger airbag off" light turns off and on intermittently. Sometimes it says it is on when there is nothing in the seat (when it should be off). 
21100 mi passenger airbag goes on and off at the wrong times 
7000 mi Could not change radio preset stations via steering wheel controls. Dealer ordered and installed a new radio unit. 
16000 mi

US $220
One wheel's TPMS sensor failed. Took care of it while getting routine oil change. 

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2008 Infiniti G 4dr Sedan

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

35000 mi

US $40
Replaced tire air pressure sensor 
38000 mi Replace another tire pressure sensor. 
15000 mi Dealer unable to update Nav maps. Hard drive defective, replaced HD unit 
31000 mi Sat. Radio failed. Sat. Traffic however still worked. Entire radio unit had to be replaced, on order.  
31000 mi Dealer installed wrong radio unit, had to revisit dealer for the correct unit to be ordered. Unit order, problem solved. 
75000 mi Left fog light burned out and was replaced---part of the headlight assembly. The left airbox had to be removed and the positioning of the bulb (a 9006 as I recall) had to be precise.  
121000 mi

US $60
Clock light was out. Since this is a unit replace only item, I purchases a complete used climate control/radio control pane/ which included the clock. 
123000 mi

US $75
LEDs in the instrument cluster were blinking intermittently. Replaced the original cluster with a known working used unit bought on EBay. 
131000 mi

US $180
Replaced all of the TPMS units. 
21000 mi Computer managing audio system is not working properly. Part was ordered but it was for the wrong model G35 (mine has NAV; the part they ordered was not for NAV equiped system) so I have to go in a 3rd time. 
23000 mi Radio control module replaced.  New unit installed but Bluetooth now no longer works properly. My cell phone works with other Infiniti models in the showroom but NOT with my G35x. Infiniti does not know what is causing the problem. 
19000 mi Rear window switch at drivers door did not work 
27700 mi Entire audio system failed 
95000 mi The AC compressor was noisy. Replaced under extended warranty. 
117000 mi

US $200
Could start car but could not shift out of park. Problem was wires to brake lights were shorting out because coating had cracked and worn away exposing wires. 
145300 mi

US $100
battery failed after 50 months 
120000 mi

US $1700
Car needed a new compressor 
152000 mi

US $300
Replace air conditioning compressor. 
44000 mi

US $250
All 4 TPMS replaced. Not covered under warranty. 
48000 mi Windows were going down on their own. Replaced key fobs. TPMS sensor was bad. Replaced. 
3000 mi Nav screen would go blank on vehicle startup locking out all functions of the screen (HVAC, Radio, NAV) Intermittant and rare problem but happened three times in a month. Dealer replaced unit without having to replicate, no issues since. 
136000 mi

US $600
replaced starter 
80000 mi

US $500
TPMS sensors needed to be replaced 
65000 mi Rattle from the dash above 3000 rpm 
1000 mi Front windows would go down about 2 inches and the trunk would open when parked in my driveway. Would occur about once a week. Car had less than 850 miles on odometer. 
9000 mi Unable to change FM radio presets using steering wheel mounted controls. Related to Infiniti Technical Service Bulletin ITB08-037 dated July 24, 2008. 
10000 mi Replaced audio control unit. Reset radio presets, stored addresses, and XM radio code. Problem resolved. 
22300 mi On random occasions (4 times per year), upon starting the vehicle and turning on the automatic climate control system using the "auto" button, both driver and passenger temperatures would be set at 90 degrees. Dealer could not replicate the problem. 
41000 mi Steering column made a high pitch squeak when adjusting up/down (i.e. comfort and convenience item - lift steering wheel on exit). Dealer lubricated the column but problem did not go away. They ordered a new motor for future installation. 
45000 mi Dealer replaced steering column motor that eliminated the high pitch squeak when adjusting up/down (i.e. comfort and convenience item - lift steering wheel on exit). 
57000 mi CD changer stopped working 
111000 mi

US $300
Wire harness for trunk release failed. Wire harness was repaired. 
11000 mi Drivers side door had intermittent unlocking issues. Would need to lockunlock several times to get to actually unlock. Dealer isolated to door lock actuator. Dealer repaired under factory warranty. So far, problem has not reoccurred. 

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2008 Infiniti G 2dr Coupe

330-horsepower 3.7L V6 6-speed manual RWD

290000 mi

US $500
Replaced compressor 
81900 mi

US $371
Map on NAV unit was rotating. NAV unit replaced under extended warranty. Found ROM codes in AV unit when in self diagnosis. Found fault code to be in AV control unit. 
80000 mi

US $1272
Reverse switch failed, resulting in backup camera and reverse lights not working. 
1000 mi Freezing of media center upon start of car. Replaced the "navigation control unit". 
10000 mi Battery drains even when engine off. Effect is, car will unexpectedly not start and require a jump or tow. Infiniti has been aware of this problem since car was introduced and can't/won't fix. 

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2008 Infiniti G 2dr Coupe

330-horsepower 3.7L V6 5-speed shiftable automatic RWD

143000 mi Radio stopped working 
60760 mi Compressor making noise, spraying with WD40 stops it temporarily. 
19000 mi Battery not holding charge. Would die after a day of sitting. Infiniti discovered problem and issued a TSB to replace parts and upgrade battery. 
32800 mi TPMS sensors malfunctioning. Dealer tested and replaced with new sensors for all 4 wheels. 
9920 mi Heater core had sealent in it causing a ticking sound. As per TSB 
8000 mi Defective trunk latch causing battery drain. 
18000 mi Battery repeatedly died after sitting more than 3 or 4 days.  
22000 mi Window on passenger side opened automatically upon opening the door and did not close upon closing door. Repaired by service technican reprogramming the door at no charge. 
8060 mi Supplemental airbag warning indicator light flashing. The cable in the passenger seat was knocked loose by a back seat passenger. It has happened since and I need to return it to the shop once more.  
9300 mi FIXED: Air Bag Light, second time. FIXED: Passenger Window Does not come back up. FIXED: Passenger Window control does not go all the way back up on one pull of the switch. 
24000 mi Tire Pressure Monitor Sensor (TPMS) nuisance light. Re-registered all TPMS in the tires. 
26000 mi The dealer replaced vent control valve and updated ECM programming. This may cause the electrical system to use too much amperage and cause a battery failure if car doesn't get used over several days. 
47000 mi Gas Gauge reading was incorrect, replaced level sensor. The dot matrix LCD in between the tach and speedometer would sometimes not illumunate brightly during daytime, as if it were stuck on night time brightness. 
35000 mi A wire had come loose causing the heater to not sense the cabin temperature. Note: Even though my car was out of warranty they did not charge me for the service. 
12000 mi

US $257
Battery failed to hold charge; oil change. 
13020 mi Firmware update was performed. Helped improve the radio presets scrolling function. 
15500 mi Battery cable was not attached properly therefore the car battery was unable to charge correctly. 
33000 mi A/C making noise. Dealership replaced compressor under warranty. 
85000 mi Tilt steering motor not working properly. 
64200 mi

US $400
Battery, relay, and fuses replaced. 

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2008 Infiniti G Electrical Problems

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