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Problems for specific Cadillac Seville years:

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Most reported Cadillac Seville problems

 

Verified for the Cadillac Seville

A coolant leak may develop from the water pump. The engine may overheat as a result of the coolant loss. A leaking water pump should be replaced.

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Verified for the Cadillac Seville

This powertrain control module (PCM) may develop a fault with its electrical ground location at the front of the engine block near the starter motor.

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Verified for the Cadillac Seville
The oil pressure switch and timing cover gasket may develop an engine oil leak.
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Verified for the Cadillac Seville

The alternator may fail causing the battery to go dead, or an abnormal noise may develop. The dash warning light may or may not illuminate. A failed alternator will require replacement.

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Verified for the Cadillac Seville

Excessive carbon build up in the engine combustion chambers may be the cause of a smog check failure due to excess NOx emissions. A "top engine" decoarbonization cleaning procedure will commonly correct this concern.

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Verified for the Cadillac Seville

It is common for the fuel level sensor in the fuel tank read the fuel level incorrectly. The sensor must be replaced to correct the condition. Our technicians recommend having the complete fuel pump module replaced on high mileage vehicles.

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