1987 Buick LeSabre service and repair manual — a detailed, factory-style reference for maintenance, diagnostics, and repair. Use it to confirm correct procedures, specifications, and system coverage before you start work.
Built for technicians and DIY owners, this manual helps you troubleshoot accurately, follow step-by-step repair procedures, and use wiring diagrams and system sections to diagnose problems faster.
What’s included
- Step-by-step repair procedures and service information
- Specifications and reference data (where provided)
- Electrical coverage with wiring diagrams
- Coverage across key systems: engine, transmission, brakes, steering, suspension, HVAC, and more
Trims covered
- Estate Wagon Wagon 4-Door
- Base Sedan 4-Door
- T-Type Coupe 2-Door
- Custom Coupe 2-Door
- Limited Coupe 2-Door
- Custom Sedan 4-Door
- Limited Sedan 4-Door
- Base Coupe 2-Door
Engines covered
- 5.0L 307Cu. In. V8 GAS OHV Naturally Aspirated
- 3.8L 3800CC 231Cu. In. V6 GAS OHV Naturally Aspirated
Index / Table of contents
- Body
- Brakes
- Chassis Electrical
- Driveline
- Engine Cooling
- Engine Electrical
- Engine Mechanical
- Engine Performance & Emission Controls
- Fuel System
- General Information & Identification
- Heating, Ventilation, & Air Conditioning
- Hybrid & Electric Vehicle Systems
- Steering
- Suspension
- Transmission, Clutch, & Transfer Case
- Wiring Diagrams
LOW TORQUE OF THE BRAKE HYDRAULIC UNIT MOUNTING BOLTS COULD CAUSE INCREASED BRAKE PEDAL TRAVEL AND/OR POOR PEDAL FEEL IF ATTACHMENT LOOSENS.
THIS CONDITION COULD LEAD TO SEPARATION OF BRAKEHYDRAULIC UNIT FROM ITS MOUNTING BRACKET AND RESULT
REPLACE HYDRAULIC UNIT MOUNTING BOLTS.
AN IN LINE FUSIBLE LINK MAY MELT DOWN AND CAUSE A FIRE.
THE IN LINE FUSIBLE LINK LOCATED IN THE AREA OF THEPLASTIC WINDSHIELD WASHER BOTTLE BRACKET MAY, UND
THE WINDSHIELD WASHER BOTTLE BRACKET WILL BE REPLACED.
CONSUMER WAS DRIVING 40MPH WHEN THE STEERING WHEEL LOCKED UP. WHEN VEHICLE FREED UP CONSUMER LOST CONTROL, CROSSING THE CENTER LINE, BRINGING VEHICLE BACK BEFORE RUNNING INTO A DITCH AND FLIPPING OV
FAILURE OF THE THROTTLE CONTROL, THE CONSUMER WAS PULLING OUT FROM A PARKING SPACE AND PLACED THE VEHICLE FROM PARK TO REVERSE AND THE VEHICLE ACCELERATED, CAUSING THE CONSUMER TO HAVE AN ACCIDENT.
SUDDEN ACCELERATION WHILE IN REVERSE GEAR, CAUSING LOSS OF CONTROL/ACCIDENT. *SKD
OWNER STATES WHILE DRIVING VEHICLE AT 30 TO 40 MPH ,WITHOUT WARNING, THE VEHICLE'S SPEED INCREASED, CAUSING OWNER TO RUN INTO A FIELD AND INTO A CREEK.THE CRUISE CONTROL IS IN QUESTION. *AK
VEHICLE STARTED WITH A CRACKLING SOUND, THEN A LIGHT WHITE SMOKE APPEARED. SMOKE CAME FROM THE MIDDLE OF THE DASBOAD AND TURNED TO A HEAVY DARK SMOKE. DRIVER WAS UNABLE TO EXTINGUISH FIRE WHICH CAME
Showing the 5 most serious of 53 complaints filed with NHTSA.
