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Problems for specific Cadillac Seville years:

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Newest reported 1993 Cadillac Seville problems

 

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.

4 Reports
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Verified for the Cadillac Seville

An updated PROM (Programmable Read Only Memory) chip may be available for the powertrain control module (PCM). Check with your dealer.

4 Reports
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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.

4 Reports
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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

One or more heater & AC (HVAC) air delivery and/or temperature mode door actuator may fail. This can result in incorrect air delivery or temperature. If this occurs, fault code(s) stored in the HVAC control module should be available to assist with diagnoses.

21 Reports
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Verified for the Cadillac Seville

The trunk pull down switch may fail causing the trunk lid not to close completely. Our technicians tell us that the failed switch can be replaced without changing the complete pull down motor assembly.

22 Reports
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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

The electronic level ride system may not work properly; this may result in the rear of the vehicle riding too high or too low. Our technicians tell us that a height sensor or exhaust valve failure are common issues with this system. Proper diagnoses will be necessary to confirm the exact fault.

10 Reports
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Verified for the Cadillac Seville

The anti-lock brake system (ABS) control module may fail causing the ABS light to illuminate. Failed modules should be replaced to restore ABS operation.

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Verified for the Cadillac Seville

The rubber section of an automatic transmission cooler line may develop a fluid leak . In some cases the leaking section of hose can be replaced. In others, the complete cooler line must be replaced to correct this concern.

16 Reports
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Verified for the Cadillac Seville

Problems with the 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 the key and ignition lock cylinder must be replaced to correct this condition.

19 Reports
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Verified for the Cadillac Seville

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.

17 Reports
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Verified for the Cadillac Seville

The high-pressure power steering lines are known to leak.

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Verified for the Cadillac Seville

The air conditioning compressor may become noisy or develop a refrigeration leak, requiring replacement.

11 Reports
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Verified for the Cadillac Seville

Fuel injectors can short-circuit electrically causing a rougher than normal idle and reduced performance.

 

5 Reports
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