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1998 Buick LeSabre Problems

Find the most common issues based on 1998 Buick LeSabre owner complaints.
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Most Common 1998 Buick LeSabre Problems

The transmission pressure control solenoid may fail causing erratic shifting. Our technicians tell us that partial dis-assembly of the transmission is necessary to replace a failed pressure contr...
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 mass air flow or crankshaft position sensor may fail causing the engine to stall intermittently. Proper diagnoses will be necessary to determine the cause of any stalling condition.
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3 Known 1998 Buick LeSabre Brakes Problems

The anti-lock brake (ABS) pressure modulator valve assembly may fail internally causing the ABS light to illuminate.

3 Known 1998 Buick LeSabre Drive Train Problems

The transmission pressure control solenoid may fail causing erratic shifting. Our technicians tell us that partial dis-assembly of the transmission is necessary to replace a failed pressure contr...
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...

2 Known 1998 Buick LeSabre 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...

6 Known 1998 Buick LeSabre Engine Problems

The mass air flow or crankshaft position sensor may fail causing the engine to stall intermittently. Proper diagnoses will be necessary to determine the cause of any stalling condition.
The intake manifold gasket can develop external engine oil leaks. The intake manifold will need to be removed and the gaskets replaced to correct this issue.
The water pump may develop a coolant leak resulting in an engine overheating condition.

4 Known 1998 Buick LeSabre Exhaust & Emissions Problems

Illumination of the Check Engine Light may be the result of a loose or worn gas cap.
The Engine Control Module (ECM) can fail causing stalling, and engine and transmission drivability concerns.
The EGR tube may develop an engine vacuum leak causing the engine to run lean. The Check Engine Light may or may not illuminate.

3 Known 1998 Buick LeSabre 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...
Extended life coolant may become contaminated and require cooling system service before the recommended 100,000 miles.

1 Known 1998 Buick LeSabre Maintenance Problem

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

0 Known 1998 Buick LeSabre Miscellaneous Problems

4 Known 1998 Buick LeSabre Suspension & Steering Problems

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 steering rack may fail causing a loss of power steering fluid as a result the steering may become hard to turn.
The high pressure power steering hose will commonly leak fluid; it should be replaced.

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Known 1998 Buick LeSabre Problems & Complaints

The transmission pressure control solenoid may fail causing erratic shifting. Our technicians tell us that partial dis-assembly of the transmission is necessary to replace a failed pressure contr...
The high pressure power steering hose will commonly leak fluid; it should be replaced.
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 mass air flow or crankshaft position sensor may fail causing the engine to stall intermittently. Proper diagnoses will be necessary to determine the cause of any stalling condition.
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 Engine Control Module (ECM) can fail causing stalling, and engine and transmission drivability concerns.
The upper intake manifold may develop an internal coolant leak causing one or more cylinders to fill with coolant. This can cause the engine to "hydro-lock" and not turn over. Removing the spark pl...
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 outer tie rod ends on the steering linkage may wear causing excessive free play in the steering and uneven tire wear. If the worn tie rod ends are replaced, the wheel alignment should be chec...
The water pump may develop a coolant leak resulting in an engine overheating condition.
Illumination of the Check Engine Light may be the result of a loose or worn gas cap.
The intake manifold gasket can develop external engine oil leaks. The intake manifold will need to be removed and the gaskets replaced to correct this issue.
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