Repair and Diagnosis
- A L L Diagnostic Trouble Codes ( DTC )
- Relays and Modules
- Relays and Modules - Accessories and Optional Equipment
- Relays and Modules - Body and Frame
- Relays and Modules - Brakes and Traction Control
- Relays and Modules - Cooling System
- Relays and Modules - Cruise Control
- Relays and Modules - HVAC
- Relays and Modules - Instrument Panel
- Relays and Modules - Lighting and Horns
- Relays and Modules - Power and Ground Distribution
- Relays and Modules - Powertrain Management
- Relays and Modules - Restraints and Safety Systems
- Relays and Modules - Steering and Suspension
- Relays and Modules - Windows and Glass
- Relays and Modules - Wiper and Washer Systems
- Sensors and Switches
- Sensors and Switches - Body and Frame
- Sensors and Switches - Brakes and Traction Control
- Sensors and Switches - Cooling System
- Sensors and Switches - Cruise Control
- Sensors and Switches - Engine
- Sensors and Switches - HVAC
- Sensors and Switches - Instrument Panel
- Sensors and Switches - Lighting and Horns
- Sensors and Switches - Powertrain Management
- Sensors and Switches - Computers and Control Systems
- Barometric Pressure Sensor
- Coolant Temperature Sensor/Switch (For Computer)
- Crankshaft Position Sensor
- Air Temperature Sensor ( Ambient / Intake )
- Knock Sensor
- Manifold Pressure/Vacuum Sensor
- Oil Pressure Sensor
- Oxygen Sensor
- Power Steering Pressure Switch
- Throttle Position Sensor
- Transmission Position Sensor/Switch
- Vehicle Speed Sensor
- Sensors and Switches - Fuel Delivery and Air Induction
- Sensors and Switches - Ignition System
- Sensors and Switches - Computers and Control Systems
- Sensors and Switches - Restraints and Safety Systems
- Sensors and Switches - Starting and Charging
- Sensors and Switches - Steering and Suspension
- Sensors and Switches - Transmission and Drivetrain
- Sensors and Switches - Windows and Glass
- Sensors and Switches - Wiper and Washer Systems
- Maintenance
- Alignment
- Tune-up and Engine Performance Checks
- Drive Belt
- Filters
- Hoses
- Fluids
- Brake Bleeding
- Fuses and Circuit Breakers
- Service Reminder Indicators
- Wheels and Tires
- Application and ID
- Service Intervals
- Severe Service Defined
- Routine Service
- Normal Service
- 7500 MI or 12000 KM
- 15000 MI or 24000 KM
- 22500 MI or 36000 KM
- 30000 MI or 48000 KM
- 37500 MI or 60000 KM
- 45000 MI or 72000 KM
- 52500 MI or 84000 KM
- 60000 MI or 96000 KM
- 67500 MI or 108000 KM
- 75000 MI or 120000 KM
- 82500 MI or 132000 KM
- 90000 MI or 144000 KM
- 97500 MI or 156000 KM
- 100000 MI or 160000 KM
- 105000 MI or 168000 KM
- 112500 MI or 180000 KM
- 120000 MI or 192000 KM
- Severe Service
- 3000 MI or 4800 KM
- 6000 MI or 9600 KM
- 9000 MI or 14400 KM
- 12000 MI or 19200 KM
- 15000 MI or 24000 KM
- 18000 MI or 28800 KM
- 21000 MI or 33600 KM
- 24000 MI or 38400 KM
- 27000 MI or 43200 KM
- 30000 MI or 48000 KM
- 33000 MI or 52800 KM
- 36000 MI or 57600 KM
- 39000 MI or 62400 KM
- 42000 MI or 67200 KM
- 45000 MI or 72000 KM
- 48000 MI or 76800 KM
- 51000 MI or 81600 KM
- 54000 MI or 86400 KM
- 57000 MI or 91200 KM
- 60000 MI or 96000 KM
- 63000 MI or 100800 KM
- 66000 MI or 105600 KM
- 69000 MI or 110400 KM
- 72000 MI or 115200 KM
- 75000 MI or 120000 KM
- 78000 MI or 124800 KM
- 81000 MI or 129600 KM
- 84000 MI or 134400 KM
- 87000 MI or 139200 KM
- 90000 MI or 144000 KM
- 93000 MI or 148800 KM
- 96000 MI or 153600 KM
- 99000 MI or 158400 KM
