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Most reported Cadillac problems

 

Verified for the Cadillac Seville STS

The engine may develop an oil leak from the lower crankcase portion of the engine block. Our technicians tell us that the engine must be removed from the vehicle to properly repair this oil leak.

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Verified for the Cadillac DeVille

Failure of the catalytic converter can result in illumination of the Check Engine Light.

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Verified for the Cadillac Seville STS

Vehicles equipped with the 4.6L engine may develop excessive oil consumption. Please be advised that under optimum driving conditions, using one quart of oil every 2000 miles is acceptable. This Cadillac standard applies to vehicles with less that 50,000 miles. Our technicians tell us that if you experience excessive oil consumption it may be caused by built up on the piston rings which restricts movement, preventing them from wiping all the oil from the cylinder walls. Oil left behind is then burned during the combustion process. There is a special ring cleaning procedure which can help this situation. The GM service bulletin number is #02-06-01-009C.

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Verified for the Cadillac Seville STS

The parking brake may not release automatically due to a failed vacuum switch or actuator. Our technicians tell us that if vacuum is supplied to the actuator when the transmission is in gear, the vacuum switch is functioning and replacing the actuator should correct this concern.

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Verified for the Cadillac Escalade

The power door lock actuators may become slow to operate or stop working completely and require replacement.

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Verified for the Cadillac Escalade

Illumination of the Check Engine Light can be caused by a loose or worn gas cap.

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Verified for the Cadillac Escalade

The speedometer or other instrument panel gauge may begin to work erratically at times. Our technicians tell us that the instrument cluster must be sent to a repair facility to correct this fault. The warranty has been extended on some of these units to 7 years or 70,000 miles.

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Verified for the Cadillac Seville STS

Problems with anti-theft systems using the raised-chip key can prevent the car from starting. The wires in the steering column to the ignition lock cylinder tend to break. The key and ignition lock cylinder should be replaced to correct this condition.

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Verified for the Cadillac Seville STS

The fuel pump may fail causing the engine to stall and not restart. Our technicians recommend replacing the fuel filter every 30,000 miles to help prevent undue strain on the fuel pump.

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Verified for the Cadillac DeVille

The fuel pump may fail causing the engine to stall and not restart. Our technicians recommend replacing the fuel filter every 30,000 miles to help prevent undue strain on the fuel pump.

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Verified for the Cadillac DeVille

The Check Engine Light may illuminate due to an engine vacuum leak from the intake manifold area.

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Verified for the Cadillac DeVille

Water may be drawn into the secondary air injection (AIR) pump causing the pump to fail and the Check Engine Light to illuminate. Our technicians tell us there is a kit available from General Motors to relocate the air intake for the pump which should prevent future damage from water intrusion.

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Verified for the Cadillac Escalade

The fuel pump may fail causing the engine to stall and not restart.

23 Reports
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Verified for the Cadillac Seville SLS

The water pump and/or the plastic side tanks on the radiator may leak causing a loss of coolant. The engine may overheat due to coolant loss. Continued coolant loss after external leaks have been repaired could indicate a blown head gasket.

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Verified for the Cadillac DeVille

The steering wheel position sensor may fail, resulting in the service stability message being displayed.

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