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Pontiac Bonneville Power Train Automatic Transmission Safety Report | June 07, 2007



Reported on June 07, 2007


1. THE TRANSMISSION ON OUR 2002 PONTIAC BONNEVILLE HAS HAD PROBLEMS SINCE PURCHASE NEW. THE DEALER EVENTUALLY SENT THE CAR TO A LOCAL TRANSMISSION SHOP BUT THE PROBLEM HAS PERSISTED INTERMITTANTLY EVEN AFTER MANY COMPLAINTS. THE TRANSMISSION SLIPS, SHUDDERS ON ACCELERATION AND SHIFTS ERRATICALLY. IT WILL SLIP AND THEN SOMETIMES SHIFT HARD. 2. IT IS VERY DANGEROUS TO DRIVE. THE TRANSMISSION WILL SLIP AND THEN SHUDDER AS WE ARE PULLING INTO TRAFFIC. WE HAVE ALMOST BEEN T-BONED SEVERAL TIMES. IT HAS BEEN GETTING WORSE LATELY AND I FEAR THAT ONE OF THESE TIMES WE WILL BE KILLED BY THIS PROPLEM. I RECENTLY LEARNED THAT GENERAL MOTORS KNEW OF THIS PROBLEM AND ACTUALLY ISSUED A BULLETIN #0O-07-30-002B IN JULY OF 2002. THE DEALER SHOULD HAVE BEEN AWARE OF THIS AS WE REPORTED THE EXACT SYMPTOMS TO THE DEALER SHORTLY AFTER PURCHASE. 3. THE DEALER SENT THE CAR TO A LOCAL TRANSMISSION REPAIR SHOP THAT FLUSHED THE TRANSMISSION AND CHANGED THE FILTER. IT DID NOT SOLVE THE PROBLEM AND ANY CAR WITH THE 4T65E TRANSMISSION POSE A SIGNIFICANT THREAT TO THE OWNERS OF THESE VEHICLES AND TO HIGHWAY SAFETY AS YOU NEVER KNOW WHEN FAILURE WILL OCCUR. EACH OF THE DOZEN OR MORE TIMES WE COMPLAINED TO THE DEALER THEY CLAIMED THAT THEY FOUND NO PROBLEM CODES. GM'S INTERNAL BULLETIN SUGGESTS THAT THEY REPLACE THE PRESSURE CONTROL SOLENOID, CHECK LINE PRESSURE TO SPECIFICATIONS, CHECK TO SEE IF CORRECT ELECTRICAL SIGNAL FROM PCM IS BEING TRANSMITTED AND RECEIVED, ACCESS PC SOLENOID VALVE CONTROL TEST ON THE SCAN TOOL, AND REPLACE VALVE BODY. NONE OF THESE THINGS WERE DONE AND THE TRANSMISSION HAS GOTTEN WORSE CREATING EVEN MORE DANGER. PROBLEM HAS EXISTED SINCE VEHICLE WAS ONLY A FEW MONTHS OLD.
Make: Pontiac
Model: Bonneville
Manufactured by: GENERAL MOTORS CORP.
Year: 2002
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: NORTH CANTON OH
Vehicle Identification Number (VIN): 1G2HY54K024
Mileage: 10000 miles.
Speed: 5 MPH
Number of cylinders: 6
Vehicle type: FWD
Vehicle fuel: GAS Fuel injection.
Was a police report filed? N
Tire size:
Dealer name and location: WILLIS MOTORS NORTH CANTON OH 44720
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