- 102000 MI or 163200 KM
- 105000 MI or 168000 KM
- 108000 MI or 172800 KM
- 111000 MI or 177600 KM
- 114000 MI or 182400 KM
- 117000 MI or 187200 KM
- 120000 MI or 192000 KM
- 123000 MI or 196800 KM
- 126000 MI or 201600 KM
- 129000 MI or 206400 KM
- 132000 MI or 211200 KM
- 135000 MI or 216000 KM
- 138000 MI or 220800 KM
- 141000 MI or 225600 KM
- 144000 MI or 230400 KM
- 147000 MI or 235200 KM
- 150000 MI or 240000 KM
Service and Repair
Specifications
Technical Service Bulletins
- Engine, Cooling and Exhaust
- Engine
- Compression Check
- Camshaft, Lifters and Push Rods
- Cylinder Block Assembly
- Cylinder Head Assembly
- Drive Belts, Mounts, Brackets and Accessories
- Engine Lubrication
- Intake Manifold
- Lamps and Indicators - Engine
- Seals and Gaskets
- Sensors and Switches - Engine
- Timing Components
- Tune-up and Engine Performance Checks
- Water Pump
Testing and Inspection- Compression Pressure
- Engine Noise Diagnosis
- Knocks at Idle Hot
- Knocks on Initial Start-Up But Only Lasts A Few Seconds
- Light Knock Hot
- Heavy Knock Hot With Torque Applied
- Knocks Cold and Continues For 2-3 Minutes Increases W/Torque
- Engine Knocking
- Flywheel Noises
- Valve Mechanism or Valve Train Noises
- Piston Knocking Noise
- Timing Gear or Chain and Sprocket Noises
- Connecting Rod Bearing Noise
- Preliminary Diagnosis
- Main Bearing Noise
- Excessive Oil Loss or Consumption
- Service and Repair
Diagrams- Specifications
- Technical Service Bulletins
Tools and Equipment- Front Cover Aligner and Oil Seal Installer
- Rear Main Bearing Oil Seal Installer
- Camshaft Bearing Remover and Installer
- Torque Angle Meter
- Crankshaft Balancer Installer
- Engine Support Fixture
- Crankshaft Balancer Remover
- Piston Pin Remover and Replacer Set
- Hand Vacuum Pump
- Belt Tension Gage
- Spark Plug Port Adapter
- Oil Suction Pipe Installer
- Cam Lift Lobe Indicator
- Valve Guide Cleaner
- Cylinder Bore Checking Gage
- Valve Spring Tester
- Piston Ring Compressor
- Dial Indicator
- Valve Spring Compressor
- Cooling System
- Coolant
- Coolant Drain Plug
- Coolant Level Indicator Lamp
- Coolant Level Sensor
- Radiator Cooling Fan
- Engine - Coolant Temperature Sensor/Switch
- Heater Core
- Lamps and Indicators - Cooling System
- Radiator
- Radiator Cap
- Radiator Hose
- Relays and Modules - Cooling System
- Sensors and Switches - Cooling System
- Temperature Gauge
- Temperature Warning Lamp/Indicator
- Thermostat
- Water Pump
Service Precautions
Description and Operation- Testing and Inspection
Locations- Service and Repair
- Specifications
- Technical Service Bulletins
- Tools and Equipment
- Fundamentals and Basics
- Exhaust System
- Technical Service Bulletins
- Engine
- Powertrain Management
- Relays and Modules - Powertrain Management
- Sensors and Switches - Powertrain Management
- Sensors and Switches - Computers and Control Systems
- Barometric Pressure Sensor
- Coolant Temperature Sensor/Switch (For Computer)
- Crankshaft Position Sensor
- Air Temperature Sensor ( Ambient / Intake )
- Knock Sensor
- Manifold Pressure/Vacuum Sensor
- Oil Pressure Sensor
- Oxygen Sensor
- Power Steering Pressure Switch
- Throttle Position Sensor
- Transmission Position Sensor/Switch
- Vehicle Speed Sensor
- Sensors and Switches - Fuel Delivery and Air Induction
- Sensors and Switches - Ignition System
- Sensors and Switches - Computers and Control Systems
- Tune-up and Engine Performance Checks
- Computers and Control Systems
