1989 Pontiac Firebird 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
- Formula Coupe 2-Door
- Trans Am GTA Coupe 2-Door
- Trans Am Coupe 2-Door
- Trans Am GTA SE Coupe 2-Door
- Trans Am GTA Convertible 2-Door
- Base Coupe 2-Door
Engines covered
- 5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated
- 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated
- 3.8L 3800CC 231Cu. In. V6 GAS OHV Turbocharged
- 2.8L 173Cu. 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
CERTAIN HONEYWELL FRAM RACING BRAND HP4 AND HP8 OIL FILTERS THAT WERE MANUFACTURED FROM MAY 25, 2006, THROUGH SEPTEMBER 14, 2007, AND SOLD FOR USE AS REPLACEMENT EQUIPMENT FOR VEHICLES LIST ABOVE. TH
THIS CONDITION MAY CAUSE INADEQUATE SEALING AND LOSS OF ENGINE OIL, POSSIBLY RESULTING IN A FIRE.
HONEYWELL WILL REPLACE THE AFFECTED OIL FILTERS FREE OF CHARGE. THE RECALL BEGAN DURING NOVEMBER 20
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
PLASTIC COMPONENTS OF SEAT BELT BUCKLE ASSEMBLIES DO NOT CONTAIN AN ULTRA VIOLET STABILIZER, AND EXPOSURE TO DIRECT SUNLIGHT AND ELEVATED INTERIOR TEMPERATURES COULD WEAKEN THE PLASTIC COMPONENTS.
THIS COULD RESULT IN BREAKAGE OF PLASTIC COMPONENTS WHICHCOULD PREVENT BUCKLE FROM LATCHING AND PROT
REPLACE OR REPAIR SEAT BELT BUCKLE.
FUEL FEED HOSES MAY PULL OUT OF THE CRIMPED COUPLING AT THE ENGINE END OF THE HOSE ASSEMBLY.
IF THIS COUPLING SEPARATED, ALLOWING GASOLINE TO LEAK,AND AN IGNITION SOURCE IS PRESENT, AN ENGINE C
INSTALL A REDESIGNED FUEL FEED HOSE.
NO SERIAL DATA COMMUNICATIONS USING THE TECH 1 WITH A 1986 OR NEWER CAMARO, FIREBIRD OR CORVETTE WITH A 5.0 OR 5.7 LITRE ENGINE. SIT BULLETIN 1450640. *TT
WHILE DRIVING STOPPED SHORT TO AVOID COLLISION, WAS REAR ENDED AT APPROX. 25MPH; UPON IMPACT, SHOULDER/LAP BELT FAILED TO RETRACT ENOUGH. ALSO, FEMALE PORTION (PLASTIC COVER) BUCKLE ASSEMBLY CRACKED
WHILE DRIVING STOPPED SHORT TO AVOID COLLISION, WAS REAR ENDED AT APPROX. 25MPH; UPON IMPACT, SHOULDER/LAP BELT FAILED TO RETRACT ENOUGH. ALSO, FEMALE PORTION (PLASTIC COVER) BUCKLE ASSEMBLY CRACKED
WHEN SON APPLIED THE BRAKES TO STOP IN AN EMERGENCY SITUATION THE PEDAL WENT TO FLOOR AND THE VEHICLE WOULD NOT STOP. DRIVER HAD TO USE THE EMERGENCY BRAKES TO STOP THE VEHICLE. DRIVER WAS INVOLVED I
WHILE DRIVER WAS BACKING OUT OF DRIVEWAY, THE ENGINE SURGED LIKE THE DRIVER WAS STEPPING ON THE ACCELERATOR PEDAL. WHEN THE DRIVER'S FOOT WAS ACTUALLY ON THE BRAKE PEDAL AND VEHICLE ZOOMED RIGHT OUT
WHILE DRIVING, SUDDENLY LOST STEERING CAPABILITY WHEN STEERING WHEEL LOCKED, COULDN'T TURN RIGHT OR LEFT, UPON BRAKING VEHICLE SPINNED OUT, THEN ROLLED OVER.*AK
Showing the 5 most serious of 23 complaints filed with NHTSA.
