Manifold/header/muffler/tail Pipe Problems of Cadillac Deville

The contact owns a 1997 Cadillac Deville. The contact stated that while driving 30 mph, he smelled a burning odor. The vehicle was taken to an independent mechanic where the contact was informed that the oil pan seal was leaking oil. As a result, the oil was leaking onto the engine manifold. The vehicle was not repaired. The manufacturer was made aware of the failure, but offered no assistance. The contact expressed extreme concern over a potential fire hazard. The failure mileage was 65,000. Updated 04/18/bf updated 04/23/12.

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The contact owns a 1999 Cadillac Deville with a v8, 4. 6 liter north star aluminum engine. He stated that after driving the vehicle for 5 minutes, the vehicle would overheat. This was a frequent failure occurring in the vehicle. The vehicle was inspected by his independent mechanic and found that the fly-wheel failed and the right cylinder was missing the soft plug behind the water pump. The vehicle was also found to be leaking anti-freeze into the engine cylinders and through the tail pipe. The transmission was dropped in order to replace the fly-wheel and the freeze plug was also replaced by an independent transmission station. The failure persisted. The manufacturer was contacted and they advised him to replace the engine at his own expense. No additional repairs were made to the vehicle. The failure mileage was 148,987 and the current was approximately 149,000. The VIN was not accepted.

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The contact owns a 2002 Cadillac Deville. While driving various speeds, accelerating, or driving uphill or downhill, the vehicle hesitates and performs as it if wants to stall. In addition, it takes a long time for the gear to shift. The first time the failures occurred, the contact took the vehicle to a repair shop and was informed that the intake manifold failed. The vehicle was repaired, but the failure continued. The dealer has not been notified. The contact is afraid to drive the vehicle. The failure mileage was unknown and the current mileage was 142,790.

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"check coolant" light, overheating, taken to garage "free lance" Cadillac mechanic researched problem that it is a factory related incident that the first owner of the car ignored and should have been sent back to gm and they would have fixed it. I am a second owner to car and I have "inherited" this problem. Blown head gasket. . . . . . . . . . . . You pour coolant in and it runs right out the tail pipes!.

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The contact owns a 1997 Cadillac Deville. The vehicle will not start up after the key is turned in the ignition. The contact makes at least five attempts to get the vehicle to start. When the vehicle finally starts, the muffler produces a large amount of smoke and the engine light flashes on and off. The vehicle has been inspected by a mechanic a few times and the starter and alternator have been replaced; however, the failure persists. The current mileage was 182,895 and failure mileage was 161,000.

Having major problems with vehicle from the dexcool coolant . After water pump was replaced then the radiator had to be replaced, days after problem with head gaskets were the coolant leaked onto the manifold, and engine ran hot.

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Vehicle overheated due to exhaust fumes getting into the cooling system. This caused the head gasket to fail. This incident happened three times. Took vehicle to a mechanic, who changed out the water pump thinking it was the problem at that time. Consumer contacted the dealer, and they were aware of the problem. Also, contacted the manufacturer. However, problem recurred. Head gasket failure, vehicle became a hazard during the first incident due to the fact car was traveling on a 2 lane highway through mountain terrain. The engine was the victim of a botched head repair. Several of the head bolt holes have had custom helicoils installed by local Cadillac dealership. Their mechanic botched the repair and they did not hold. As a result this engine has a coolant leakage problem.

While driving head gasket blew out. Consumer managed to drive home. Dealership was notified, but did not resolve the problem.

Without warning vehicle stalled on interstate. Was able to pull over and restart engine. This happened on several occasions. Mechanic replaced plastic intake manifold that melted.

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The design of the air intake manifold allows water to be drawn into the engine, whenever the vehicle passes through more than one foot of water, which causes vehicle to shut down.

Brakes squeal upon application - service did not detect; brakes squeal upon application - installed updated pads on frt per bulletin 83-50-25; brakes squeal a 3rd time - longer time to stop; leaking oil - service - take out engine manifold; leaking oil again - service - hole forconvertor snout drilled too close to rear main journal; leaking oil - service replace rack and pinion; leaking oil - service - car was kept for several days did not detect leak. Leaking oil; rear window switch on left front door inopt - service - replace door windoe left front. Replace master control switch; express window down does work properly - service - did not detect; windshield washer inopt. - service -reconnect loose hose; windshield washer inopt reinstall nozzles; windshield washer inopt. - service -glued fittings together. Customer spoke with service manager several times. Customer spoke with dealership owner. Customer met with gm d. S. M.

Brakes squeal on application - (service - no noise heard) brakes squeal on application - (service - installed updated pads on frt per bulletin 83-50-25 ) brakes squeal upon application a 3rd time . Longer stopping time after brake application ; vehicle leaking oil - (service - take engine out manifold ) vehicle leaking oil again (service - hole for convertor snout drilled too close to rear main journal ) vehicle leaking oil (serviced) vehicle leaking oil (service - kept vehicle several days did not find oil leak) vehicle still leaking oil.