- Air Temperature Sensor ( Ambient / Intake )
- Barometric Pressure Sensor
- Coolant Temperature Sensor/Switch (For Computer)
- Crankshaft Position Sensor
- Engine Control Module
- Idle Speed/Throttle Actuator - Electronic
- Idle Up Control Valve
- Idle/Throttle Speed Control Unit
- Knock Sensor
- Malfunction Indicator Lamp
- Manifold Pressure/Vacuum Sensor
- Memory Calibration Unit
- Oil Pressure Sensor
- Output Driver
- Oxygen Sensor
- Power Steering Pressure Switch
- Relays and Modules - Computers and Control Systems
- Sensors and Switches - Computers and Control Systems
- Barometric Pressure Sensor
- Coolant Temperature Sensor/Switch (For Computer)
- Crankshaft Position Sensor
- Air Temperature Sensor ( Ambient / Intake )
- Knock Sensor
- Manifold Pressure/Vacuum Sensor
- Oil Pressure Sensor
- Oxygen Sensor
- Power Steering Pressure Switch
- Throttle Position Sensor
- Transmission Position Sensor/Switch
- Vehicle Speed Sensor
- Throttle Position Sensor
- Transmission Position Sensor/Switch
- Vehicle Speed Sensor
- Description and Operation
- Testing and Inspection
- Initial Inspection and Diagnostic Overview
- Reading and Clearing Diagnostic Trouble Codes
- Symptom Related Diagnostic Procedures
- - A-E Charts & Related Test Procedures
- - Diagnosis By Symptom
- - Diagnostic Notes
- - Intermittent Diagnosis
- Backfires
- Cuts Out/Misses
- Detonation/Spark Knock/Pings
- Dieseling/Run-On
- Engine Cranks, But Will Not Run
- Excessive Exhaust Emissions (Odors)
- Excessive Odors - Fuel, Emissions
- Hard Starting
- Hesitation or Stalls on Acceleration
- Hesitation, Sag, Stumble
- High CO and HC at Idle
- High CO at High RPM
- High CO, Low or Normal HC at Idle
- High HC and CO at High RPM
- High HC at High RPM
- High HC, Low or Normal CO at Idle
- Lack of Power/Sluggish/Spongy/Stumble
- Misses Under Load
- Poor Fuel Economy
- Rough, Unstable, or Incorrect Idle, Stalling
- Stalls at Idle, Deceleration
- Starts, But Stalls
- Surge, Hesitation, Stall on Acceleration
- Surges at Steady Speed
- Surges/Chuggles
- Component Tests and General Diagnostics
- Scan Tool Testing and Procedures
Adjustments- Diagrams
- Specifications
- Technical Service Bulletins
- Emission Control Systems
- Fuel Delivery and Air Induction
- Fuel Pressure
- Fuel Pressure Release
- Idle Speed
- Accelerator Pedal
- Air Cleaner Housing
- Diagnostic Connector - Fuel Pump
- Fuel
- Fuel Filter
- Fuel Injector
- Fuel Pressure Regulator
- Fuel Pressure Test Port
- Fuel Pump
- Fuel Rail
- Fuel Return Line
- Fuel Supply Line
- Fuel Tank
- Fuel Tank Unit
- Idle Speed/Throttle Actuator - Electronic
- Idle Up Control Valve
- Idle/Throttle Speed Control Unit
- Intake Air Plenum
- Relays and Modules - Fuel Delivery and Air Induction
- Sensors and Switches - Fuel Delivery and Air Induction
- Throttle Body
- Throttle Cable/Linkage
- Throttle Position Sensor
- Turbocharger
- Service Precautions
- Application and ID
- Description and Operation
- Locations
- Service and Repair
- Diagrams
- Specifications
- Technical Service Bulletins
- Tools and Equipment
- Ignition System
- Firing Order
- Ignition Timing
- Crankshaft Position Sensor
- Distributor
- Ignition Cable
- Ignition Coil
- Ignition Control Module
- Knock Sensor
- Relays and Modules - Ignition System
- Sensors and Switches - Ignition System
- Spark Plug
- Application and ID
- Description and Operation
- Locations
- Technical Service Bulletins
- Tools and Equipment
- Transmission Control Systems
