1984 Pontiac Fiero 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
- Sport Coupe 2-Door
- SE Coupe 2-Door
- Base Coupe 2-Door
Engines covered
- 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
DUE TO AN INTERACTION OF THE ENGINE COMPARTMENT ENVIRONMENT AND MAINTENANCE OR SERVICE RELATED FACTORS, THERE IS AN UNREASONABLE RISK OF CONNECTING ROD FAILURE AND ENGINE COMPARTMENT FIRES.
AN ENGINE COMPARTMENT FIRE CAN SPREAD TO THE PASSENGERCOMPARTMENT AND INJURE OCCUPANTS.
CORRECT OR INSTALL NEW ENGINE COMPONENTS TO PREVENT UNREASONABLE FIRE RISK.
A FRIEND WAS DRIVING MY 1984 PONTIAC FIERO WHEN THE ENGINE SUDDENLY CAUGHT FIRE. AFTER AN INVESTIGATION BY THE LOCAL FIRE DEPARTMENT, THEY DETERMINED AN OIL LIKE SUBSTANCE WAS SPRAYED ON THE MANIFOLD
CONSUMER STATES HE WAS DRIVING ON THE INTERSTATE, WHEN SMOKE STARTED COMING INTO THE VEHICLE, CONSUMER PULLED OFF THE ROADWAY AND EXITED THE VEHICLE, FIRE STARTED IN THE ENGINE COMPARTMENTDUE TO POSSI
WHILE DRIVING AT 70 MPH CONSUMER SMELLED SMOKE, PULLED OVER AND NOTICED THAT THE VEHICLE WAS ON FIRE. ANOTHER CONSUMER HELP PUT OUT THE FIRE. THE CONSUMER NOTICED THE WIRES HAD BURNED UP. THE EXHAU
CONSUMER HAD VEHICLE REPAIRED UNDER A RECALL ON THE ENGINE . OWNER STATES THAT WHILE DRIVING ON A SLOPE FIRE CAME OUT FROM THE ENGINE. THE DEALER HAS BEEN NOTIFIED ABOUT THE PROBLEM. *AK
VEHICLE WAS PARKED, LEFT VEHICLE, FIRE STARTED UNDER HOOD SUDDENLY, ENTIRE FRONT OF VEHICLE WAS BURNED. *AK
Showing the 5 most serious of 44 complaints filed with NHTSA.
