Oldsmobile Cutlass Supreme Problems
RepairPal has identified the most common problems with the Oldsmobile Cutlass Supreme based on complaints from actual vehicle owners. We'll tell you what the problem is and what it'll take to fix it.
An engine oil leak may develop from the rear of the engine. This is commonly caused by a failed oil pump drive o-ring seal. The leaking o-ring should be replaced to correct this concern.
Contaminated brake fluid can cause problems in the brake system and it should be flushed every 60,000 miles.
The timing chain tensioner and guides are prone to wear and may develop an abnormal noise, requiring replacement.
The engine vacuum hose to the MAP sensor may crack resulting in a vacuum leak causing the engine to run rough and/or stall.
The front struts may show signs of wear, or be excessively bouncy ride at freeway speeds. This may begin to occur at around 75,000 miles.
The intake manifold gasket may develop and external engine oil or coolant leak. In some cases, an internal coolant leak may occur causing coolant to mix with the engine oil. Our technicians tell us that operating the engine with a coolant/oil mix can result in internal engine damage. Replacing the intake manifold gasket should correct these leaks.
The engine temperature sensor wire for the engine temperature gauge, or warning light, may touch the rear exhaust manifold causing a short to ground causing erratic operation of the temperature gauge or warning light.
Fuel injectors can short-circuit electrically causing a rougher than normal idle and reduced performance.
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.