1994 PONTIAC BONNEVILLE Power Train Problems
11 complaints about Power Train
High Severity Issue
This component has been associated with crashes, fires, or deaths.
This Problem Across All Years
All Power Train Complaints (11)
1994 PONTIAC BONNEVILLE. DUE TO CORROSION THE ENGINE CRADLE BOLTS / MOUNTING FAILED AND ENGINE FELL OUT OF CAR. LUCKILY IT WAS WHILE TURNING AROUND IN THE DRIVEWAY, IF IT HAD HAPPENED ON / AT ROAD SPEEDS THERE COULD EASILY HAVE BEEN LOSS OF STEERING CONTROL, MULTI CAR INVOLVEMENT, INJURIES, OR LOSS OF LIFE. GM SERVICE OFFERED ZERO HELP ON RECALL OR SERVICE BULLETIN INFORMATION AND DENIED ANY RESPONSIBILITY FOR DEFECT OR REPAIR. *TR
Mileage: 150,000
ACCORDING TO TRANSMISSION SHOP DEFECTIVE SEAL DESIGN CAUSES TRANSMISSION TO NOT ENGAGE WHEN COLD. *AK
TRACTION CONTROL SYSTEM WAS INSTALLED INTO VEHICLE, IT WAS NOT INSTALLED AT TIME OF ASSEMBLY. *YC
TRANSMISSION REPLACED TWICE DUE TO FAILURE, PROBLEM STILL EXIST, POSSIBLE CAUSE OF WHEEL LOCK-UP. *YC
WHEEL LOCK UP DUE TO TRANSMISSION FAILURE.
SHIFT HANDLE BROKE. *YC
ORIGINAL TRANSMISSION FAILED 11/98, REPLACEMENT TRANSMISSIN (NOT REBUILT) INSTALLED BY DEALER. REPLACEMENT BEGAN NOT FINDING GEAR FROM PARK IN 2/99. DEALER DIAGNOSED AS PROBLEM OF TRANSMISSION LEAKING FLUID INTO RADIATOR AND REPLACED RADIATOR, 5/99 TRANS BEGAN FALLING OUT OF GEAR INTO NEUTRAL WHILE DRIVING AT 45-65MPH, DEALER DIAGNOSED AS LEAK IN PART BETWEEN TRANS AND RADIATOR AND "FIXED" IT, THE NEXT DAY THE TRANS MORE THAN DOUBLED THE INSTANCES OF WHEN IT WOULD RANDOMLY SHIFTED INTO NEUTRAL AT SPEEDS OF 45-55MPH. NHTSA ALREADY HAS 3 REPORTS OF '94 BONNEV. TRANS SLIPPING INTO NEUTRAL WHILE DRIVING. *AK
VEHICLE DEVELOPED A LEAK IN THE TRANSMISSION FLUID, CAUSING AN UNDERHOOD FIRE. *AK
AT NIGHT, THE GEAR POSITIONS CANNOT BE READ.
TRANSMISSION SHIFTED OUT OF DRIVE, INTO NEUTRAL. *DH
BOUGHT THE CAR A YEAR AGO AND THE TRANSMISSION IS SLIPPING AT HIGH SPEED. PLEASE DESCRIBE. *AK