Repair and Diagnosis
- Relays and Modules
- Sensors and Switches
- Sensors and Switches - Brakes and Traction Control
- Sensors and Switches - Cruise Control
- Sensors and Switches - Engine
- Sensors and Switches - Instrument Panel
- Sensors and Switches - Lighting and Horns
- Sensors and Switches - Powertrain Management
- Sensors and Switches - Starting and Charging
- Sensors and Switches - Steering and Suspension
- 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
- 5000 MI or 8000 KM
- 10000 MI or 16000 KM
- 15000 MI or 24000 KM
- 20000 MI or 32000 KM
- 25000 MI or 40000 KM
- 30000 MI or 48000 KM
- 35000 MI or 56000 KM
- 40000 MI or 64000 KM
- 45000 MI or 72000 KM
- 50000 MI or 80000 KM
- 55000 MI or 88000 KM
- 60000 MI or 96000 KM
- 65000 MI or 104000 KM
- 70000 MI or 112000 KM
- 75000 MI or 120000 KM
- 80000 MI or 128000 KM
- 85000 MI or 136000 KM
- 90000 MI or 144000 KM
- 95000 MI or 152000 KM
- 100000 MI or 160000 KM
- 105000 MI or 168000 KM
- 110000 MI or 176000 KM
- 115000 MI or 184000 KM
- 120000 MI or 192000 KM
- Severe Service
- 2500 MI or 4000 KM
- 5000 MI or 8000 KM
- 7500 MI or 12000 KM
- 10000 MI or 16000 KM
- 12500 MI or 20000 KM
- 15000 MI or 24000 KM
- 17500 MI or 28000 KM
- 20000 MI or 32000 KM
- 22500 MI or 36000 KM
- 25000 MI or 40000 KM
- 27500 MI or 44000 KM
- 30000 MI or 48000 KM
- 32500 MI or 52000 KM
- 35000 MI or 56000 KM
- 37500 MI or 60000 KM
- 40000 MI or 64000 KM
- 42500 MI or 68000 KM
- 45000 MI or 72000 KM
- 47500 MI or 76000 KM
- 50000 MI or 80000 KM
- 52500 MI or 84000 KM
- 55000 MI or 88000 KM
- 57500 MI or 92000 KM
- 60000 MI or 96000 KM
- 62500 MI or 100000 KM
- 65000 MI or 104000 KM
- 67500 MI or 108000 KM
- 70000 MI or 112000 KM
- 72500 MI or 116000 KM
- 75000 MI or 120000 KM
- 77500 MI or 124000 KM
- 80000 MI or 128000 KM
- 82500 MI or 132000 KM
- 85000 MI or 136000 KM
- 87500 MI or 140000 KM
- 90000 MI or 144000 KM
- 92500 MI or 148000 KM
- 95000 MI or 152000 KM
- 97500 MI or 156000 KM
- 100000 MI or 160000 KM
- 102500 MI or 164000 KM
- 105000 MI or 168000 KM
- 107500 MI or 172000 KM
- 110000 MI or 176000 KM
- 112500 MI or 180000 KM
- 115000 MI or 184000 KM
- 117500 MI or 188000 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
Description and Operation- Service and Repair
- Specifications
- Technical Service Bulletins
- Cooling System
- Exhaust 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
- Glow Plug System
- Transmission Control Systems
- PROM - Programmable Read Only Memory
- Application and ID
Diagrams- Technical Service Bulletins
- Transmission and Drivetrain
- Actuators and Solenoids - Transmission and Drivetrain
- Automatic Transmission/Transaxle
- Actuators and Solenoids - A/T
- Clutch
- Fluid - A/T
- Fluid Pan
- Fluid Pump
- Governor
- Output Shaft
- Parking Pawl
- Planetary Gears
- Shift Linkage
- Shift Modulator
- Stator Shaft
- Torque Converter Clutch Solenoid
- Transmission Cooler
- Valve Body
- Application and ID
- Description and Operation
Testing and Inspection- Symptom Related Diagnostic Procedures
- Converter Clutch Does Not Release
- Drives In Neutral
- First, Second & Third, No 3-4 Shift
- Harsh Delayed Upshifts
- Low or High Shift Points
- No Converter Clutch Operation
