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 - HVAC
- Relays and Modules - Instrument Panel
- Relays and Modules - Lighting and Horns
- Relays and Modules - Powertrain Management
- Relays and Modules - Starting and Charging
- Relays and Modules - Steering and Suspension
- Relays and Modules - Windows and Glass
- Sensors and Switches
- Sensors and Switches - Brakes and Traction Control
- Sensors and Switches - Cooling System
- 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 - Transmission and Drivetrain
- 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
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
Locations- Service and Repair
- Specifications
- Technical Service Bulletins
- Cooling System
- Coolant
- Coolant Level Indicator Lamp
- Radiator Cooling Fan
- Engine - Coolant Temperature Sensor/Switch
- Heater Core
- Heater Hose
- Lamps and Indicators - Cooling System
- Radiator
- Relays and Modules - Cooling System
- Sensors and Switches - Cooling System
- Water Pump
- Locations
Diagrams- Specifications
- Technical Service Bulletins
- 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
- Absolute Pressure Sensor
- Air Temperature Sensor ( Ambient / Intake )
- Barometric Pressure Sensor
- Body Control Module
- Central Power Supply
- Coolant Temperature Sensor/Switch (For Computer)
- Data Link Connector
- Engine Control Module
- Idle/Throttle Speed Control Unit
- Malfunction Indicator Lamp
- Manifold Pressure/Vacuum Sensor
- Memory Calibration Unit
- Oil Pressure Sensor
- Overvoltage Protection Relay
- Oxygen Sensor
- Relays and Modules - Computers and Control Systems
- Sensors and Switches - Computers and Control Systems
- Throttle Position Sensor
- Transmission Position Sensor/Switch
Service Precautions
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
- Backfires
- Cuts Out/Misses
- Detonation/Spark Knock/Pings
- Dieseling/Run-On
- Engine Cranks, But Will Not Run
- Excessive Exhaust Emissions (Odors)
- Hard to Start
- Hesitation, Sag, Stumble
- Intermittent "Engine Control System Fault" Telltale
- Intermittent Engine Stall - No Codes
- Lack of Power/Sluggish/Spongy/Stumble
- Poor Fuel Economy
- Rough, Unstable, or Incorrect Idle, Stalling
- Stall After Start
- Surges/Chuggles
- Component Tests and General Diagnostics
Adjustments- Diagrams
- Technical Service Bulletins
- Emission Control Systems
- Fuel Delivery and Air Induction
- Fuel Pressure
- Fuel Pressure Release
- Idle Speed
- Air Cleaner Housing
- Fuel
- Fuel Filter
- Fuel Injector
- Fuel Pump
- Fuel Return Line
- Fuel Supply Line
- Fuel Tank
- Idle/Throttle Speed Control Unit
- Oil Pressure Switch (For Fuel Pump)
- Relays and Modules - Fuel Delivery and Air Induction
- Sensors and Switches - Fuel Delivery and Air Induction
- Throttle Position Sensor
- Turbocharger
- Service Precautions
- Diagrams
- Specifications
- Technical Service Bulletins
Tools and Equipment
- Ignition System
- Transmission Control Systems
- PROM - Programmable Read Only Memory
- Service Precautions
- Application and ID
- Diagrams
- Diagram Information and Instructions
- Connector Views
- Electrical Diagrams
- BCM Power, Ground & Data Line
- BCM Wake-Ups
- Body Control Module (BCM)
- Emission Controls & Torque Converter Clutch (TCC)
- Engine Control System Fault Indicator & Data Line
- Engine Data Sensors & Vehicle Data Sensors
- Fuel Control & Fuel Injectors
- Ignition Controls
- Output Switch Module Data Line
- Vehicle Speed Sensor (VSS)
- Technical Service Bulletins
- Transmission and Drivetrain
- Actuators and Solenoids - Transmission and Drivetrain
- Automatic Transmission/Transaxle
- Actuators and Solenoids - A/T
- Band
- Clutch
- Fluid - A/T
- Fluid Filter - A/T
- Fluid Line/Hose
- Fluid Pan
- Governor
- Output Shaft
- Parking Pawl
- Seals and Gaskets
- Sensors and Switches - A/T
- Shift Solenoid
- Shifter A/T
- Shift Modulator
- Throttle Valve Cable/Linkage
- Torque Converter
- Transmission Cooler
- Transmission Mode Switch
- Transmission Position Sensor/Switch
- Transmission Temperature Sensor/Switch
- Valve Body
- Application and ID
- Testing and Inspection
- Service and Repair
- Diagrams
- 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
- Technical Service Bulletins
- Brakes and Traction Control
- Antilock Brakes / Traction Control Systems
- ABS Light
- Brake Fluid Accumulator
- Brake Fluid Pump Relay
- Electronic Brake Control Module
- Hydraulic Control Assembly - Antilock Brakes
- Wheel Speed Sensor
- Testing and Inspection
- Locations
- Diagrams
- Technical Service Bulletins
- Brake Bleeding
- Brake Warning Indicator
- Disc Brake System
- Hydraulic System
- Parking Brake System
- Relays and Modules - Brakes and Traction Control
- Sensors and Switches - Brakes and Traction Control