- PROM - Programmable Read Only Memory
- Service Precautions
- Application and ID
- Locations
- Diagrams
- Diagram Information and Instructions
- Diagnostic Aids
- Electrical Diagrams
- Automatic Transmission/Transaxle Controls
- Direct Ignition System
- Electronic EGR, Vapor Canister Purge Solenoid
- Electronic/Powertrain Control Module (ECM/PCM)
- Engine Data Sensors & Vehicle Data Sensors
- Fuel Control & Fuel Injectors
- Idle Air Control (IAC)
- Power, Grounds & Service Engine Soon Indicator
- Vehicle Speed Sensor (VSS)
- Technical Service Bulletins
- Transmission and Drivetrain
- Actuators and Solenoids - Transmission and Drivetrain
- Automatic Transmission/Transaxle
- Actuators and Solenoids - A/T
- Accumulator
- Band
- Band Apply Servo
- Case
- Clutch
- Differential
- Drive Chain
- Fluid - A/T
- Fluid Filter - A/T
- Fluid Pan
- Fluid Pump
- Governor
- Output Shaft
- Parking Pawl
- Planetary Gears
- Seals and Gaskets
- Sensors and Switches - A/T
- Shift Linkage
- Shift Modulator
- Sun Gear
- Throttle Valve Cable/Linkage
- Torque Converter Clutch
- Torque Converter Clutch Solenoid
- Transmission Cooler
- Transmission Position Sensor/Switch
- Transmission Temperature Sensor/Switch
- Valve Body
- Application and ID
- Description and Operation
- Testing and Inspection
- Initial Inspection and Diagnostic Overview
- Symptom Related Diagnostic Procedures
- Converter Clutch Does Not Release
- Delayed Engagement
- Harsh N-D or D-N Shift
- Harsh Engagement or Shutter In Reverse
- Harsh or Soft 1-2 Shift
- Harsh or Soft 2-3 Shift
- Harsh or Soft 3-4 Shift
- Harsh 2-1 Downshift
- Harsh 3-2 Downshift
- Harsh 4-3 Downshift
- Incorrect Shift Speed
- No Converter Clutch Operation
- No Drive In Drive Range
- No Reverse In R Range
- No 1-2 Upshift, 1ST Speed Only
- No 2-3 Upshift, 1ST & 2ND Speeds Only
- No 3-4 Upshift
- Oil Forced Out Vent or Foaming Oil
- Oil Leak
- Oil Pressure High or Low
- Rough Torque Converter Clutch Operation
- Slips In Drive
- Slips In Reverse
- Will Not Hold In Park
- 2ND Gear Starts
- Component Tests and General Diagnostics
- Locations
- Service and Repair
- Diagrams
- Diagram Information and Instructions
- Diagnostic Aids
- Exploded Views
- Accumulator Cover & Governor Pipes
- Channel Plate (Case Side)
- Control Valve Assembly
- Driven Sprocket Support
- Final Drive Assembly
- Input & Reaction Carriers
- Input Clutch Assembly
- Internal Components
- Manual Linkage
- Oil Pump Assembly
- Servo Pipe Assembly
- Sprag & Roller Clutch Assembly
- Transaxle Case & Components
- 1-2 & Reverse Servo Assemblies
- 4TH Clutch & Components
- Electrical Diagrams
- Fluid Diagrams
- Specifications
- Technical Service Bulletins
- Clutch
- Continuously Variable Transmission/Transaxle
- Differential Assembly
- Drive Axles, Bearings and Joints
- Drive/Propeller Shafts, Bearings and Joints
- Flex Plate
- Manual Transmission/Transaxle
- Sensors and Switches - Transmission and Drivetrain
- Transfer Case
- Transmission Control Systems
- Diagrams
- Specifications
- Technical Service Bulletins
- Brakes and Traction Control
- Antilock Brakes / Traction Control Systems
- Brake Bleeding
- Brake Pedal Assy
- Brake Warning Indicator
- Disc Brake System
- Drum Brake System
- Hydraulic System
- Parking Brake System
- Power Brake Assist
- Relays and Modules - Brakes and Traction Control
- Sensors and Switches - Brakes and Traction Control
- Service Precautions
- Testing and Inspection
- Technical Service Bulletins
- Starting and Charging
