1998 Buick LeSabre Problems

RepairPal has identified the most common problems with the 1998 Buick LeSabre 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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24
Known Problems

Failure of the crankshaft position sensorignition control module, or powertrain control module (PCM) may cause the Check Engine Light to illuminate.

The water pump may develop a coolant leak resulting in an engine overheating condition.

 

Extended life coolant may become contaminated and require cooling system service before the recommended 100,000 miles.

Our technicians recommend flushing the brake fluid every 60,000 miles.  Brake fluid that is dirty may cause problems in the brake system.

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.

The high pressure power steering hose will commonly leak fluid; it should be replaced.

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 EGR tube may develop an engine vacuum leak causing the engine to run lean. The Check Engine Light may or may not illuminate.

The steering rack may fail causing a loss of power steering fluid as a result the steering may become hard to turn.