Coolant Leaking Problems of Oldsmobile Aurora

The contact owns a 1998 Oldsmobile Aurora. While driving approximately 65 mph, there was a reduction in the engine power and the vehicle began to jerk. The engine suddenly stalled without warning. The contact was able to restart the engine and resume in operation. In addition, the engine would overheat with a significant amount of coolant leakage. The failure occurred twenty times. An independent mechanic replaced the engine head gasket two different times. The failure recurred three months after the second repair. The vehicle was inoperable and had not been repaired for the most recent failure. The approximate failure mileage was 109,000.

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Engine component failure at 68,000 miles. Head bolt inserts failing causing oil and coolant leakage. Gm service request #1-187589352. Car purcased new with extended warranty expiring in April, 2003. Repair estimate in excess of $6,100. Service bulletin 99086 issued in Dec 1999 discovered by owner on NHTSA database which service dealer confirms is the mode of failure. Gm customer care representative denied assistance. Complete engine failure imminent.

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Engine block casting problem from the factory. Engine leaked and used coolant. Engine replaced @ 8000 miles. Since replacement car has never run correctly, stalls, engine light on, mulitple error codes in computer.

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Coolant leak has been serviced about six to seven times. My Aurora is currently in the round rock, texas classic gm dealership for another try. Also, the car is being outfitted with a device which will take a picture of the engine /electronic systems to determine why the engine quits while driving. This has occurred about 5 times and I was almost involved in an accident entering a freeway when I lost all power. I have been asked to press an installed button the next time the engine stalls. I often get a hard shift when going from reverse to drive. About 20% of the time. Told this problem could not be duplicated by dealer.