1984 Pontiac Grand Prix 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.
Designed for technicians and DIY owners, this manual helps you diagnose issues correctly, follow proven repair steps, and use wiring diagrams and system sections to track faults faster.
What’s included
- Step-by-step repair procedures and service information
- Specifications and reference data (where provided)
- Electrical diagnostics with wiring diagrams
- Coverage across major systems: engine, transmission/driveline, brakes, steering, suspension, HVAC, and more
Trims covered
- Brougham Coupe 2-Door
- Base Coupe 2-Door
- LE Coupe 2-Door
Engines covered
- 5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated
- 3.8L 3800CC 231Cu. In. V6 GAS OHV Naturally Aspirated
- 5.7L 350Cu. In. V8 DIESEL 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
SOME VEHICLES HAVE BUCKET SEAT BACK LOCKS THAT DO NOT CONFORM TO FEDERAL MOTOR VEHICLE SAFETY STANDARD 207, ANCHORAGE OF SEATS. IN EVENT OF A CRASH, THE SEAT BACK LOCK MAY NOT FUNCTION.
INSPECTION OF SEAT BACK LOCKS WILL BE PERFORMED. LOCKS THAT HAVE BENT, BROKEN OR MISSING HOOKS WILL
THE OHIO STATE HIGHWAY PATROL REPORTED THAT VEHICLE CAUGHT ON FIRE, OCCUPANTS LEFT THE SEEN BEFORE OFFICER ARRIVED. *YD
BRAKES FAILED.
FAILURE ON THE BRAKE PEDAL, WHEN YOU APPLY FORCE TO THE BRAKES, THE VEHICLE CONTINUES TO MOVE. *AK *SLC