- Sensors and Switches - Starting and Charging
- Battery
- Charging System
- Starting System
- Power and Ground Distribution
- Circuit Breaker
- Diode
- Electrical Accessory Panel
- Fuse
- Fuse Block
- Fusible Link
- Ground Strap
- Grounding Point
- Multiple Junction Connector
- Relays and Modules - Power and Ground Distribution
- Relay Box
- Wiring Harness
- Diagrams
- Technical Service Bulletins
- Testing and Inspection
- Diagrams
- Technical Service Bulletins
- Power and Ground Distribution
- Circuit Breaker
- Diode
- Electrical Accessory Panel
- Fuse
- Fuse Block
- Fusible Link
- Ground Strap
- Grounding Point
- Multiple Junction Connector
- Relays and Modules - Power and Ground Distribution
- Relay Box
- Wiring Harness
- Diagrams
- Technical Service Bulletins
- Steering and Suspension
- Alignment
- Relays and Modules - Steering and Suspension
- Sensors and Switches - Steering and Suspension
- Steering
- Power Steering
- Sensors and Switches - Steering
- Steering Column
- Steering Gear
- Steering Shaft
- Steering Wheel
- Tie Rod
- Service Precautions
- Testing and Inspection
- Specifications
- Technical Service Bulletins
- Suspension
- Wheels and Tires
- Specifications
- Technical Service Bulletins
- Heating and Air Conditioning
- Air Conditioning Switch
- Air Door
- Air Duct
- Blower Motor
- Blower Motor Relay
- Blower Motor Resistor
- Compressor HVAC
- Compressor Clutch Diode HVAC
- Compressor Clutch Relay
- Control Assembly
- Control Module HVAC
- Evaporator Case
- Evaporator Core
- Expansion Block/Orifice Tube
- Heater Core
- Heater Core Case
- Housing Assembly HVAC
- Refrigerant
- Refrigerant Oil
- Refrigerant Pressure Sensor / Switch
- Relays and Modules - HVAC
- Sensors and Switches - HVAC
- Service Port HVAC
- Vacuum Controller
- Service Precautions
- Testing and Inspection
- Locations
- Service and Repair
- Diagrams
- Specifications
- Technical Service Bulletins
- Restraints and Safety Systems
- Air Bag Systems
- Head Restraint System
- Relays and Modules - Restraints and Safety Systems
- Seat Belt Systems
- Sensors and Switches - Restraints and Safety Systems
- Technical Service Bulletins
- Accessories and Optional Equipment
- Antenna
- Antitheft and Alarm Systems
- Driver/Vehicle Information Display
- Radio, Stereo, and Compact Disc
- Relays and Modules - Accessories and Optional Equipment
- Relay Module
- Technical Service Bulletins
- Body and Frame
- Bumper
- Doors, Hood and Trunk
- Exterior Moulding / Trim
- Frame
- Interior Moulding / Trim
- Jack
- Locks
- Mirrors
- Paint, Striping and Decals
- Relays and Modules - Body and Frame
- Roof and Associated Components
- Seats
- Sensors and Switches - Body and Frame
- Weatherstrip
- Technical Service Bulletins
- Cruise Control
- Brake Switch (Cruise Control)
- Clutch Switch
- Cruise Control Module
- Cruise Control Servo
- Cruise Control Servo Cable
- Cruise Control Switch
- Cruise Control Vacuum Vent Solenoid
- Relays and Modules - Cruise Control
- Sensors and Switches - Cruise Control
- Vacuum Restrictor
- Description and Operation
- Testing and Inspection
- Diagrams
- Technical Service Bulletins
- Instrument Panel, Gauges and Warning Indicators
- ABS Light
- Audible Warning Device Control Module
- Brake Warning Indicator
- Cigarette Lighter
- Coolant Level Indicator Lamp
- Dashboard / Instrument Panel
- Dimmer Switch
- Door Switch
- Driver/Vehicle Information Display
- Emissions Maintenance Light
- Fuel Distance/Mileage Module
