1986 Pontiac Firebird Service and Repair Manual

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Factory-Grade Data

1986 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

  • Trans Am Coupe 2-Door
  • Base Coupe 2-Door
  • S/E Coupe 2-Door

Engines covered

  • 5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated
  • 2.8L 173Cu. In. V6 GAS OHV Naturally Aspirated
  • 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

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Vehicle Safety Data

1986 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 #91V05500011/04/1991Component: PARKING BRAKE:CONVENTIONAL

PARKING BRAKE ADJUSTER FAILS TO OPERATE AND DO NOT WORK AFTER BRAKE PAD WEAR.

Consequence

PARKING BRAKES WILL NOT COMPLETELY HOLD A PARKED VEHICLEWHEN PARKED ON A SLOPE, CAUSING UNINTENDED V

Remedy

REPLACE NONFUNCTIONING PARKING BRAKE ADJUSTERS.

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

19950801Component: SEAT BELTS:FRONT:ANCHORAGECrash reported1 injured

VEHICLE WAS ON RECALL/90C03 WAS PERFORMED AND ACCIDENT OCCURED PASSENGER SEAT BELT FAILED PASSENGER HIT THE WINDSHIELD. TT

19950801Component: SEAT BELTS:FRONT:ANCHORAGECrash reported1 injured

VEHICLE WAS ON RECALL/90C03 WAS PERFORMED AND ACCIDENT OCCURED PASSENGER SEAT BELT FAILED PASSENGER HIT THE WINDSHIELD. TT

19971208Component: STEERING:COLUMN LOCKING:ANTI-THEFT DEVICEFire reported

ELECTRICAL SHORT IN THE ALARM SYSTEM RESULTED IN FIRE.

20040624Component: SEAT BELTS:FRONT:BUCKLE ASSEMBLY

CONSUMER RECEIVED RECALL 90V105000 CONCERNING ACTIVE RESTRAINT: BELT BUCKLES: RECALL REPAIRS WERE DONE, BUT THE PROBLEM RECURRED. DEALER HAS CHARGED THE CONSUMER FOR DOING THE RECALL REPAIRS FOR

20020304Component: SEAT BELTS:FRONT:ANCHORAGE

SEAT BELT CASINGS IN THE FRONT BACK ARE CRACKING. SEAT BELT COMES OUT OF VEHICLE. CONTACTED DEALER. *AK CONSUMER STATES THAT THE BUCKLES HAVE RELEASED ON SEVERAL OCCASIONS. *SLC

Showing the 5 most serious of 27 complaints filed with NHTSA.

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