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 - 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 - Powertrain Management
- Relays and Modules - Steering and Suspension
- 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
- Air Flow Meter/Sensor
- Barometric Pressure Sensor
- Coolant Temperature Sensor/Switch (For Computer)
- Crankshaft Position Sensor
- Air Temperature Sensor ( Ambient / Intake )
- 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
- 100000 MI or 160000 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
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
- Service and Repair
- Specifications
- Technical Service Bulletins
- Cooling System
- Coolant
- Coolant Level Indicator Lamp
- Radiator Cooling Fan
- Engine - Coolant Temperature Sensor/Switch
- Heater Control Valve
- Heater Core
- Lamps and Indicators - Cooling System
- Radiator
- Radiator Cap
- Relays and Modules - Cooling System
- Sensors and Switches - Cooling System
- Temperature Gauge
- Temperature Warning Lamp/Indicator
- Thermostat
- Water Pump
Locations- Specifications
- Technical Service Bulletins
- 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
- Air Flow Meter/Sensor
- Barometric Pressure Sensor
- Coolant Temperature Sensor/Switch (For Computer)
- Crankshaft Position Sensor
- Air Temperature Sensor ( Ambient / Intake )
- 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 Flow Meter/Sensor
- Air Flow Meter/Sensor Relay
- Air Temperature Sensor ( Ambient / Intake )
- Barometric Pressure Sensor
- Coolant Temperature Sensor/Switch (For Computer)
- Crankshaft Position Sensor
- Data Link Connector
- Engine Control Module
- Idle Speed/Throttle Actuator - Electronic
- Idle/Throttle Speed Control Unit
- Manifold Pressure/Vacuum Sensor
- Memory Calibration Unit
- Oil Pressure Sensor
- Oxygen Sensor
- Power Steering Pressure Switch
- Relays and Modules - Computers and Control Systems
- Sensors and Switches - Computers and Control Systems
- Air Flow Meter/Sensor
- Barometric Pressure Sensor
- Coolant Temperature Sensor/Switch (For Computer)
- Crankshaft Position Sensor
- Air Temperature Sensor ( Ambient / Intake )
- Manifold Pressure/Vacuum Sensor
- Oil Pressure Sensor
- Oxygen Sensor
- Power Steering Pressure Switch
- Throttle Position Sensor
- Transmission Position Sensor/Switch
- Vehicle Speed Sensor
- Shift Light
- Throttle Position Sensor
- Transmission Position Sensor/Switch
- Vehicle Speed Sensor
Service Precautions
Description and Operation
Testing and Inspection
Adjustments
Diagrams- Technical Service Bulletins
- Emission Control Systems
- Fuel Delivery and Air Induction
- Fuel Pressure
- Fuel Pressure Release
- Idle Speed
- Air Cleaner Housing
- Air Flow Meter/Sensor
- Fuel
- Fuel Filler Cap
- Fuel Filter
- Fuel Injector
- Fuel Pressure Regulator
- Fuel Pump
- Fuel Return Line
- Fuel Supply Line
- Fuel Tank
- Idle Speed/Throttle Actuator - Electronic
- Idle/Throttle Speed Control Unit
- 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
- 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
- Pick-Up Coil
- Relays and Modules - Ignition System
- Sensors and Switches - Ignition System
- Spark Plug
- Thermal Vacuum Valve
- Vacuum Advance Control Solenoid
- Description and Operation
- Diagrams
- Technical Service Bulletins
- Transmission Control Systems
- PROM - Programmable Read Only Memory
- Service Precautions
