1986 Fiero GT Owners Manual

The 1986 Pontiac Fiero GT is a mid-engine sports car featuring a 2.8L V6 engine, 5-speed manual transmission, sport suspension, aerodynamic body kit, pop-up headlights, and distinctive rear spoiler. This manual covers operation, maintenance, specifications, and troubleshooting for your Fiero GT. Below are key sections for vehicle features, operation procedures, maintenance schedules, specifications, and technical information.

1. Vehicle Features 2. Instrument Panel 3. Starting & Operation 4. Specifications 5. Maintenance Schedule 6. Fluid Capacities 7. Tire Information 8. Electrical System 9. Troubleshooting 10. Warranty Information

Vehicle Features

Key components: Mid-engine layout, 2.8L V6 engine, 5-speed manual transmission, sport suspension, power steering, air conditioning, AM/FM stereo, sport seats.

FeatureDescription
Engine2.8L V6 MFI (Multi-Port Fuel Injection)
Transmission5-speed manual with overdrive
SuspensionSport-tuned with front and rear stabilizer bars
BrakesPower front disc/rear drum with ABS
SteeringPower-assisted rack and pinion
Wheels15-inch aluminum alloy wheels
TiresP215/60R15 all-season radial
SeatingSport bucket seats with adjustable lumbar support
AudioAM/FM stereo with cassette player
Climate ControlManual air conditioning system

Instrument Panel

Familiarize yourself with the instrument cluster and controls.

  1. Speedometer: 0-85 mph with trip odometer
  2. Tachometer: 0-7000 rpm with redline at 5500 rpm
  3. Fuel gauge: Monitor fuel level regularly
  4. Temperature gauge: Engine coolant temperature
  5. Warning lights: Oil pressure, brake, check engine, battery
  6. Controls: Headlight switch, wiper controls, climate controls

WARNING! Never ignore warning lights; stop vehicle immediately if red warning lights illuminate.

Starting & Operation

Proper starting and driving procedures for your Fiero GT.

  1. Starting: Depress clutch, turn key to start position
  2. Shifting: Use clutch fully when shifting gears
  3. Parking: Engage parking brake on inclines
  4. Headlights: Rotate switch for parking/headlights, pull for high beams
  5. Wipers: Rotate control for intermittent/low/high speed
  6. Climate: Adjust temperature, fan speed, and vent selection

CAUTION! Allow engine to warm up before aggressive driving. Never shift without depressing clutch fully.

Specifications

Maintenance Schedule

Regular maintenance ensures optimal performance and longevity.

Every 3,000 miles: Oil and filter change, tire rotation

Every 6,000 miles: Inspect brakes, check fluid levels

Every 15,000 miles: Replace air filter, inspect belts and hoses

Every 30,000 miles: Replace spark plugs, check ignition timing

Every 60,000 miles: Replace timing belt, inspect clutch

Engine Oil: Check level weekly when engine is cool

Fluid Capacities

Proper fluid types and capacities for your Fiero GT.

FluidCapacityType
Engine Oil4.5 quarts10W-30
Coolant10.5 quarts50/50 antifreeze/water
Transmission3.5 pintsGM Manual Transmission Fluid
Fuel Tank10.2 gallons87 octane unleaded
Brake FluidAs neededDOT 3

Tire Information

Tire maintenance and specifications for optimal performance.

  1. Tire Size: P215/60R15
  2. Inflation: 32 psi front, 30 psi rear (cold)
  3. Rotation: Every 3,000 miles front to rear
  4. Spare: Compact temporary spare tire
  5. Lug Nut Torque: 100 lb-ft

Tip: Check tire pressure monthly and before long trips. Inspect for wear and damage regularly.

Electrical System

Battery, charging system, and electrical components.

  1. Battery: 12V, 60Ah maintenance-free
  2. Alternator: 85 amp output
  3. Fuses: Located in interior fuse panel
  4. Bulbs: Headlight 4656, brake/tail 2057, turn signal 1156
  5. Charging: Battery should read 12.6V when fully charged

WARNING! Disconnect battery before electrical work. Avoid short circuits.

Troubleshooting

SymptomPossible CauseCorrective Action
Engine won't startBattery, fuel, ignitionCheck battery charge, fuel level, spark plugs
Rough idleSpark plugs, vacuum leakReplace plugs, check vacuum lines
OverheatingCoolant level, thermostatCheck coolant, replace thermostat if stuck
Brake vibrationWarped rotorsResurface or replace brake rotors
Clutch slippingWorn clutchAdjust or replace clutch assembly

Service: Contact authorized Pontiac dealer for major repairs

Emergency: Keep roadside assistance number in glove compartment

Warranty Information

1986 Pontiac Fiero GT comes with 12-month/12,000-mile basic warranty and 5-year/50,000-mile powertrain warranty. Warranty covers defects in materials and workmanship. Normal maintenance items and wear components excluded. Keep maintenance records for warranty claims.

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