1991 Buick LeSabre Reliability

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Base Coupe (3.8L V6 4-speed Automatic)

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Reliability Rating for 1991 Buick LeSabre by Identifix

Ratings Key

Minimal Problems

Moderate Problems

Significant Problems

	Rating	Comments
Engine		Occasional problems on this vehicle are failures of the Ignition Coil Pack Assembly, the Engine Control Module (ECM) and the Cam Sensor Magnet. Failure of the Ignition Coil Pack Assembly or the ECM may prevent the vehicle from starting. The cost to repair the Ignition Coil Pack Assembly is estimated at $125.00 for parts and $65.00 for labor.The cost to repair the ECM is estimated at $134.00 for parts and $84.50 for labor.The cost to repair the Cam Sensor Magnet is estimated at $40.00 for parts and $247.00 for labor.All prices are estimates based on $65 per flat rate hour and do not include diagnostic time or any applicable sales tax.
Transmission & Driveline
Steering & Suspension
Brake		Occasional problems on this vehicle are failures of the Antilock Brake System (ABS) Pressure Modulator Valve (PMV) and the ABS Relay. The cost to repair the ABS PMV is estimated at $474.00 for parts and $117.00 for labor.The cost to repair the ABS Relay is estimated at $12.00 for parts and $26.00 for labor.All prices are estimates based on $65 per flat rate hour and do not include diagnostic time or any applicable sales tax.
Heating & Air Conditioning		An occasional problem on this vehicle is failure of the Air Conditioning Compressor Control Relay. The cost to repair the A/C Compressor Control Relay is estimated at $20.00 for parts and $32.50 for labor.This vehicle was originally charged with R-12 refrigerant which is no longer being manufactured. The refrigerant is still available, but it is very expensive ($25.00-$50.00 per pound, 2-5 pounds per vehicle). Conversion to the new R-134A refrigerant is possible, at an average cost of about $100-$250 parts and labor.All prices are estimates based on $65 per flat rate hour and do not include diagnostic time or any applicable sales tax.
Starting & Charging		An occasional problem on this vehicle is failure of the Ignition Lock Cylinder. Failure of the Ignition Lock Cylinder may prevent the vehicle from starting. The cost to repair the Ignition Lock Cylinder is estimated at $50.00 for parts and $97.50 for labor. All prices are estimates based on $65.00 per flat rate hour and do not include diagnostic time or any applicable sales tax.
Accessories		An occasional problem on this vehicle is failure of the Cruise Control Brake Switch. The cost to repair the Cruise Control Brake Switch is estimated at $19.00 for parts and $45.50 for labor.All prices are estimates based on $65 per flat rate hour and do not include diagnostic time or any applicable sales tax.
Overall		3 out of 5

Reliability Ratings displayed above reflect style specific standard features and may vary from aggregated values displayed for the same year in the historical model overviewed bellow.

Reliability History for Buick LeSabre by Identifix

	1991	1992	1993	1994	1995
Engine
Transmission & Driveline
Steering & Suspension
Brake
Heating & Air Conditioning
Starting & Charging
Accessories
Overall

Reliability Ratings by Identifix is based from repair shop-reported issues. Though this data may be for years prior to model you are researching, it exposes how reliable this model platform has been historically.