| 1 | 0 | 3 | 4 | 3 | 4 |
Pontiac G8 repairs by problem area
Engine (26%)
Transmission and Drivetrain (3%)
Brakes and Traction Control (2%)
Suspension and Steering (23%)
Electrical and Air Conditioning (26%)
Paint, Rust, Leaks, Rattles, and Trim (13%)
Other (6%)
Select a problem area
- Engine
- Transmission and Drivetrain
- Brakes and Traction Control
- Suspension and Steering
- Electrical and Air Conditioning
- Paint, Rust, Leaks, Rattles, and Trim
- Other
Chart based on 454 repairs.
Pontiac G8 transmission repair cost distribution
$2500+ (0%)
$1000 - $2499 (0%)
$500 - $999 (0%)
$100 - $499 (20%)
< $100 (80%)
Chart based on 15 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.
2009 Pontiac G8 4dr Sedan
415-horsepower 6.2L V8 6-speed shiftable automatic RWD
| 21000 mi | Transmission slipping on shifts. Replaced seals (TSB), TCM reflash (TSB), and replaced 4-5-6 clutch pack. |
2009 Pontiac G8 4dr Sedan
415-horsepower 6.2L V8 6-speed manual RWD
| 17000 mi | Manual transmission has a leaky master slave cylinder. Part order and scheduled to be repaired next week. |
2009 Pontiac G8 4dr Sedan
361-horsepower 6.0L V8 6-speed shiftable automatic RWD
| 11000 mi | LR Inner axle boot leaking/ torn causing LR axle CV joint to be exposed to water/ dust/ dirt. |
| 30000 mi US $365 |
Shift flare when cold. Replaced entire front pump assembly. |
| 8000 mi | Transmission flare and harsh shifts. |
| 70 mi | Transmission whine in 6th gear. Fixed by dealer before purchase. |
| 6000 mi | Whine when driving above 60-65 in 6th gear. GM bulletin #PIP4458 |
| 8000 mi | Drive shaft was indexed and reinstalled to eliminate a vibration problem. Driveshaft still needs to be replaced. |
| 8500 mi | Driveshaft was replaced. |
| 5000 mi | Had a vibration in the driveline. |
2008 Pontiac G8 4dr Sedan
361-horsepower 6.0L V8 6-speed shiftable automatic RWD
| 5000 mi | Warranty repair- Transmission interlock froze, console cover plate replaced after a release pin was pulled by the dealer. Transmission was not able to be taken out of Park but steering was not locked. |
| 32000 mi US $250 |
Linkage between shift lever and transmission became loose and disconnected. Simple fix at the dealer under warranty. |
| 55000 mi US $250 |
Transmission slipping slightly, replaced fluid & trans filter. Problem solved. |
| 9800 mi | Transmission went into limp mode with MIL illuminated. No problem found after reset. |
See TrueDelta's information for all Sedans
See TrueDelta's information for all Pontiac models.