- No Drive
- No Drive In Reverse or Slips In Reverse
- No Engine Braking In D
- No Engine Braking In L1
- No Engine Braking In L2
- No Engine Braking In 3RD Gear
- No Part Throttle Downshifts
- No Part Throttle 4-3 Downshifts
- No 2-3 Shift-1ST & 2ND Only
- No 2-3 Shift
- Oil Pressure High or Low
- Rough Converter Clutch Application
- Rough 1-2 Shift
- Rough 2-3 Shift
- Rough 3-4 Shift
- Slipping 1-2 Shift
- Slipping 2-3 Shift
- Slips 3-4 Shift
- Will Not Hold In Park
- 1-2 Shift at Full Throttle Only
- 1ST Speed Only-No 1-2 Speed
- Component Tests and General Diagnostics
- Symptom Related Diagnostic Procedures
- Service and Repair
- Procedures
- Removal and Replacement
- Overhaul
- Disassemble
- Assemble
- Subassembly Service & Transaxle Assemble
- Inner Manual Linkage
- Low & Reverse Clutch Assembly
- Output Shaft
- Rear Internal Gear
- Roller Clutch & Rear Carrier Assembly
- Rear Sun Gear & Input Drum
- Front Sun Gear
- Front Carrier
- Front Internal Gear & Selective Thrust Washer
- Rear Selective Thrust Washer
- Direct Clutch
- Forward Clutch
- Forward & Direct Clutch
- Fourth Clutch
- Overrun Clutch & Overdrive Carrier
- Overrun Clutch
- Intermediate Band
- Intermediate Servo Piston Assembly
- Center Support
- Stator Shaft & Flange
- Overdrive Internal Gear
- Turbine Shaft
- Governor Assembly
- Control Valve Assembly
- Oil Pump Assembly
- Pump Body Assembly
- Oil Pump Cover Assembly
- Oil Pump Rotor & Slide End Clearance Check
- 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
- Transfer Case
- Transmission Control Systems
- Diagrams
- Specifications
- 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
- 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
- Initial Inspection and Diagnostic Overview
- Symptom Related Diagnostic Procedures
- Component Tests and General Diagnostics
- Alternate Parasitic Draw Test
- In-Vehicle Testing - Delcotron Type CS Charging System
- Parasitic Draw Test
- System Diagnosis - Charging System - Delcotron Type SI Integral
- Checking Circuit With Voltmeter
- System Diagnosis - Hitachi
- System Diagnosis - Starter - Delco/Remy
- System Diagnosis - Starter - Mitsubishi Starter
- 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
- Power Steering
- Steering Column
- Steering Gear
- Steering Wheel
- Service Precautions
- Technical Service Bulletins
- Suspension
- Ball Joint
- Control Arm
- Relays and Modules - Suspension
- Sensors and Switches - Suspension
- Stabilizer Bar
- Suspension Control ( Automatic - Electronic )
- Suspension Spring ( Coil / Leaf )
- Suspension Strut / Shock Absorber
- Wheel Bearing
- Description and Operation
Adjustments- Specifications
- Technical Service Bulletins
- Wheels and Tires
- Technical Service Bulletins
- Heating and Air Conditioning
- Blower Motor
- Compressor HVAC
- Evaporator Core
- Heater Core
- Refrigerant
- Refrigerant Oil
- Service Port 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
- Cruise Control
- Instrument Panel, Gauges and Warning Indicators
- Ammeter Gauge
- Brake Warning Indicator
- Charge Lamp/Indicator
- 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
- Malfunction Indicator Lamp
- Odometer
- Oil Change Reminder Lamp