- Application and ID
- Locations
- Diagrams
- 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
- Channel Plate
- Clutch
- Differential
- Drive Chain
- Fluid - A/T
- Fluid Filter - A/T
- Fluid Line/Hose
- Fluid Pan
- Fluid Pump
- Fluid Transfer Tube
- Governor
- Output Shaft
- Parking Pawl
- Planetary Gears
- Seals and Gaskets
- Sensors and Switches - A/T
- Shift Linkage
- Shift Modulator
- Speedometer Gear, A/T
- Sun Gear
- Throttle Valve Assembly
- Throttle Valve Cable/Linkage
- Torque Converter
- Torque Converter Clutch
- Torque Converter Clutch Solenoid
- Transmission Cooler
- Transmission Position Sensor/Switch
- Transmission Pressure Test Port
- Transmission Temperature Sensor/Switch
- Valve Body
- Application and ID
- Description and Operation
- Testing and Inspection
- Symptom Related Diagnostic Procedures
- Delay In Drive and Reverse
- Fails to Shift 2-3 or Delayed 2-3 Shift
- Fails to Upshift or Delayed Upshift
- High Oil Pressure
- Low Oil Pressure
- No Drive In Drive or Intermediate Range, Lo & Reverse Ok
- No Drive In Drive Range; Intermediate, Low & Reverse Ok
- No Drive In Forward Ranges, Reverse Ok
- No Drive In Forward Ranges, Reverse Ties Up
- No Forward or Reverse In Any Range
- No Full Throttle 3-2 Downshift
- No Intermediate Range - 2nd Gear
- No Overrun Braking In LO, Reverse OK
- No Reverse, All Forward Ranges Ok
- Second Speed Start-Misses First
- Shifts 1-3, Misses Second Gear
- Shifts 2-1 at High Gear Speeds-Passing Gear
- Slips or Chatters In 1st
- Slow, Early, or Drawn Out Shifts With End Bump
- Transaxle Noisy
- 1-2 Shift Complaints
- 2-3 Shift Complaints
- Component Tests and General Diagnostics
- Symptom Related Diagnostic Procedures
- Service and Repair
- Procedures
- Removal and Replacement
- Overhaul
- - Unit Overhaul Notes
- - Disassemble
- Check Reaction Sun Gear & LO Race Endplay
- Converter Housing, Oil Pump & Reverse Clutch
- Differential & Final Drive Assembly
- Direct Clutch Assembly
- Drive Link Assembly
- Driven Sprocket Support
- Forward & Direct Clutch
- Forward Clutch Assembly
- Governor & Speedometer Gear
- Input Unit Parts
- Intermediate Band Assembly
- Intermediate Servo - Assembly and Installation
- Intermediate Servo - Disassembly and Inspection
- Lo and Reverse Clutch
- Manual Shaft
- Oil Strainer and Pan
- Output Shaft
- Reaction Gear Set
- Reverse Pipe & Parking Bracket
- Transaxle Case
- Diagrams
- Specifications
- Technical Service Bulletins
- Clutch
- Continuously Variable Transmission/Transaxle
- Differential Assembly
- Drive Axles, 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
- Sensors and Switches - Brakes and Traction Control
- Service Precautions
- Testing and Inspection
- Service and Repair
- Technical Service Bulletins
- Starting and Charging
- Sensors and Switches - Starting and Charging
- Battery
- Charging System
- Starting System
- Power and Ground Distribution
- Service Precautions
- Testing and Inspection
- Diagrams
- Specifications
- Technical Service Bulletins
- Power and Ground Distribution
- Steering and Suspension
- Alignment
- Relays and Modules - Steering and Suspension
- Sensors and Switches - Steering and Suspension
- Steering
- Front Steering Knuckle
- Power Steering
- Sensors and Switches - Steering
- Steering Column
- Steering Gear
- Steering Wheel
- Service Precautions
- Technical Service Bulletins
- Suspension
- Axle Beam
- Ball Joint
- Control Arm