- Fuel Gauge
- Fuel Gauge Sender
- Instrument Cluster / Carrier
- Key Reminder Switch
- Low Fuel Lamp/Indicator
- Malfunction Indicator Lamp
- Odometer
- Oil Pressure Gauge
- Oil Pressure Sender
- Oil Pressure Warning Lamp/Indicator
- Relays and Modules - Instrument Panel
- Seat Belt Reminder Lamp
- Sensors and Switches - Instrument Panel
- Speedometer Head
- Temperature Gauge
- Temperature Warning Lamp/Indicator
- Tire Monitoring System
- Transmission Shift Position Indicator Lamp
- Volt Meter Gauge
- Description and Operation
- Testing and Inspection
- Initial Inspection and Diagnostic Overview
- Reading and Clearing Diagnostic Trouble Codes
- Symptom Related Diagnostic Procedures
- A Symptom Table - Electronic Instrument Cluster - Base
- A Symptom Table - Electronic Instrument Cluster - Gages - RPO UB3
- Symptom Diagnostic Tests - Electronic Instrument Cluster - Base
- B: Fuel Gage Always Reads E
- C: Fuel Gage Always Reads F
- E: Oil Pressure Indicator Is Always on
- F: Oil Pressure Does Not Light With the Ignition Switch In Run
- G: Coolant Temperature Is Lit When Engine Not Overheated
- H: Coolant Temperature Indicator Does Not Light In Start
- I: Coolant Temp Indicator Does Not Light When Engine Overheats
- Symptom Diagnostic Tests - Electronic Instrument Cluster - Gages - RPO UB3
- C: Fuel Gage Always Indicates Full
- D: Fuel Gage Always Indicates Empty
- E: Fuel Gage Is Inaccurate
- F: Oil Pressure Shows Low
- G: Oil Pressure Shows High
- H: Oil Pressure Gage Is Inaccurate
- I: Coolant Temperature Gage Shows Cold Continuously
- J: Coolant Temperature Gage Shows Hot Continuously
- K: Temperature Gage Is Inaccurate
- K: Coolant Temperature Gage Is Inaccurate
- L: Low Coolant Indicator Does Not Light
- M: Low Coolant Indicator Is Lit With Proper Coolant Level
- Component Tests and General Diagnostics
- Diagrams
- Technical Service Bulletins
- Lighting and Horns
- Backup Lamp
- Brake Lamp
- Brake Light Switch
- Courtesy Lamp
- Daytime Running Lamp
- Dimmer Switch
- Dome Lamp
- Door Switch
- Exterior Lighting Module
- Fog/Driving Lamp
- Hazard Warning Lamps
- Headlamp
- Horn
- Key Cylinder Lamp
- License Plate Lamp
- Marker Lamp
- Parking Lamp
- Relays and Modules - Lighting and Horns
- Sensors and Switches - Lighting and Horns
- Tail Lamp
- Turn Signals
- Technical Service Bulletins
- Windows and Glass
- Wiper and Washer Systems
- Relays and Modules - Wiper and Washer Systems
- Sensors and Switches - Wiper and Washer Systems
- Washer Fluid Level Indicator
- Windshield Washer Motor
- Wiper Blade
- Wiper Control Module
- Wiper Gear Box
- Wiper Motor
- Wiper Motor Linkage
- Wiper Switch
- Description and Operation
- Testing and Inspection
- Diagrams
- Technical Service Bulletins
- Application and ID
- Regular Production Option (RPO)
- Vehicle Identification Number (VIN)
- Description
- GM Automobile VIN Charts
- GM Light Duty & Multi-Purpose Truck VIN Charts
- 1982 Light Duty Trucks & Multi-Purpose Vehicle
- 1983 Light Duty Trucks & Multi-Purpose Vehicle
- 1984 Light Duty Trucks & Multi-Purpose Vehicle
- 1985 Light Duty Trucks & Multi-Purpose Vehicle
- 1986 Light Duty Trucks & Multi-Purpose Vehicle
- 1987 Light Duty Trucks & Multi-Purpose Vehicle
- 1988 Light Duty Trucks & Multi-Purpose Vehicle
- 1989 Light Duty Trucks & Multi-Purpose Vehicle
- 1990 Light Duty Trucks & Multi-Purpose Vehicles
- 1991 Light Duty Trucks & Multi-Purpose Vehicles
- 1992 Light Duty Trucks & Multi-Purpose Vehicles