- Oil Pressure Gauge
- Oil Pressure Warning Lamp/Indicator
- 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
- Vacuum Gauge/Economy Meter
- Volt Meter Gauge
- Water In Fuel Indicator
- Description and Operation
- Testing and Inspection
- Diagrams
- Technical Service Bulletins
- Lighting and Horns
- Windows and Glass
- Wiper and Washer Systems
- 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- Miscellaneous Components
- Diesel Electronic Controller
- Engine Oil Pressure Sender
- Field Generator Bulb
- Fuel Heater
- Fuel Injection Pump
- Fusible Link A
- Fusible Link B
- Glow Plugs
- Hazard Flasher
- Ignition Key Warning Buzzer
- Illuminated Entry Timer
- Inline Fuse B
- Low Coolant Probe
- Radio Capacitor
- Reminder Package Printed Circuit (Diesel)
- Resistance Wire
- Seat Belt Timer/Buzzer
- Seat Transmission
- Sentinel Amplifier
- Sentinel Control
- Sentinel Photocell
- Splitter
- Starter Assembly
- Temperature Lever Valve
- Theft Deterrent Controller
- Thermal Controller
- Throttle Servo
- Tone Generator
- Turn Flasher
- Turn/Hazard Flasher
- Vacuum Release Valve
- Vacuum Tank
- Water-In-Fuel Detector (Diesel)
- Wiper/Washer Assembly
- Wiper/Washer Control
- Modules
- Motors
- Solenoids
- Switches
- Miscellaneous Components
- Diagrams
- Exploded Views
- Electrical Diagrams
- Antenna
- Antitheft and Alarm Systems
- Brake Warning Indicator
- Cruise Control
- Heated Glass Element
- Heating and Air Conditioning
- Instrument Panel, Gauges and Warning Indicators
- Lighting and Horns
- Mirrors
- Oil Pressure Gauge
- Power Locks
- Powertrain Management
- Radio, Stereo, and Compact Disc
- Seats
- Starting and Charging
- Sunroof / Moonroof
- Suspension Control ( Automatic - Electronic )
- Temperature Gauge
- Transmission and Drivetrain
- Windows
- Wiper and Washer Systems
- Fluid Diagrams
- Vacuum and Vapor Hose Diagrams
- Components
- Miscellaneous Components
- Diesel Electronic Controller
- Engine Oil Pressure Sender
- Field Generator Bulb
- Fuel Heater
- Fuel Injection Pump
- Fusible Link A
- Fusible Link B
- Glow Plugs
- Hazard Flasher
- Ignition Key Warning Buzzer
- Illuminated Entry Timer
- Inline Fuse B
- Low Coolant Probe
- Radio Capacitor
- Reminder Package Printed Circuit (Diesel)
- Resistance Wire
- Seat Belt Timer/Buzzer
- Seat Transmission
- Sentinel Amplifier
- Sentinel Control
- Sentinel Photocell
- Splitter
- Starter Assembly
- Temperature Lever Valve
- Theft Deterrent Controller
- Thermal Controller
- Throttle Servo
- Tone Generator
- Turn Flasher
- Turn/Hazard Flasher
- Vacuum Release Valve
- Vacuum Tank
- Water-In-Fuel Detector (Diesel)
- Wiper/Washer Assembly
- Wiper/Washer Control
- Modules
- Motors
- Solenoids
- Switches
- Miscellaneous Components
- Specifications
- Electrical Specifications
- Mechanical Specifications
- Alignment
- Brake Drum
- Brake Master Cylinder
- Brake Rotor/Disc
- Engine
- Exhaust Manifold
- Firing Order
- Fuel Delivery and Air Induction
- Starting and Charging
- Suspension
- Transmission and Drivetrain
- Wheel Cylinder
- Pressure, Vacuum and Temperature Specifications
- Capacity Specifications
- Fluid Type Specifications
- Technical Service Bulletins
Diagnostic Trouble Codes