- Front Steering Knuckle
- Lateral Stabilizer Rod
- Relays and Modules - Suspension
- Sensors and Switches - Suspension
- Stabilizer Bar
- Suspension Control ( Automatic - Electronic )
- Suspension Spring ( Coil / Leaf )
- Suspension Strut / Shock Absorber
- Wheel Bearing
- Wheel Hub
- Description and Operation
- Specifications
- Technical Service Bulletins
- Wheels and Tires
- Technical Service Bulletins
- Heating and Air Conditioning
- Accumulator HVAC
- Air Door
- Blower Motor
- Blower Motor Relay
- Blower Motor Resistor
- Compressor HVAC
- Compressor Clutch
- Compressor Clutch Bearing
- Compressor Clutch Coil
- Compressor Shaft Seal
- Service and Repair
- Compressor Replacement
- Delco Air DA-6 & HR-6 Compressor
- Delco Air R-4 Radial Compressor
- Delco Air/Harrison DA-V5 Variable Displacement Compressor
- Diagrams
- Technical Service Bulletins
- Compressor Clutch Diode HVAC
- Compressor Clutch Relay
- Condenser HVAC
- Control Assembly
- Coolant Temperature Sensor / Switch HVAC
- Evaporator Core
- Expansion Block/Orifice Tube
- Heater Control Valve
- Heater Core
- Hose/Line HVAC
- Refrigerant
- Refrigerant Oil
- Refrigerant Pressure Sensor / Switch
- Relays and Modules - HVAC
- Sensors and Switches - HVAC
- Service Port HVAC
- Vacuum Reservoir HVAC
- Service Precautions
- Testing and Inspection
- Service and Repair
- Diagrams
- Specifications
- Technical Service Bulletins
- Restraints and Safety Systems
- Accessories and Optional Equipment
- Body and Frame
- Bumper
- Doors, Hood and Trunk
- Exterior Moulding / Trim
- Frame
- Interior Moulding / Trim
- 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
- Instrument Panel, Gauges and Warning Indicators
- Ammeter Gauge
- Audible Warning Device Control Module
- Brake Warning Indicator
- Charge Lamp/Indicator
- Cigarette Lighter
- Clock
- Coolant Level Indicator Lamp
- Dashboard / Instrument Panel
- Dimmer Switch
- Fuel Gauge
- Fuel Gauge Sender
- Instrument Cluster / Carrier
- Key Reminder Switch
- Low Fuel Lamp/Indicator
- Odometer
- Oil Pressure Warning Lamp/Indicator
- Parking Brake Warning Lamp
- Parking Brake Warning Switch
- Relays and Modules - Instrument Panel
- Sensors and Switches - Instrument Panel
- Speedometer Head
- Tachometer
- Temperature Gauge
- Temperature Warning Lamp/Indicator
- Tire Monitoring System
- Transmission Shift Position Indicator Lamp
- Vacuum Gauge/Economy Meter
- Volt Meter Gauge
- Description and Operation
- Testing and Inspection
- Diagrams
- Technical Service Bulletins
- Lighting and Horns
- Ambient Light Sensor
- Backup Lamp
- Brake Lamp
- Brake Light Switch
- Courtesy Lamp
- Daytime Running Lamp
- Dimmer Switch
- Exterior Lighting Module
- Fog/Driving Lamp
- Hazard Warning Lamps
- Headlamp
- Horn
- Interior Lighting Module
- License Plate Lamp
- Map Light
- Marker Lamp
- Parking Lamp
- Relays and Modules - Lighting and Horns
- Sensors and Switches - Lighting and Horns
- Tail Lamp
- Turn Signals
- Underhood Lamp
- Vanity Lamp
- Application and ID
- Diagrams
- 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 Pump
- Wiper Blade
- Wiper Control Module
- Wiper Gear Box
- Wiper Motor
- Wiper Relay
- 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 Compressor Clutch Diode
- Brake Vacuum Release Valve
- Convenience Center
- Cruise Control Servo
- Cruise Control Vacuum Tank
- Data Link Connector
- Electronic Level Control Compressor
- Expansion Tube, A/C
