1989 Pontiac Firebird Service and Repair Manual

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Factory-Grade Data

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

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Vehicle Safety Data

1989 Pontiac Firebird Recalls & Complaints

NHTSA #07E08800024/10/2007Component: EQUIPMENT

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

Consequence

THIS CONDITION MAY CAUSE INADEQUATE SEALING AND LOSS OF ENGINE OIL, POSSIBLY RESULTING IN A FIRE.

Remedy

HONEYWELL WILL REPLACE THE AFFECTED OIL FILTERS FREE OF CHARGE. THE RECALL BEGAN DURING NOVEMBER 20

NHTSA #06E04300019/05/2006Component: FUEL SYSTEM, GASOLINE

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

Consequence

THIS CONDITION MAY CAUSE AN INADEQUATE SEAL AT THE CONNECTION, POTENTIALLY LEADING TO A FUEL LEAK. I

Remedy

HONEYWELL WILL NOTIFY OWNERS AND REPLACE THE FUEL FILTERS FREE OF CHARGE. THE RECALL BEGAN ON OCTOB

NHTSA #90V10500014/05/1990Component: SEAT BELTS:FRONT:BUCKLE ASSEMBLY

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.

Consequence

THIS COULD RESULT IN BREAKAGE OF PLASTIC COMPONENTS WHICHCOULD PREVENT BUCKLE FROM LATCHING AND PROT

Remedy

REPLACE OR REPAIR SEAT BELT BUCKLE.

NHTSA #90V11500012/06/1990Component: FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS

FUEL FEED HOSES MAY PULL OUT OF THE CRIMPED COUPLING AT THE ENGINE END OF THE HOSE ASSEMBLY.

Consequence

IF THIS COUPLING SEPARATED, ALLOWING GASOLINE TO LEAK,AND AN IGNITION SOURCE IS PRESENT, AN ENGINE C

Remedy

INSTALL A REDESIGNED FUEL FEED HOSE.

TSB #10006297

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

19970527Component: SEAT BELTS:FRONT:RETRACTORCrash reported1 injured

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

19970527Component: SEAT BELTS:FRONT:BUCKLE ASSEMBLYCrash reported1 injured

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

19981112Component: SERVICE BRAKES, HYDRAULIC:POWER ASSIST:VACUUMCrash reported

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

19971107Component: VEHICLE SPEED CONTROLCrash reported

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

19960311Component: STEERING:HYDRAULIC POWER ASSIST SYSTEMCrash reported

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.

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