Repair and Diagnosis
- 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
- 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
 - 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
 
 
 Service and Repair
Technical Service Bulletins
 - Engine, Cooling and Exhaust
- Engine
- Compression Check
 - Camshaft, Lifters and Push Rods
 - Cylinder Block 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
 - Application and ID
 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
 - Emission Control Systems
 - Fuel Delivery and Air Induction
 - Ignition System
 - Transmission Control Systems
 - PROM - Programmable Read Only Memory
 Service Precautions
Diagrams
Technical Service Bulletins
 - Transmission and Drivetrain
- Actuators and Solenoids - Transmission and Drivetrain
 - Automatic Transmission/Transaxle
- Actuators and Solenoids - A/T
 - Accumulator
 - Band Apply Servo
 - Clutch
 - Fluid - A/T
 - Fluid Pressure Sensor/Switch
 - Fluid Pump
 - Governor
 - Output Shaft
 - Sensors and Switches - A/T
 - Shift Solenoid
 - Shifter A/T
 - Shift Linkage
 - Shift Modulator
 - Torque Converter
 - Transmission Cooler
 - Transmission Speed Sensor
 - Vacuum Regulator Valve
 - Valve Body
 - Application and ID
 Description and Operation
Testing and Inspection
- Initial Inspection and Diagnostic Overview
 - Symptom Related Diagnostic Procedures
- Direct Clutch Plates Burned
 - Forward Clutch Plates Burned
 - Intermediate Clutch Plates Burned
 - Low or High Shift Points
 - Moves Forward In Neutral
 - No Detent Downshifts
 - No Drive In Drive Range
 - No Drive In Reverse or Slips In Reverse
 - No Engine Braking In Low Range
 - No Engine Braking In 2nd Speed
 - No Part Throttle Downshifts
 - No 2-3 Shift-1ST & 2ND Only
 - Noisy Transmission
 - Oil Pressure High or Low
 - Rough 1-2 Shift
 - Rough 2-3 Shift
 - Slips In All Ranges & on Starts
 - Slips 1-2 Shift
 - Slips 2-3 Shift
 - Will Not Hold In Park
 - 1-2 Shift at Full Throttle Only
 - 1st Speed Only No 1-2 Shift
 
 - Component Tests and General Diagnostics
 
Locations
Service and Repair
- Procedures
 - Removal and Replacement
 - Overhaul
- Disassemble
 - Subassembly Service
- Assembling Gear Unit
 - Low Roller Clutch
 - Reaction Carrier Assembly
 - Inspecting Reaction Carrier
 - Reaction Carrier Pinion Gear
 - Gear Unit & Output Carrier Assemblies
 - Output Carrier Assembly/Pinion Gear
 - Direct Clutch & Intermediate Roller
 - Forward Clutch
 - Intermediate Clutch Piston
 - Speedo Drive Gear & Speed Sensor
 - Governor Assembly
 - Control Valve Assembly
 - Oil Pump Assembly
 
 - Assemble
 
 
Diagrams
Specifications
Technical Service Bulletins
 - Clutch
 - Continuously Variable Transmission/Transaxle
 - Differential Assembly
- Differential Carrier
 - Differential Clutch
 - Differential Axle Housing
 - Fluid - Differential
 - Pinion Bearing
 - Pinion Gear
 - Application and ID
 Specifications
Technical Service Bulletins
 - Drive Axles, Bearings and Joints
- Axle Shaft Assembly
 - Seals and Gaskets
 - Wheel Bearing
 - Wheel Hub
 - Wheel Seal
 Technical Service Bulletins
 - Drive/Propeller Shafts, Bearings and Joints
 - Flex Plate
 - Flywheel
 - Manual Transmission/Transaxle
- Case
 - Counter Gear
 - Countershaft
 - Extension Housing
 - Fluid - M/T
 - Mainshaft Bearing/Bushing
 - Mainshaft
 - Reverse Idler Gear
 - Shift Linkage
 - Transmission Mount
 Service and Repair
Diagrams
Specifications
Technical Service Bulletins
 - Sensors and Switches - Transmission and Drivetrain
 - Transfer Case
 - Transmission Control Systems
 Diagrams
Specifications
Technical Service Bulletins
 - Brakes and Traction Control
 - Starting and Charging
- Sensors and Switches - Starting and Charging
 - Battery
 - Charging System
 - Starting System
 - Power and Ground Distribution
 Testing and Inspection
Diagrams
Specifications
Technical Service Bulletins
 - Power and Ground Distribution
 - Steering and Suspension
 - Heating and Air Conditioning
- Air Conditioning Switch
 - Air Door
 - Blower Motor
 - Blower Motor Resistor
 - Compressor HVAC
 - Compressor Clutch Diode HVAC
 - Condenser HVAC
 - Control Assembly
 - Evaporator Core
 - Expansion Block/Orifice Tube
 - Heater Core
 - Hose/Line HVAC
 - Refrigerant
 - Refrigerant Oil
 - 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
 - Instrument Panel, Gauges and Warning Indicators
- 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
 - Oil Pressure Gauge
 - Sensors and Switches - Instrument Panel
 - Speedometer Head
 - Temperature Gauge
 - Tire Monitoring System
 - Transmission Shift Position Indicator Lamp
 - Volt Meter Gauge
 Diagrams
Technical Service Bulletins
 - Lighting and Horns
 - 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
 - Exploded Views
 - Electrical Diagrams
- Cell References
 - Brake Lamp
 - Courtesy Lamp
 - Dome Lamp
 - Headlamp
 - Heating and Air Conditioning
 - Horn
 - Instrument Panel, Gauges and Warning Indicators
 - Oil Pressure Gauge
 - Powertrain Management
 - Radio, Stereo, and Compact Disc
 - Starting and Charging
 - Temperature Gauge
 - Transmission and Drivetrain
 - Turn Signals
 - Wiper and Washer Systems
 
 - Fluid Diagrams
 - Vacuum and Vapor Hose Diagrams
 - Components
 
Specifications
- Electrical Specifications
 - Mechanical Specifications
- Alignment
 - Backing Plate
 - Brake Drum
 - Brake Rotor/Disc
 - Engine
 - Firing Order
 - Starting and Charging
 - Transmission and Drivetrain
- System Specifications
 - Clutch Master Cylinder
 - Clutch Slave Cylinder
 - Differential Assembly
 - Flex Plate
 - Fluid Pump, A/T
 - Flywheel
 - Manual Transmission/Transaxle
 - Shift Linkage, A/T
 - Torque Converter
 - Transfer Case
 - Transmission Speed Sensor, A/T
 - Universal Joint, Drive/Propeller Shaft
 
 
 - Pressure, Vacuum and Temperature Specifications
 - Capacity Specifications
 - Fluid Type Specifications
 
Technical Service Bulletins
Diagnostic Trouble Codes