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 - Cruise Control
- Relays and Modules - HVAC
- Relays and Modules - Instrument Panel
- Relays and Modules - Lighting and Horns
- Relays and Modules - Power and Ground Distribution
- Relays and Modules - Powertrain Management
- Relays and Modules - Restraints and Safety Systems
- Relays and Modules - Starting and Charging
- Relays and Modules - Steering and Suspension
- Relays and Modules - Windows and Glass
- Relays and Modules - Wiper and Washer Systems
- Sensors and Switches
- Sensors and Switches - Accessories and Optional Equipment
- 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 - 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
- Air Bag(s) Arming and Disarming
- 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 Control Valve
- Heater Core
- Heater Hose
- 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
- Service and Repair
- 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
- Air Temperature Sensor ( Ambient / Intake )
- Body Control Module
- Camshaft Position Sensor
- Coolant Temperature Sensor/Switch (For Computer)
- Cranking Signal
- Engine Control Module
- Idle Speed/Throttle Actuator - Electronic
- Idle/Throttle Speed Control Unit
- Main Relay (Computer/Fuel System)
- Malfunction Indicator Lamp
- Manifold Pressure/Vacuum Sensor
- Memory Calibration Unit
- Oil Pressure Sensor
- Output Driver
- Oxygen Sensor
- Power Steering Pressure Switch
- Relays and Modules - Computers and Control Systems
- Sensors and Switches - Computers and Control Systems
- Throttle Position Sensor
- Transmission Position Sensor/Switch
- Vehicle Speed Sensor
- Vehicle Speed Sensor Signal Buffer
Service Precautions
Description and Operation
Testing and Inspection- Initial Inspection and Diagnostic Overview
- - Checking the Basics
- - Description of On-Board Diagnostics
- - Diagnostic Procedure
- - Flow of Diagnosis - Start Here
- - How to Use This Section
- - Intermittent Malfunctions
- - Powertrain/On-Board Diagnostic System Check
- - Preliminary Information
- - Visual/Physical Underhood Inspection
- - Where to Start
- Diagnostic Circuit Check
- 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
- Excessive Exhaust Emissions (Odors)
- Excessive Odors - Fuel, Emissions
- Hard to Start
- Hesitation, Sag, Stumble
- High CO and HC at Idle
- High CO at High RPM
- High CO, Low or Normal HC at Idle
- High HC and CO at High RPM
- High HC at High RPM
- High HC, Low or Normal CO at Idle
- Lack of Power/Sluggish/Spongy/Stumble
- Poor Fuel Economy
- Rough, Unstable, or Incorrect Idle, Stalling
- Stalls at Idle, Deceleration
- Starts, But Stalls
- Surge, Hesitation, Stall on Acceleration
- Component Tests and General Diagnostics
- Scan Tool Testing and Procedures
- Initial Inspection and Diagnostic Overview
Adjustments
Diagrams- Technical Service Bulletins
- Emission Control Systems
- Fuel Delivery and Air Induction
- Fuel Pressure
- Fuel Pressure Release
- Idle Speed
- Air Cleaner Housing
- Diagnostic Connector - Fuel Pump
- Fuel
- Fuel Filter
- Fuel Injector
- Fuel Pump
- Fuel Return Line
- Fuel Supply Line
- Fuel Tank
- Idle Speed/Throttle Actuator - Electronic
- Idle/Throttle Speed Control Unit
- Main Relay (Computer/Fuel System)
- Relays and Modules - Fuel Delivery and Air Induction
- Sensors and Switches - Fuel Delivery and Air Induction
- Throttle Position Sensor
- Turbocharger
- Service Precautions
- Service and Repair
- Diagrams
- Specifications
- Technical Service Bulletins
Tools and Equipment
- Ignition System
- Firing Order
- Ignition Timing
- Camshaft Position Sensor
- Distributor
- Ignition Cable
- Ignition Coil
- Ignition Control Module
- Ignition Shut Down Relay (For Antitheft)
- Pick-Up Coil
- Relays and Modules - Ignition System
- Sensors and Switches - Ignition System
- Spark Plug
- Application and ID
- Description and Operation
- Locations
- Specifications
- Technical Service Bulletins
- Tools and Equipment
- Transmission Control Systems
- PROM - Programmable Read Only Memory
- Service Precautions
- Application and ID
- Description and Operation
- 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
- Clutch
- Fluid - A/T
- Fluid Filter - A/T
- Fluid Line/Hose
- Fluid Pan
- Governor
- Input Shaft
- Output Shaft
- Parking Pawl
- Seals and Gaskets
- Sensors and Switches - A/T
- Shift Linkage
- Shift Modulator
- Sun Gear
- Throttle Valve Assembly
- Throttle Valve Cable/Linkage
- Torque Converter
- Torque Converter Clutch
- Torque Converter Clutch Solenoid
- Transmission Cooler
- Transmission Mode Switch
- Transmission Position Sensor/Switch
- Transmission Temperature Sensor/Switch
- Valve Body
