2004 Buick LeSabre Service and Repair Manual

This factory service and repair manual for the 2004 Buick LeSabre covers a 3.8L V6 sedan. The engine uses overhead valves, runs on gasoline and has no turbocharger or supercharger; the body is a 4-door sedan; and the trims are Custom and Limited. The electrical system and body get wiring diagrams and diagnostics, while the engine, fuel, ignition and cooling systems, transmission, brakes, suspension and steering get procedures, specifications and torque values.

Engines covered

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

Body styles covered

• 4-door sedan

Trims covered

• Custom
• Limited

Known issues on the 2004 LeSabre. NHTSA holds 161 owner complaints for the 2004 LeSabre, and the electrical system accounts for 66 of them. Structure draws 19, air bags 14, power train 12 and the engine and engine cooling 8. Eight complaints reported an injury, 5 a fire and 4 a crash. The manual pairs wiring diagrams and diagnostics for the electrical system with procedures, specifications and torque values for the body structure, air bag system and power train.