- Fuel Injector
- Fusible Link J
- Fusible Link M
- Hazard Flasher
- Heater Water Valve
- Horn Brush/Slip Ring
- Rear Washer Pump
- Sentinel Amplifier
- Sentinel Photocell
- Turn Flasher
- Turn Signal Flasher
- Vacuum Tank
- Modules
- Motors
- Relays
- Sensors
- Solenoids
- Switches
- Automatic Transaxle Position Switch
- Automatic Transaxle Selector Switch
- Brake Pressure Switch
- Brake Switch
- Door Lock Switches
- Headlamp Dimmer Switch
- Idle Speed Power Steering Pressure Switch
- Ignition Key Warning Switch
- Ignition Switch
- Liftgate Lock Switch
- Oil Pressure Sender/Switch
- Parking Brake Switch
- Power Steering Anticipation Switch
- Power Steering Cut-Out Switch
- Power Steering Pressure Switch
- Power Window Master Switch
- Seat Belt Switch
- Turn/Hazard Switch
- Text Description
- Connector Locations
- Fuse and Fusible Link Locations
- Ground Locations
- Splice Locations
- Component Locations
- Diagrams
- Diagram Information and Instructions
- Exploded Views
- Connector Views
- Electrical Diagrams
- Cell References
- Antenna
- Brake Warning Indicator
- Cruise Control
- Heated Glass Element
- Heating and Air Conditioning
- Instrument Panel, Gauges and Warning Indicators
- Lighting and Horns
- Mirrors
- Power Locks
- Powertrain Management
- Radiator Cooling Fan Motor
- Radio, Stereo, and Compact Disc
- Seats
- Starting and Charging
- Suspension Control ( Automatic - Electronic )
- Temperature Gauge
- Transmission and Drivetrain
- Trunk / Liftgate
- Windows
- Wiper and Washer Systems
- Fluid Diagrams
- Vacuum and Vapor Hose Diagrams
- Components
- Additional Information
- Miscellaneous Components
- A/C Compressor Clutch Diode
- Brake Vacuum Release Valve
- Convenience Center
- Cruise Control Servo
- Cruise Control Vacuum Tank
- Data Link Connector
- Electronic Level Control Compressor
- Expansion Tube, A/C
- Fuel Injector
- Fusible Link J
- Fusible Link M
- Hazard Flasher
- Heater Water Valve
- Horn Brush/Slip Ring
- Rear Washer Pump
- Sentinel Amplifier
- Sentinel Photocell
- Turn Flasher
- Turn Signal Flasher
- Vacuum Tank
- Modules
- Motors
- Relays
- Sensors
- Solenoids
- Switches
- Automatic Transaxle Position Switch
- Automatic Transaxle Selector Switch
- Brake Pressure Switch
- Brake Switch
- Door Lock Switches
- Headlamp Dimmer Switch
- Idle Speed Power Steering Pressure Switch
- Ignition Key Warning Switch
- Ignition Switch
- Liftgate Lock Switch
- Oil Pressure Sender/Switch
- Parking Brake Switch
- Power Steering Anticipation Switch
- Power Steering Cut-Out Switch
- Power Steering Pressure Switch
- Power Window Master Switch
- Seat Belt Switch
- Turn/Hazard Switch
- Text Description
- Connectors
- Fuse and Fusible Links
- 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 Coil
- Manifold Pressure/Vacuum Sensor
- Pick-Up Coil, Ignition
- Throttle Position Sensor
- Voltage Regulator
- Mechanical Specifications
- Alignment
- Brake Drum
- Brake Master Cylinder
- Brake Rotor/Disc
- Distributor, Ignition
- Engine
- Exhaust Manifold
- Firing Order
- Fuel Delivery and Air Induction
- Spark Plug
- Starting and Charging
- Steering Gear
- Suspension
- Transmission and Drivetrain
- Water Pump
- Wheel Cylinder
- Wheel Stud / Lug Nut
- Pressure, Vacuum and Temperature Specifications
- Capacity Specifications
- Fluid Type Specifications
- Electrical Specifications
- Technical Service Bulletins
Diagnostic Trouble Codes