- Service and Repair
- Technical Service Bulletins
- Antilock Brakes / Traction Control Systems
- Starting and Charging
- Sensors and Switches - Starting and Charging
- Relays and Modules - 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
- Air Duct
- Blower Motor
- Compressor HVAC
- Compressor Clutch Relay
- Condenser HVAC
- Control Module HVAC
- Evaporator Case
- Evaporator Core
- Expansion Block/Orifice Tube
- Heater Core
- Heater Core Case
- Heater Hose
- Refrigerant
- Refrigerant Oil
- Relays and Modules - HVAC
- Service Port HVAC
- Service Precautions
- Testing and Inspection
- Adjustments
- Service and Repair
- Diagrams
- Specifications
- Technical Service Bulletins
- Restraints and Safety Systems
- Accessories and Optional Equipment
- Accessory Delay Module
- Antenna
- Antitheft and Alarm Systems
- Cellular Phone
- Driver/Vehicle Information Display
- Garage Door Opener Transmitter
- Radio, Stereo, and Compact Disc
- Relays and Modules - Accessories and Optional Equipment
- Relay Module
- Technical Service Bulletins
- Body and Frame
- Body Control Systems
- 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
- Weatherstrip
- Technical Service Bulletins
- Cruise Control
- Instrument Panel, Gauges and Warning Indicators
- ABS Light
- Audible Warning Device
- Audible Warning Device Control Module
- Brake Warning Indicator
- Charge Lamp/Indicator
- Cigarette Lighter
- Coolant Level Indicator Lamp
- Coolant Level Indicator Module
- Dashboard / Instrument Panel
- Dimmer Switch
- Driver/Vehicle Information Display
- Fuel Gauge Sender
- Instrument Cluster / Carrier
- Maintenance Required Lamp/Indicator
- Malfunction Indicator Lamp
- Oil Level Warning Indicator
- Oil Pressure Gauge
- Relays and Modules - Instrument Panel
- Sensors and Switches - Instrument Panel
- Speedometer Head
- Tire Monitoring System
- Transmission Shift Position Indicator Lamp
- Diagrams
- Technical Service Bulletins
- Lighting and Horns
- Backup Lamp
- Brake Lamp
- Brake Light Switch
- Center Mounted Brake Lamp
- Courtesy Lamp
- Daytime Running Lamp
- Dimmer Switch
- Fog/Driving Lamp
- Hazard Warning Lamps
- Headlamp
- Horn
- Interior Lighting Module
- License Plate Lamp
- Marker Lamp
- Parking Lamp
- Relays and Modules - Lighting and Horns
- Sensors and Switches - Lighting and Horns
- Tail Lamp
- Trunk Lamp
- Turn Signals
- Underhood Lamp
- Vanity Lamp
Description and Operation- Testing and Inspection
- Initial Inspection and Diagnostic Overview
- Reading and Clearing Diagnostic Trouble Codes
- Component Tests and General Diagnostics
- A-1 L-Code Diagnosis
- A-2 Data Circuit Problem
- A-3 1600 Power Circuit Problem
- A-4 1601 Power Circuit Problem
- A-5 1602 Power Circuit Problem
- B-1 Code L202 With L203, L206 or L210
- B-2 Code L202 With L209 or L210
- B-3 Code L204 With L205 or L206
- B-4A Code L207 With L203, L205 or L206
- B-4B Code L207 With L202 or L204
- Locations
- Diagrams
- Technical Service Bulletins
- 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
- Diagrams
- Diagram Information and Instructions
- Connector Views
- Electrical Diagrams
- Cell References
- Antenna
- Antilock Brakes / Traction Control Systems
- Antitheft and Alarm Systems
- Brake Warning Indicator
- Cooling System
- Cruise Control
- Fuel Door
- Heated Glass Element
- Heating and Air Conditioning
- Instrument Panel, Gauges and Warning Indicators
- Lighting and Horns
- Mirrors
- Power Locks
- Powertrain Management
- System Diagram
- BCM Power, Ground & Data Line
- BCM Wake-Ups
- Body Control Module (BCM)
- Emission Controls & Torque Converter Clutch (TCC)
- Engine Control System Fault Indicator & Data Line
- Engine Data Sensors & Vehicle Data Sensors
- Fuel Control & Fuel Injectors
- Ignition Controls
- Output Switch Module Data Line
- Vehicle Speed Sensor (VSS)
- Computers and Control Systems
- Emission Control Systems
- Fuel Delivery and Air Induction
- System Diagram
- Radio, Stereo, and Compact Disc
- Seats
- Starting and Charging
- Transmission and Drivetrain
- Trunk / Liftgate
- Windows
- Wiper and Washer Systems
- Mechanical Diagrams
- Fluid Diagrams
- Vacuum and Vapor Hose Diagrams
- Specifications
- Electrical Specifications
- Air Temperature Sensor ( Ambient / Intake )
- Alternator
- Barometric Pressure Sensor
- Battery
- Coolant Temperature Sensor/Switch (For Computer)
- Fuel Injector
- Idle/Throttle Speed Control Unit
- Ignition Coil
- Ignition Timing
- Manifold Pressure/Vacuum Sensor
- Pick-Up Coil, Ignition
- Throttle Position Sensor
- Voltage Regulator
- Mechanical Specifications
- Pressure, Vacuum and Temperature Specifications
- Capacity Specifications
- Electrical Specifications
- Technical Service Bulletins
Diagnostic Trouble Codes