Repair and Diagnosis
- A L L Diagnostic Trouble Codes ( DTC )
- Relays and Modules
- Sensors and Switches
- 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
- 6000 MI or 9600 KM
- 7500 MI or 12000 KM
- 12000 MI or 19200 KM
- 15000 MI or 24000 KM
- 18000 MI or 28800 KM
- 22500 MI or 36000 KM
- 24000 MI or 38400 KM
- 30000 MI or 48000 KM
- 36000 MI or 57600 KM
- 37500 MI or 60000 KM
- 42000 MI or 67200 KM
- 45000 MI or 72000 KM
- 48000 MI or 76800 KM
- 52500 MI or 84000 KM
- 54000 MI or 86400 KM
- 60000 MI or 96000 KM
- 66000 MI or 105600 KM
- 67500 MI or 108000 KM
- 72000 MI or 115200 KM
- 75000 MI or 120000 KM
- 78000 MI or 124800 KM
- 82500 MI or 132000 KM
- 84000 MI or 134400 KM
- 90000 MI or 144000 KM
- 96000 MI or 153600 KM
- 97500 MI or 156000 KM
- 102000 MI or 163200 KM
- 105000 MI or 168000 KM
- 108000 MI or 172800 KM
- 112500 MI or 180000 KM
- 114000 MI or 182400 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
Service and Repair
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
Locations
Specifications- Technical Service Bulletins
- Cooling System
- Technical Service Bulletins
- Engine
- Powertrain Management
- Relays and Modules - Powertrain Management
- Sensors and Switches - Powertrain Management
- Tune-up and Engine Performance Checks
- Computers and Control Systems
- Coolant Temperature Sensor/Switch (For Computer)
- Data Link Connector
- Engine Control Module
- Knock Sensor
- Malfunction Indicator Lamp
- Memory Calibration Unit
- Oil Pressure Sensor
- Output Driver
- Oxygen Sensor
- Relays and Modules - Computers and Control Systems
- Sensors and Switches - Computers and Control Systems
- Vehicle Speed Sensor
- Vehicle Speed Sensor Signal Buffer
Testing and Inspection
Adjustments
Diagrams- Technical Service Bulletins
- Emission Control Systems
- Fuel Delivery and Air Induction
- Ignition System
- PROM - Programmable Read Only Memory
Service Precautions- Diagrams
- Technical Service Bulletins
- Transmission and Drivetrain
- Automatic Transmission/Transaxle
- Clutch
- Continuously Variable Transmission/Transaxle
- Differential Assembly
- Differential Carrier
- Differential Clutch
- Differential Axle Housing
- Fluid - Differential
- Pinion Bearing
- Pinion Gear
- Application and ID
- Specifications
- Mechanical Specifications
- Fastener Strength Identification
- Rear Axle
- Fluid Type Specifications
- Mechanical Specifications
- Technical Service Bulletins
- Drive Axles, Bearings and Joints
- Drive/Propeller Shafts, Bearings and Joints
- Flex Plate
- Flywheel
- Manual Transmission/Transaxle
- Transfer Case
- Diagrams
- Technical Service Bulletins
- Brakes and Traction Control
- Antilock Brakes / Traction Control Systems
- Brake Bleeding
- Brake Warning Indicator
- Disc Brake System
- Drum Brake System
- Hydraulic System
- Parking Brake System
- Power Brake Assist
- 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
- Testing and Inspection
- Diagrams
- Technical Service Bulletins
- Power and Ground Distribution
- Steering and Suspension
- Heating and Air Conditioning
- Air Door
- Blower Motor
- Blower Motor Resistor
- Compressor HVAC
- Compressor Clutch
- Compressor Control Valve Assembly
- Compressor Shaft Seal
- Service Precautions
Description and Operation- Testing and Inspection
- Service and Repair
- Diagrams
- Specifications
- Technical Service Bulletins
Tools and Equipment
- Condenser HVAC
- Control Assembly
- Evaporator Core
- Expansion Block/Orifice Tube
- Heater Core
- Heater Hose
- High Pressure Safety Valve HVAC
- Hose/Line HVAC
- Refrigerant
