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Cadillac Seville Problems

Find the most common issues based on Cadillac Seville owner complaints.
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Most Common Cadillac Seville Problems

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 igni...
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 ass...
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...
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2 Known Cadillac Seville Brakes Problems

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.
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...

4 Known Cadillac Seville Drive Train Problems

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 r...
You may be able to prevent transmission problems by servicing the transmission and inspecting the fluid every 30,000 miles. If the fluid is dark or burned then the transmission system should be com...
The torque converter clutch (TTC) may stop working due to an internal transmission failure. The Check Engine Light will illuminate if this occurs. Our technicians tell us the transmission will requ...

3 Known Cadillac Seville Electrical & Lights Problems

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 igni...
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 pum...
Acid may leak from the battery at the cable connections, resulting in corrosion on the battery cable ends and in the battery tray. A Leaking battery should be replaced and the cables thoroughly cle...

17 Known Cadillac Seville Engine Problems

The crankshaft position sensor may fail causing the engine to stall intermittently, the Check Engine Light may or may not illuminate.
The engine may develop oil leaks 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.
Overheating of the engine may cause the cylinder head to expand, severely straining the head bolts and damaging the threads in the engine block. This commonly results in a blown head gasket. Our te...

7 Known Cadillac Seville Exhaust & Emissions Problems

Illumination of the Check Engine Light may be the result of a loose or worn gas cap.
The EGR control solenoid or EGR valve may fail causing the Check Engine Light to illuminate.
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 Mot...

3 Known Cadillac Seville Heating & Air Conditioning Problems

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...
The air conditioning compressor may become noisy or develop a refrigeration leak, requiring replacement.
Extended life coolant may become contaminated and require cooling system service before the recommended 100,000 miles.

1 Known Cadillac Seville Maintenance Problem

Brake fluid can become dirty and may cause problems in the brake system; it should be flushed every 60,000 miles.

1 Known Cadillac Seville Miscellaneous Problem

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 ass...

4 Known Cadillac Seville Suspension & Steering Problems

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 failur...
The high-pressure power steering lines are known to leak.
The steering wheel position sensor may fail, resulting in the service stability message being displayed.

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Known Cadillac Seville Problems & Complaints

The spark plugs should be replaced every 30,000 miles and the spark plug boots should be checked for hot spots and cracks.
Overheating of the engine may cause the cylinder head to expand, severely straining the head bolts and damaging the threads in the engine block. This commonly results in a blown head gasket. Our te...
The engine may develop oil leaks 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.
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 r...
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 co...
The air conditioning compressor may become noisy or develop a refrigeration leak, requiring replacement.
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.
The oil pressure switch and timing cover gasket may develop an engine oil leak.
Our technicians highly recommend that the fuel filter be replaced every 30,000 miles.
An updated PROM (Programmable Read Only Memory) chip may be available for the powertrain control module (PCM). Check with your dealer.
The powertrain control module (PCM) can fail causing stalling, and various engine and transmission drivability concerns.
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 failur...
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