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Pontiac Bonneville Power Train Driveline Safety Report | Feb 15, 2010



Reported on Feb 15, 2010


IN FEBRUARY 2010, DRIVING AT 5 MPH WHILE MAKING RIGHT TURN ON BUMPY BLACKTOP, THE ENGINE FELL OUT FROM UNDER CAR CAUSING STEERING TO BECOME INOPERABLE. CAR WAS TOWED FROM SCENE. UPON INVESTIGATION IT WAS FOUND THAT 4 (REAR) OF 6 BOLTS HOLDING ENGINE CRADLE TO UNI-BODY FRAME PULLED THROUGH RUSTED RETAINERS. ALL (6) BOLTS, RETAINERS, SPACERS AND INSULATORS WERE REPLACED. THE STEERING LINKAGE WAS REATTACHED AND THE CLOCK SPRING COIL KIT WAS REPLACED (CLOCK SPRING WAS TORN WHEN STEERING LINKAGE SEPARATED). THIS INCIDENT CAUSED A LOT OF CONCERN BECAUSE IT COULD HAVE HAPPENED AT ANY SPEED. TOWING, REPAIRS AND PARTS COST $805.14. 4 MONTHS LATER THE STEERING RACK WAS FOUND TO BE LEAKING AND WAS REPLACED AT A COST OF $450. NO PARTS HAVE BEEN RETAINED BUT PHOTOS OF THE BOLTS IN THE FRAME WITH THE ENGINE SUB FRAME HANGING ARE AVAILABLE. NATURALLY THE RETAINERS THAT FAILED ARE GONE BECAUSE THEY FELL OFF WHEN THEY FAILED. THE ENGINE DID NOT FALL ENTIRELY FROM THE VEHICLE BECAUSE THE 2 FRONT BOLTS WERE STILL INTACT AND THE UPPER ENGINE MOUNT HELD THE ENGINE SUB FRAME 2 ABOVE THE ROAD SURFACE. *TR
Make: Pontiac
Model: Bonneville
Manufactured by: GENERAL MOTORS CORP.
Year: 1995
Was a crash reported? N
Was an injury reported?
Was a death reported?
Was a fire reported? N
Location: EPHRATA PA
Vehicle Identification Number (VIN): 1G2HX52K6S4
Mileage: 139600 miles.
Speed: 5 MPH
Number of cylinders:
Vehicle type:
Vehicle fuel:
Was a police report filed? Y
Tire size:
Dealer name and location:
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