- 1993 Light Duty Trucks & Multi-Purpose Vehicles
- 1994 Light Duty Trucks & Multi-Purpose Vehicles
- 1995 Light Duty Trucks & Multi-Purpose Vehicles
- 1996 Light Duty Trucks & Multi-Purpose Vehicles
- GM Medium & Heavy Duty Truck VIN Charts
- 1982 Medium & Heavy Duty Trucks
- 1983 Medium & Heavy Duty Trucks
- 1984 Medium & Heavy Duty Trucks
- 1985 Medium & Heavy Duty Trucks
- 1986 Medium & Heavy Duty Trucks
- 1987 Medium & Heavy Duty Trucks
- 1988 Medium & Heavy Duty Trucks
- 1989 Medium & Heavy Duty Trucks
- 1990 Medium & Heavy Duty Trucks
- 1991 Medium & Heavy Duty Trucks
- 1992 Medium & Heavy Duty Trucks
- 1993 Medium & Heavy Duty Trucks
- 1994 Medium & Heavy Duty Trucks
- 1995 Medium & Heavy Duty Trucks
- 1996 Medium & Heavy Duty Trucks
- Locations
- Component Locations
- Additional Information
- Miscellaneous Components
- A/C Clutch Diode
- A/C Compressor Clutch
- A/C Pressure Transducer
- A/C Valve Vacuum Actuator
- Anti-Lock Brake Power Center
- BI-Level Valve Vacuum Actuator
- Blower Resistor Assembly
- Component Center
- Crankcase Vent Valve
- Cruise Control Check Valve
- Cruise Control Servo
- Diode Assembly
- ECM Mini Harness
- ECM Power
- Forward Light Electrical Center
- Fuel Filter
- Fuel Injector
- Fuel Pump Prime
- Fuel Tank Unit
- Fuse Block
- Fuse Panel
- Hazard Flasher
- Heater/Defrost BI-Directional Vacuum Actuator
- LS Underhood Electrical Center
- Oil Pressure Sender
- Recirculating Valve Vacuum Actuator
- RS Electrical Center
- RS Underhood Electrical Center
- Service Engine Soon Light
- Turn Flasher
- Vent Valve Vacuum Actuator
- Modules
- Motors
- Relays
- Sensors
- Solenoids
- Switches
- A/C High Pressure Switch
- A/C Pressure Fan Switch
- Accumulator Switch
- Brake Fluid Level Switch
- Cruise Control Clutch Switch
- Door Latch Switch
- Electronics & Switch Module
- Engine Temperature Switch
- Flash to Pass Switch
- Fuel Pump Switch
- Fuel Pump/Oil Pressure Switch
- Headlight Dimmer Switch
- Horn Switch
- Ignition Key Warning Switch
- Ignition Switch
- Oil Pressure Switch
- P/S Pressure Switch
- Park Brake Switch
- Park/Neutral Switch
- Safety Belt Switch
- Sunroof Position Switch
- Turn/Hazard Switch Assembly
- Text Description
- Connector Locations
- Ground Locations
- Splice Locations
- Component Locations
- Diagrams
- Diagram Information and Instructions
- Diagnostic Aids
- Exploded Views
- Automatic Transmission/Transaxle
- Accumulator Cover & Governor Pipes
- Channel Plate (Case Side)
- Control Valve Assembly
- Driven Sprocket Support
- Final Drive Assembly
- Input & Reaction Carriers
- Input Clutch Assembly
- Internal Components
- Manual Linkage
- Oil Pump Assembly
- Servo Pipe Assembly
- Sprag & Roller Clutch Assembly
- Transaxle Case & Components
- 1-2 & Reverse Servo Assemblies
- 4TH Clutch & Components
- Brake Master Cylinder
- Compressor HVAC
- Engine
- Automatic Transmission/Transaxle
- Connector Views
- Electrical Diagrams
- Cell References
- Antenna
- Antilock Brakes / Traction Control Systems
- Backup Lamp
- Brake Lamp
- Brake Warning Indicator
- Courtesy Lamp
- Cruise Control
- Dimmer Switch
- Dome Lamp
- Fog/Driving Lamp
- Hazard Warning Lamps
- Headlamp
- Heated Glass Element
- Heating and Air Conditioning
- Horn
- Instrument Panel, Gauges and Warning Indicators
- Keyless Entry
- License Plate Lamp
- Marker Lamp
- Mirrors
- Power Locks
- Powertrain Management
- System Diagram
- Automatic Transmission/Transaxle Controls
- Direct Ignition System
