Huge win for car owners! All TSBs to be made public. The Center for Auto Safety just made the NHTSA (US Government) make public the full text of all TSBs from now on. They are the same organization that has petitioned the NHTSA & filed lawsuits to protect car owners over exploding gas tanks & other major safety issues. Whenever you drive in your car, you are safer thanks in part to a lot of work over the years by this small but very effective consumer advocacy group.

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NHTSA — Power Train Problems


really awful
Crashes / Fires:
1 / 1
Injuries / Deaths:
0 / 0
Average Mileage:
93,477 miles

About These NHTSA Complaints:

This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.

So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.

2002 Pontiac Grand Prix drivetrain problems

drivetrain problem

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2002 Pontiac Grand Prix Owner Comments

problem #6

Jul 012013

Grand Prix 6-cyl

  • 160,508 miles


My vehicle is experiencing tsb: 06-07-30-023D 4T65E: Transmission 1-2 shift shudder at light to moderate acceleration. I called Pontiac recall center gave my VIN and was told it was not covered. Eventhough I got this recall after taking my car to a NJ inspection center.

- Lake Hiawatha, NJ, USA

problem #5

Apr 152008

Grand Prix

  • 95,000 miles
The contact owns a 2002 Pontiac Grand Prix. The contact noticed that the steering column would not lock properly and the floor shifter would not remain locked in its proper gear. He took the vehicle to the dealer and they stated that he would have to replace the neutral safety switch at the cost of over $400. The vehicle has not been repaired. The failure mileage was 95,000 and current mileage was 118,000.

- Cottonwood, AZ, USA

problem #4

May 152008

Grand Prix

  • 101,000 miles
The contact owns a 2002 Pontiac Grand Prix. The vehicle was in the park position with the engine turned on. While the contact's son was moving from the front to the rear seat, his foot struck the shifter. The gear shifted into reverse and the vehicle moved in a circular manner before rolling backwards into a light pole. The front bumper and passenger side headlight were damaged. The approximate speed at the time of the crash was 10 mph. The vehicle has not yet been inspected by a mechanic or dealer. A police report was filed. The failure and current mileages were 101,000.

- Olivia, MN, USA

problem #3

Nov 222005

Grand Prix 6-cyl

  • Automatic transmission
  • 90,000 miles


I was driving the 2002 Pontiac Grand Prix gtp on a highway with 45-55 mph speed limit for approx. 45 min. The car shut off 15 sec. After I heard the engine backfire. The speedometer went from 0 all the way up, and back to 0. I pulled into the nearest parking lot and popped the hood. I discovered a fire near the intake and the lower right side of the valve cover. The car was towed to a Pontiac dealer. They replaced the fuel injectors, the lower intake, valve cover, spark plug wires, electrical harness and much motor the cost was approx. $5000. After saying it would take 2 weeks, it took the shop 6 or 7 weeks to fix, so my car rental bill was thousands more than insurance would cover the car wasn't nearly as responsive and had trouble going up even the smallest inclines. Also, the shift-park interlink stopped working so the car would not shift out of park after the fire. And my sunroof hasn't worked since. And my fan for the A/C and heater only works with the fan on 5. also I have noticed a weird sound coming from the speakers on occasion. About a week or two later the car was in the shop because they had not replaced the spark plugs; one of them was cracked and was most likely cracked when I got the car back. The car had about 90,000 miles when it had caught fire. Then on June 3, 2006-after less than 2000 miles, the engine locked up. The dealer said the only option they can do to fix it is put a new engine in--the initial estimate is $5200. Also, I'm going to be out of a car again and will have the burden of rental car costs again. From what I have read, there have been numerous fires involving the GM 3.8. something needs to be done.

- Greenwood, IN, USA

problem #2

Jan 102005

Grand Prix 6-cyl

  • Automatic transmission
  • 76,000 miles
Dealership inspection revealed worn/failed parts. Both front hub bearings and driver side drive axle inboard cv boot torn/grease escaping. Brakes observed worn front both sides. Parts replaced with new/remanufactured parts. Other parts on front not effected by worn components. Old hubs available for inspection, drive axles returned to reman. Facility for core return. Front hub bearings built "sealed for life" showed signs of both grease seal failure (both sides) and wear in the vertical plane with no motion detected horizontally, some slight wear inward and outward on bearing. While removing old parts, detected same wear pattern on both hub bearings both sides front, and detected signs of burnished/blued surface on mating spline of drive axle assembly (drivers side only). Detected both drive axles cv boots rubber losing their pliability and becoming very brittle. Vehicle has approximately 76,000 miles on it and was used primarily highway miles city driving. Majority of miles on vehicle on straight level pavement. Noticed on occasion some stalling conditions on hard left turns (max. Radius) which have sometimes caused a complete shutdown of engine. Since replacement of said parts, engine/drive train seems to be mechanically "fluid" with less hesitation/shifting demands on the trans axle assembly. Fluid/filter replacement in trans axle revealed higher than average wear indicated by soft form metals in the pan and filter causing a near complete clogging condition. Heavy formations.

- Media, PA, USA

problem #1

Apr 152003

Grand Prix

  • Automatic transmission
  • 38,356 miles
Suspension - wheel bearing failure - replaced wheel hub transmission - car trying to go into reverse and drive at same time. Gear in transmission failure. Replaced transmission paint - several areas on car paint coming off and rusting. Wet sanded some areas and brush touched up leaving globs of paint in these areas. Efforts to remove etching residue on trunk resulted in dealer paint dept. Scratching trunk and spoiler. I notified manager. Attempts to remove scratches were unsuccessful car was returned to me with scratches. Paint on hood coming off and rust starting. Were supposed to repair but failed to do so. Informed paint manager I was dissatisfied but his hands are tied because of used car manager. I informed them I would be contacting GM. The reply was do what you gotta do. Dealership is twin city in port arthur,

- Mauriceville, TX, USA

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