1986 Buick Electra 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
- T-Type Coupe 2-Door
- T-Type Sedan 4-Door
- Limited Coupe 2-Door
- Park Avenue Coupe 2-Door
- Limited Sedan 4-Door
- Park Avenue Sedan 4-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
THE PUSH PULL HEADLIGHT SWITCH MAY HAVE ELECTRICAL CONTACTS WHICH ALLOW AN INTERMITTENT HEADLIGHT CIRCUIT CAUSING HEADLIGHT TO FLICKER OR SUDDENLY GO OUT.
REPLACE HEADLIGHT SWITCH AS NECESSARY.
THERE MAY NOT BE ENOUGH CLEARANCE BETWEEN THE POWER STEERING PUMP RETURN HOSE AND THE ENGINE EXHAUST MANIFOLD.
REPLACE AND CORRECTLY ROUTE HOSE, AS NECESSARY.
THE CRANK SENSOR-WHICH CONTROLS ENGINE TIMING-THE BRACKET ITS HOUSED IN CAN WORK LOOSE DURING NORMAL DRIVING CAUSING THE SENSOR TO MOVE AWAY FROM THE MAGNET CAUSING THE ENGINE TO STALL W/NO WARNING.
DRIVING AT APPROXIMATELY 65 MPH POWER ASSIST WITHIN BRAKE SYSTEM FAILED WITHOUT WARNING, CAUSING THE CONSUMER TO PULL EMERGENCY BRAKE IN ORDER TO AVOID ACCIDENT. DEALER HAD REPLACED BRAKE SYSYTEM, BU
RECEIVED RECALL NOTICE 87V613000, ABS BRAKES. TOOK VEHICLE FOR REPAIRS. WORK WAS DONE. PROBLEM STILL EXISTS. TOOK VEHICLE BACK. MECHANIC SAID SWITCH WAS DEFECTIVE. ORDERED ANOTHER FROM MANUFACTURER.
BRAKE SENSOR REPAIRED UNDER RECALL WORK DONE, HOWEVER NEW SENSOR WAS DEFECTIVE CAUSING BRAKE PUMP TO FAIL.
TRANSMISSION FAILURE, TWICE.
Showing the 5 most serious of 15 complaints filed with NHTSA.