- Electronic EGR, Vapor Canister Purge Solenoid
- Electronic/Powertrain Control Module (ECM/PCM)
- Engine Data Sensors & Vehicle Data Sensors
- Fuel Control & Fuel Injectors
- Idle Air Control (IAC)
- Power, Grounds & Service Engine Soon Indicator
- Vehicle Speed Sensor (VSS)
- Computers and Control Systems
- Emission Control Systems
- Fuel Delivery and Air Induction
- System Diagram
- Radiator Cooling Fan Motor
- Radio, Stereo, and Compact Disc
- Seat Belt Systems
- Seats
- Starting and Charging
- Sunroof / Moonroof
- Tail Lamp
- Transmission and Drivetrain
- Trunk / Liftgate
- Turn Signals
- Windows
- Wiper and Washer Systems
- Fluid Diagrams
- Vacuum and Vapor Hose Diagrams
- Components
- Additional Information
- Miscellaneous Components
- A/C Clutch Diode
- A/C Compressor Clutch
- A/C Pressure Transducer
- A/C Valve Vacuum Actuator
- Anti-Lock Brake Power Center
- BI-Level Valve Vacuum Actuator
- Blower Resistor Assembly
- Component Center
- Crankcase Vent Valve
- Cruise Control Check Valve
- Cruise Control Servo
- Diode Assembly
- ECM Mini Harness
- ECM Power
- Forward Light Electrical Center
- Fuel Filter
- Fuel Injector
- Fuel Pump Prime
- Fuel Tank Unit
- Fuse Block
- Fuse Panel
- Hazard Flasher
- Heater/Defrost BI-Directional Vacuum Actuator
- LS Underhood Electrical Center
- Oil Pressure Sender
- Recirculating Valve Vacuum Actuator
- RS Electrical Center
- RS Underhood Electrical Center
- Service Engine Soon Light
- Turn Flasher
- Vent Valve Vacuum Actuator
- Modules
- Motors
- Relays
- Sensors
- Solenoids
- Switches
- A/C High Pressure Switch
- A/C Pressure Fan Switch
- Accumulator Switch
- Brake Fluid Level Switch
- Cruise Control Clutch Switch
- Door Latch Switch
- Electronics & Switch Module
- Engine Temperature Switch
- Flash to Pass Switch
- Fuel Pump Switch
- Fuel Pump/Oil Pressure Switch
- Headlight Dimmer Switch
- Horn Switch
- Ignition Key Warning Switch
- Ignition Switch
- Oil Pressure Switch
- P/S Pressure Switch
- Park Brake Switch
- Park/Neutral Switch
- Safety Belt Switch
- Sunroof Position Switch
- Turn/Hazard Switch Assembly
- Text Description
- Connectors
- Grounds
- Splices
- Specifications
- Electrical Specifications
- Air Temperature Sensor ( Ambient / Intake )
- Alternator
- Barometric Pressure Sensor
- Battery
- Coolant Temperature Sensor/Switch (For Computer)
- Crankshaft Position Sensor
- Engine Control Module
- Fuel Injector
- Idle/Throttle Speed Control Unit
- Ignition Cable
- Ignition Coil
- Ignition Timing
- Manifold Pressure/Vacuum Sensor
- Starter Solenoid
- Throttle Position Sensor
- Voltage Regulator
- Mechanical Specifications
- Backup Lamp Switch
- Brake Caliper
- Brake Drum
- Brake Hose/Line
- Brake Master Cylinder
- Brake Rotor/Disc
- Computers and Control Systems
- Distributor, Ignition
- Engine
- System Specifications
- Camshaft, Lifters and Push Rods
- Cylinder Block Assembly
- Cylinder Head Assembly
- Drive Belt
- Drive Belt Tensioner
- Engine Mount
- Intake Manifold
- Oil Filter, Engine
- Oil Line, Engine
- Oil Pan, Engine
- Oil Pressure Sensor
- Oil Pump, Engine
- Timing Chain
- Timing Cover
- Exhaust Manifold
- Firing Order
- Fuel Delivery and Air Induction
- Spark Plug
- Steering and Suspension
- Thermostat, Engine Cooling
- Transmission and Drivetrain
- Water Pump
- Wheel Speed Sensor
- Pressure, Vacuum and Temperature Specifications
- Capacity Specifications
- Fluid Type Specifications
- Electrical Specifications
- Technical Service Bulletins
Diagnostic Trouble Codes