Cadillac Problems

RepairPal has identified the most common problems with the Cadillac as reported by actual vehicle owners. We'll tell you what the problem is and what it'll take to fix it.

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452
Known Problems

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

 

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

 

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.

A coolant leak may develop from the water pump. This can result in an engine overheating condition. A leaking water pump will require 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.
The oil pressure switch and timing cover gasket may develop an engine oil leak.

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.

Our technicians highly recommend that the fuel filter be replaced every 30,000 miles.
Our technicians highly recommend that the fuel filter be replaced every 30,000 miles.

The EGR control solenoid or EGR valve may fail causing the Check Engine Light to illuminate.

The EGR control solenoid or EGR valve may fail causing the Check Engine Light to illuminate.

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

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.