2008 Pontiac G8 Engine cooling Problems
- Complaints
- 1about this part
- Share
- 1%of 71 total for the year
- Median mileage
- 66,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 1 complaints about the engine cooling of the 2008 Pontiac G8, 1% of the 71 complaints for this model year. Where a mileage was given, the median is 66,000 miles.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“I was driving down 95 south near baltimore at about 70mph at 7am this morning when my 2008 Pontiac G8 gt (with the l76 6.0lv8 engine) alerted me that the engine was hot. I immediately pulled over and when I popped the hood I saw the upper radiator hose was not attached to the radiator anymore and a lot of coolant had leaked everywhere. Upon closer inspection, I saw that the pastic radiator flange that the hose attaches too had broken off of the radiator and was in the hose. …”
NHTSA complaint #10432200, filed 2011-10, 66,000 milesRelated service bulletins
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- 10241417Aug 1, 2023This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent additive.
Engine cooling: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2008 | 1 | 1% |
Other parts of the 2008 Pontiac G8
25 complaintsElectrical system
14 complaintsSuspension
10 complaintsSteering
8 complaintsTransmission and drivetrain
8 complaintsEngine
5 complaintsOther or unknown
4 complaintsBrakes
2 complaintsSeat belts
2 complaintsSeats
2 complaintsBody and structure
2 complaintsVisibility (wipers, defrost, mirrors)
2 complaints
← All problems reported for the 2008 Pontiac G8
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 29, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology