1988 Buick LeSabre Service and Repair Manual

This factory service and repair manual for the 1988 Buick LeSabre serves four trims, Base, Custom, Estate and Limited, on three bodies: the 4-door wagon, 2-door coupe and 4-door sedan. Two gasoline engines are listed, a 3.8L V6 and a 5.0L V8, sharing overhead valves and natural aspiration. The manual gives procedures and specifications for the engine, fuel and ignition systems and cooling, torque values for the transmission, brakes and suspension, and wiring diagrams and diagnostics for the electrical system.

Engines covered

• 3.8L V6 (231 cu in) — OHV, naturally aspirated, gasoline
• 5.0L V8 (307 cu in) — OHV, naturally aspirated, gasoline

Body styles covered

• 4-door wagon
• 2-door coupe
• 4-door sedan

Trims covered

• Base
• Custom
• Estate
• Limited

Known issues on the 1988 LeSabre. NHTSA shows 3 recalls for the 1988 LeSabre. A cruise control recall reached certain 1988 LeSabre vehicles with cruise control and certain engines, where a displaced servo bushing could raise engine speed and snag the throttle. On certain cars with anti-lock brakes, loose hydraulic unit mounting bolts could let the unit separate from its bracket and cost braking. A third recall supplied updated owner's manuals for certain cars that lacked rear seat belt instructions; it covered 34,574 vehicles. Of 21 complaints, 12 concern steering and 3 seat belts. The manual provides steering, brake and cruise control procedures, torque values and diagnostics.