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Pontiac Grand Prix Power Train Safety Report | Apr 01, 2010
Reported on Apr 01, 2010
| I DRIVE A 2008 PONTIAC GRAND PRIX GXP AND HAVE HAD NOTHING BUT ISSUES WITH THE TRANSMISSION.WHEN COMING TO A COMPLETE STOP AND THEN TRYING TO ACCELERATE THE CAR WILL STRUGGLE TRYING TO GO.THEN WE WILL GET A BIG JOLT AS THE CAR SLIPS INTO GEAR.WE HAVE ALMOST GOT IN AN ACCIDENT FROM THIS AS WE WERE TURNING INTO A STORE AND ALL OF A SUDDEN THE CAR WILL NOT GO.AS ON COMING TRAFFIC IS COMING WE PURSUE TO TRY TO PUSH A LITTLE HARDER ON THE GAS PEDAL BEFORE FINALLY GETTING A BIG JOLT AND THE CAR GETS INTO GEAR. WE HAVE TOOK THE CAR OVER 9 TO 10 TIMES TO DEALERSHIP AND FILED A COMPLAINT WITH GM.THE DEALERSHIP CLAIMS THAT THEY ARE HAVING ISSUES DUPLICATING THE ISSUE.I DON'T KNOW HOW WHEN IT HAPPENS MORE THAN OFTEN. ITS GETTING PRETTY BAD AND SOON I HAVE A FEELING IT IS GOING TO GO OUT. WE WERE ABLE TO GET ARE WARRANTY ON THE CAR EXTENDED SINCE WE HAVE BEEN TAKING IT TO THE DEALERSHIP FOR THIS ISSUE SINCE AROUND 60 K MILES. WE ARE GOING BACK THIS WEEK TO DROP IT OFF AGAIN.FEELS LIKE A TORQUE CONVERTER AND THEY WILL NOT CHECK ANY OF THE TRANSMISSION PARTS. WE HAVE EVEN REQUESTED TO PAY OUT OF POCKET TO TAKE A LOOK AT THE TRANSMISSION AND TAKE IT APART TO SEE IF THEY CAN FIND ISSUES.THEY HAVE DECLINED IT AS IF THEY DON'T WANT ANYTHING TO DO WITH IT.I DID SOME RESEARCH AND THIS IS WHAT THEY CLAIM THE ISSUE IS CONVERTER RELIEF VALVE IS THE MAIN CULPRIT IN THE 4T65-HD (AS USED IN THE LS4 APPLICATION) TCC FAILURES.THIS VALVE BLEEDS OFF AT TOO HIGH A PRESSURE,WHICH DAMAGES THE TCC OVER TIME UPON THE DEALERSHIPS REQUEST WE HAVE HAD ARE TRANSMISSION FLUSHED,FUEL INJECTORS CLEAN AND ON THE 8TH TIME TAKING IT THERE HAVE FOUND THAT TWO MOTOR MOUNTS WERE BROKEN AND THEY CLAIM THAT THIS IS WHAT THE ISSUE WAS. $1,500 DOLLARS LATER AFTER THE REPAIR WE ARE STILL HAVING NOTHING BUT ISSUES WITH THE TRANSMISSION.GM NEEDS TO DO SOMETHING TO GET THIS FIXED BEFORE SOMEONE GETS HURT OR EVEN KILLED. *JS | |
| Make: | Pontiac |
| Model: | Grand Prix |
| Manufactured by: | GENERAL MOTORS LLC |
| Year: | 2008 |
| Was a crash reported? | N |
| Was an injury reported? | 0 person(s) were injured. |
| Was a death reported? | 0 person(s) died. |
| Was a fire reported? | N |
| Location: | SPOTSYLVANIA VA |
| Vehicle Identification Number (VIN): | |
| Mileage: | 65000 miles. |
| Speed: | 0 MPH |
| Number of cylinders: | |
| Vehicle type: | |
| Vehicle fuel: | |
| Was a police report filed? | N |
| Tire size: | |
| Dealer name and location: | |
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