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Infiniti G Transmission Problems

2175 TrueDelta members own (or used to own) a 2000 or newer Infiniti G. 106 of these members (4.9%) have reported transmission repairs for their car. A total of 132 transmission repairs to Infiniti Gs--an average of 0.1 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 Infiniti G problems occur, check out our car reliability stats.

Percentage of Infiniti G repairs by problem area

Chart based on 2037 repairs.

Infiniti G transmission repair cost distribution

Chart based on 158 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 Infiniti G repair histories. Log in or join us to see them all.

2008 Infiniti G 2dr Coupe

330-horsepower 3.7L V6 6-speed manual RWD

2000 mi   There was a pinging noise that came from underneath the vehicle when I shifted into first gear. I took the vehicle to Infiniti, where they told me that there was a recall that was extended into the 08 model for the rear axle. After the repair the pingin 

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2007 Infiniti G 4dr Sedan

306-horsepower 3.5L V6 6-speed manual RWD

4000 mi   Clutch failed. Fully depressed and would not come back up. Had to be towed to dealer. Car was not safe to drive. Diagnosis -> Air somehow got into clutch cylinder (Not sure if Master or Slave). They bled the air from the system and it's fine now. 
4000   Leak in slave cylinder of clutch (Manual transmission) Was unsuccessfully diagnosed and not repaired properly in August. Had to come back in September. Parts ordered and installed. Repair took 3 days. 
5000   Clutch losing pressure AGAIN. Previous TWO repair attempts were only temporary solutions. I had to involve Infiniti corporate. The dealership had to wait for a part from Infiniti corporate. There's now a recall on the clutch. 
32000   Manual Transmission grinds when shifting quickly into 5th gear. The dealer claimed they could not duplicate. 
81500 US $2300 Clutch, flywheel and pressure plate needed replacement, mechanical failure. 

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2007 Infiniti G 4dr Sedan

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

12000 mi   Occasional rough shifting at light throttle around 20mph. 

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2006 Infiniti G 2-door

6-cylinder manual 2WD

55000 mi   5th gear stopped engaging. I suspect synchro was bad. Dealer replaced transmission with no further explanation. 
31000   Clicking in rear end. Said it was a normal problem and was fixed with a lube job. 

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2005 Infiniti G 4dr Sedan

298-horsepower 3.5L V6 6-speed manual RWD

26000 mi   Rear axles make clicking noise. 

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2003 Infiniti G 4dr Sedan

260-horsepower 3.5L V6 6-speed manual RWD

39000 mi US $325 1) Vibration in MT shift assembly; spring replaced. 2) Clutch master cylinder replaced. 
46000   Replace 6MT because of high-pitched whine in 6th gear. Investigation showed metal flakes in trans fluid. 

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2003 Infiniti G 4dr Sedan

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

64000 mi US $410 All gauges, air conditioning, and transmission stopped working. Was caused by an error in the transmission which was still under the extended warranty. Dealer said it was "wear and tear" but after some debate, they accepted it as a warranty item. Repla 

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2003 Infiniti G 2dr Coupe

280-horsepower 3.5L V6 6-speed manual RWD

19220 mi   replaced transmission (grinding 4th->6th gear & 5th->6th gear)  

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