1987 Buick Century 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
- Custom Wagon 4-Door
- Custom Coupe 2-Door
- Limited Coupe 2-Door
- Custom Sedan 4-Door
- Limited Sedan 4-Door
- Base Coupe 2-Door
Engines covered
- 2.8L 173Cu. In. V6 GAS OHV Naturally Aspirated
- 3.8L 3800CC 231Cu. In. V6 GAS OHV Naturally Aspirated
- 2.5L 2474CC 151Cu. In. l4 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
CERTAIN REPLACEMENT FUEL FILTERS, FRAM BRAND NAME P/N G3727, WITH DATE CODES X52911 THROUGH X60801 SEQUENTIALLY OR X600141 AND A MEXICO COUNTRY OR ORIGIN MARKING ON THE FUEL FILTER HOUSING MANUFACTURE
THIS CONDITION MAY CAUSE AN INADEQUATE SEAL AT THE CONNECTION, POTENTIALLY LEADING TO A FUEL LEAK. I
HONEYWELL WILL NOTIFY OWNERS AND REPLACE THE FUEL FILTERS FREE OF CHARGE. THE RECALL BEGAN ON OCTOB
WHEN PUT INTO GEAR THE CAR ACCELERATED OVER A BANK INTO A BROOK. FOOT WAS NOT ON PEDAL GAS PEDAL. VEHICLE WAS TOTALED. *AK
WHEN THE VEHICLE WAS IN PARK THE ENGINE REVED AND WENT INTO REVERSE WHILE IN PARK. PLEASE DESCRIBE. *AK
I FILED A COMPLAINT IN JUNE 1998 WITH NO RESPONSE YET. PLEASE ADVISE ME OF STATUS OF MY COMPLAINT/OUTCOME. INCOMPLETE SUMMARY, NO DEFECT MENTIONED. *AK
IN 1992 THE MAXIGUARD ANTI-THEFT AFTERMAKET DEVICE WAS INSTALLED. THE MAXIGUARD ANTI-THEFT DEVICE WIRES CAUGHT ON FIRE AND CAUSED DAMAGE TO THE VEHICLE. CAUSE OF THE FIRE WAS A SHORT IN THE ANTI-THEF
MY MOTHER HAS A BUICK THAT SHE HAD FIRESTONE RADIAL TIRES INSTALLED ON THE FRONT. THE TIRES, P185/75R14 HAD A BELT BREAK IN THEM WITHIN ONE WEEK OF EACH OTHER. THE DEALER SHE BOUGHT THEM FROM REFUSE
Showing the 5 most serious of 32 complaints filed with NHTSA.
