Fiero Online Service Guide

	Diagnostic/Troubleshooting Section
	General Information
	Computer System
	Cooling System
	Engine/Drivetrain
	Exterior
	Interior
	Suspension
	Miscellaneous
	Modifications
	Parts Sources

	Automatic transaxle troubleshooting
	Charging System troubleshooting
	Computer Codes
	Cooling System Troubleshooting
	Cruise Control Diagnostics
	Finding Exhaust Leaks
	Headlight system troubleshooting
	Manual transaxle troubleshooting
	Starting system troubleshooting

	Commonly used abbreviations
	Bolt size and strength info
	Broken Bolt Repair
	Cooling System info
	Cruise Control info
	Date codes on many GM parts
	Decklid RFI shield info
	(EGR) Exhaust Gas Recirculation system info
	Enduraflex body panel info
	Engine info - Chevrolet 60 degree V6 (2.8/3.1/3.4L)
	Engine info - Pontiac "Iron Duke"/"Tech IV" 2.5L L4
	Fuel Injection info
	Fuel Injector info
	Getrag 5-speed transaxle info
	Hydraulic lifter info
	Long Term Storage Suggestions
	Motor Mount info
	Motor oil viscocity info
	Option codes
	O-rings
	Preventive Maintenince Suggestions
	Recall Info
	Sensor locations
	Service Bulletins
	Service Manuals
	Suspension Info
	Timing info
	Tire info
	Tools
	Torx bolt info
	Transaxle info
	Transaxle Fluid info
	VIN Number Decoding
	Wheel info - stock and aftermarket

	(DIS) Distributorless Ignition System (87-88 L4 only)
	(ECM) Electronic Control Module Info
	(EGR) Exhaust Gas Recirculation control solenoid (V6 only)
	(IAC) Idle Air Control Valve
	(MAP) Manifold Air Pressure Sensor
	(MAT) Manifold Air Temperature Sensor (V6 only)
	(TPS) Throttle Position Sensor
	(VSS) Vehicle Speed Sensor
	Coolant Temperature Sensor
	Fuel Injectors

	Cooling System Info
	Diagnostics - cooling system
	A/C Compressor High Pressure Switch
	Bleeding the cooling system
	Coolant Fan
	Coolant Fan Motor
	Coolant Fan Switch
	Coolant Pipes
	Coolant Temperature Sensor
	Draining the cooling system
	Radiator
	Temperature gauge sending unit

	Axle Removal
	Axle Seal Removal
	Clutch
	Clutch Fork Bushings
	Cold Start Injector (V6 only)
	CV Joints
	Using Decarbonizer on your engine
	Dogbone (Reaction Strut) replacement
	Distributor O-ring replacement
	EGR lines
	EGR tube (V6 only)
	EGR valve
	Engine Removal
	Exhaust Manifolds
	Intake Manifolds
	Lifters
	Oil Pan Removal
	Oil pressure sender
	Plenum removal (V6 only)
	1.6 Ratio Rockers (V6 only)
	Shifter Cables
	Sparkplug tips
	Thermac (L4 only)
	Throttle Body Preheat (V6 only)
	Timing gear replacement
	Transaxle Removal
	Valve Covers
	Valve Stem Seals and Valve Guides
	Water Pump

	Suspension info
	Shock/Strut info/testing
	Spring info
	Wheel info - stock and aftermarket
	Front Lower Control Arms
	Front Springs
	Front Sway Bar
	Shock Absorbers
	Steering Knuckles
	Struts
	Wheel bearings
	Wheel Locks

	A/C Blower Fan
	A/C Clutch Info
	A/C Freon/Leak-finding
	A/C High Pressure Switch
	Alternator
	Battery repair
	Battery tray rust prevention
	Bleeding your clutch (or brakes)
	Brake Booster Filter
	Brake Calipers
	Brake Pads
	Brake Rotor info
	Catalytic Converter
	Clutch Line
	Clutch Pedal
	Cradle info
	Cruise Control info
	Decklid Lock info
	Decklid release info
	Decklid spring adjustment
	Door-ajar light problem solving
	Fuel filter replacement
	Fuel gauge/sender testing
	Fuel pump
	Fuel tank
	Hazard flashers
	Headlight motors
	Pickup Coil
	Shifter Cables
	Speedometer
	Transmission Lines
	Windsheild Washer pumps
	Windshield Wiper Arm replacement

	Enduraflex body panel info
	Dew Wipe replacement
	Door Hinge Pin replacement
	Fixing an uneven front fascia
	Front License Plate Bracket
	Mirrors
	Refinishing chipping/flaking aluminum wheels
	Refinishing rocker panels
	Removable engine covers
	Rear quarter panels
	Taillights - disassembling and polishing
	Window Replacement
	Replacement Emblems and Decals

	A/C Vent removal
	Center console fixes
	Chime
	Dashboard repair/removal
	Door Panel Removal
	Floormats
	Fuel gauge/sender testing
	Gear selector light replacement (automatic transaxle only)
	Headliner Removal
	Horn fix
	Leather Shifter replacement
	Map pocket removal
	Oil pressure gauge testing
	Power Door Lock lubrication
	Power Windows
	Radio wiring
	Sail Panel Removal
	Seatbelt holder replacement
	Speedometer
	Steering wheel rattle fixes
	Subwoofer Info
	Tape player repair
	Trunk Carpet Info
	Turn signal/wiper switch

	Engine cleaning
	Dash gauge "glass" cleaning
	Cleaning dirty exhaust tips
	Plenum repainting
	Rear Quarter Window cleaning
	Taillight polishing
	Wheel refinishing

	Adding Power Windows/Door Locks to a car not so equipped
	Adding a Sunroof to a car without one
	Aftermarket spoiler info
	Body Modifications
	Brake Upgrades
	Brighter "P O N T I A C" taillights (86-88 GT only)
	Installing a lower temperature coolant fan sensor
	Installing a radiator fan switch
	A fan switch one listmember installed on a ford
	Front/rear fascia swaps
	Intake modification to incrase airflow
	Jacobs ignition info
	Koni shock absorber adjustment
	Parking Brake alarm chime removal
	Louvered Engine Cover modification
	Mirror modification
	Poly/Urethane Suspension Bushing info
	Power Antenna installation
	Radio Modifications
	Rear Sway Bar addition
	Rear Wing (spoiler) theft protection
	Retained Power feature
	Short Shifter
	Speedometer Swap (85 to 120MPH)
	Steering damper
	Sunroof leak prevention
	Temperature Gauge Modification to stop sticking
	Windage Tray info
	Auto to manual transaxle swaps
	Engine Swap info
	Engine Swap Pictures
	3400 Twin Dual Cam V6 swap info
	3800 V6 engine swap info
	Quad 4 engine swap info
	Pontiac Super Duty 4 info

	AAI - Associated Auto, Inc.
	ACE - American Custom Engineering
	AIM Concepts
	ASPP - Auto Sport Performance Products, Inc.
	Rodney Dickman
	Euro-Works
	Southern Custom - The Fiero Factory
	FOCOA - Fiero Owner's Club of America
	Sabex Racing - The Fiero Shop
	The Fiero Store
	Gary Zumalt
	IRM - International Research Motorsports, Inc.
	Kick Hill Farm
	Mark's Custom Kits, Inc.
	Mister Mike's Kit Car Interiors
	PISA Corp.
	RCC Specialty Products
	Ryane Motor Sports
	V8 Archie
	Warlock Designs
	Webb's Creative Laminations

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