- Refrigerant Oil
- Refrigerant Pressure Sensor / Switch
- Sensors and Switches - HVAC
- Service Port HVAC
- Service Precautions
- Description and Operation
- Testing and Inspection
- Service and Repair
- Diagrams
- Specifications
- Technical Service Bulletins
- Restraints and Safety Systems
- Accessories and Optional Equipment
- Body and Frame
- Cruise Control
- Cruise Control Servo
- Vacuum Vent Valve
- Description and Operation
- Testing and Inspection
- Initial Inspection and Diagnostic Overview
- Component Tests and General Diagnostics
- Chart 1 - Servo Test
- Chart 2 - Servo Test
- Chart 3 - Off/On/Resume/Accel Switch Test
- Chart 4 - Off/On/Resume/Accel Switch Test
- Chart 5 - Release Switch Test (W/Auto. Trans)
- Chart 6 - Release Switch Test (W/Man. Trans)
- Chart 7 - Set/Coast Switch Test
- Control Switch Continuity Check
- Controller, Servo and Control Switch Check
- Speed Sender Test
- Diagrams
- Technical Service Bulletins
- Instrument Panel, Gauges and Warning Indicators
- Air Conditioning Indicator Lamp
- Brake Warning Indicator
- Coolant Level Indicator Lamp
- Dashboard / Instrument Panel
- Dimmer Switch
- Fuel Gauge
- Fuel Gauge Sender
- Instrument Cluster / Carrier
- Malfunction Indicator Lamp
- Odometer
- Oil Level Warning Indicator
- Seat Belt Reminder Lamp
- Sensors and Switches - Instrument Panel
- Speedometer Head
- Temperature Gauge
- Tire Monitoring System
- Transmission Shift Position Indicator Lamp
- Diagrams
- Technical Service Bulletins
- Lighting and Horns
- Backup Lamp
- Brake Lamp
- Cargo Lamp
- Dimmer Switch
- Dome Lamp
- Fog/Driving Lamp
- Hazard Warning Lamps
- Headlamp
- Horn
- 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
- Wiper Blade
- Wiper Motor
- Testing and Inspection
- Chart 1 Washer Pump Inoperative
- Chart 2 Wipers Low Speed Inoperative
- Chart 3 High Speed Only, Inoperative In Low
- Chart 4 Low Speed, Pulse Delay, and Mist Modes INOP
- Chart 5 Wipers Will Not Park
- Chart 6 Wiper Will Not Shut Off
- Chart 7 Intermittent Operation, Wiper Has Both Speeds
- Chart 8 Wiper Runs But Blades Don't Move
- Diagrams
- Technical Service Bulletins
- Application and ID
- Truck Body Identification
- 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
- Locations
- Diagrams
- Diagram Information and Instructions
- Diagnostic Aids
- Exploded Views
- Connector Views
- Electrical Diagrams
- Cell References
- Backup Lamp
- Brake Warning Indicator
- Cargo Lamp
- Cruise Control
- Dome Lamp
- Hazard Warning Lamps
- Headlamp
- Heated Glass Element
- Heating and Air Conditioning
- Horn
- Instrument Panel, Gauges and Warning Indicators
- License Plate Lamp
- Marker Lamp
- Parking Lamp
- Power Locks
- Powertrain Management
- Radio, Stereo, and Compact Disc
- Starting and Charging
- Tail Lamp
- Temperature Gauge
- Trailer Adapter Kit
- Transmission and Drivetrain
- Turn Signals
- Windows
- Wiper and Washer Systems
- Fluid Diagrams
- Vacuum and Vapor Hose Diagrams
- Components
- Connectors
- Fuse and Fusible Links
- Specifications
- Electrical Specifications
- Mechanical Specifications
- Alignment
- Automatic Transmission/Transaxle
- Backing Plate
- Brake Drum
- Brake Rotor/Disc
- Clutch, M/T
- Compressor HVAC
- Differential Assembly
- Fastener Strength Identification
- Rear Axle
- Distributor, Ignition
- Engine
- Firing Order
- Flex Plate
- Flywheel
- Fuel Delivery and Air Induction
- Manual Transmission/Transaxle
- Pressure, Vacuum and Temperature Specifications
- Capacity Specifications
- Fluid Type Specifications
- Technical Service Bulletins
Diagnostic Trouble Codes