- Application and ID
- Description and Operation
- Testing and Inspection
- Initial Inspection and Diagnostic Overview
- Symptom Related Diagnostic Procedures
- 4T60-E Automatic Transaxle
- 440-T4, (4T60/4T60-E) Automatic Transaxle
- Converter Clutch Does Not Release
- Delayed Engagement
- Harsh N-D or D-N Shift
- Harsh Engagement or Shutter In Reverse
- Harsh or Soft 1-2 Shift
- Harsh or Soft 2-3 Shift
- Harsh or Soft 3-4 Shift
- Harsh 2-1 Downshift
- Harsh 3-2 Downshift
- Harsh 4-3 Downshift
- Incorrect Shift Speed
- No Converter Clutch Operation
- No Drive In Drive Range
- No Reverse In R Range
- No 1-2 Upshift, 1ST Speed Only
- No 2-3 Upshift, 1ST & 2ND Speeds Only
- No 3-4 Upshift
- Oil Forced Out Vent or Foaming Oil
- Oil Leak
- Oil Pressure High or Low
- Rough Torque Converter Clutch Operation
- Second Gear Starts
- Slips In Drive
- Slips In Reverse
- Will Not Hold In Park
- Component Tests and General Diagnostics
- Locations
- Service and Repair
- Diagrams
- Diagram Information and Instructions
- Diagnostic Aids
- Exploded Views
- Accumulator Cover & Governor Pipes
- Channel Plate (Case Side)
- Control Valve Assembly
- Driven Sprocket Support
- Final Drive Assembly
- Input & Reaction Carriers
- Input Clutch Assembly
- Internal Components
- Manual Linkage
- Oil Pump Assembly
- Servo Pipe Assembly
- Sprag & Roller Clutch Assembly
- Transaxle Case & Components
- 1-2 & Reverse Servo Assemblies
- 4TH Clutch & Components
- Electrical Diagrams
- Fluid 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
- 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
- ABS Light
- ABS Main Relay
- Brake Fluid Pump
- Brake Fluid Pump Relay
- Electronic Brake Control Module
- Hydraulic Assembly
- Hydraulic Control Assembly - Antilock Brakes
- Wheel Speed Sensor
- Service Precautions
- Description and Operation
- Testing and Inspection
- Initial Inspection and Diagnostic Overview
- Reading and Clearing Diagnostic Trouble Codes
- Symptom Related Diagnostic Procedures
- ABS Code Index
- Symptom Charts
- Chart B Symptom Diagnosis (ABS Lamp on & No Codes Present)
- Chart B-1 Ignition Enable Circuit
- Chart B-2 EBCM Loop Circuit Open
- Chart B-3 EBCM Loop Short to Ground
- Chart B-4 Main Relay Circuits
- Chart B-5 Anti-Lock Lamp Circuits
- Chart B-6 Miscellaneous EBCM Inputs
- Chart C, Symptom (Brake Lamp on, No ABS Lamp or Codes)
- Chart D, Symptom Diagnosis (Brake & Anti-Lock Lamps on)
- Chart D-1, Pump Does Not Run
- Chart D-2, Hydraulic Unit Functional Check
- Chart D-4, Extended Pump Operation
- Chart D-5, Pressure Switch Performance
- Chart D-6, Hydraulic Unit Leakdown
- Chart E, Symptom Diagnosis
- Chart E-1, Anti-Lock Lamp Inoperative at Key-on
- Chart E-2, Anti-Lock Lamp Dim or Inop During Crank
- Chart E-3, Valve Cycling (Chatter) During Normal Stops
- Chart E-4, Low or Spongy Brake Pedal
- Chart E-5, Poor Vehicle Tracking During Anti-Lock Stops
- Chart F, Wheel Speed Sensor Output
- Chart F-1, R/R WSS Output
- Chart F-2, L/F WSS Output
- Chart F-3, L/R WSS Output
- Chart F-4, R/F WSS Output
- Component Tests and General Diagnostics
- Diagnostic A-Charts - ABS
- Chart A-1 Codes 11 & 12
- Chart A-2 Code 21 (Main Valve)
- Chart A-3 Code 22 (LF Inlet Valve)
- Chart A-4 Code 23 (LF Outlet Valve)
- Chart A-5 Code 24 (RF Inlet Valve)
- Chart A-6 Code 25 (RF Outlet Valve)
- Chart A-7 Code 26 (Rear Inlet Valve)
- Chart A-8 Code 27 (Rear Outlet Valve)
- Chart A-9 Codes 31 35, 41, 55 or 75 (LF Wheel Speed Sensor)
- Chart A-10, Codes 32, 36, 42, 56 or 76 (RF Wheel Speed Sensor)
- Chart A-11 Codes 33, 37, 43, 57 or 77 (RR Wheel Speed Sensor)
- Chart A-12 Codes 34, 38, 44, 58 or 78 (LR Wheel Speed Sensor)
- Chart A-13 Codes 45, 46, 47, or 48 (Miss. Wheel Speed Sen Sgn)
- Chart A-14, Codes 51-54 & 71-74 (Pressure Reduction Fault)
- Chart A-15 Code 61 (EBCM Loop Circuit)
- Diagnostic Tests
- Diagnostic A-Charts - ABS
- Service and Repair
- Diagrams
- Technical Service Bulletins
- Tools and Equipment
- Brake Bleeding
- Brake Pedal Assy
- Brake Warning Indicator
- Disc Brake System
- Drum Brake System
- Hydraulic System
- Parking Brake System
- Power Brake Assist
- Relays and Modules - Brakes and Traction Control
- Sensors and Switches - Brakes and Traction Control
- Service Precautions
- Testing and Inspection
- 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
- Circuit Breaker
- Diode
- Electrical Accessory Panel
- Fuse
- Fuse Block
- Fusible Link
- Ground Strap
- Grounding Point
- Multiple Junction Connector
- Relays and Modules - Power and Ground Distribution
- Relay Box
- Wiring Harness
- Locations
- Diagrams
- Technical Service Bulletins
- Testing and Inspection
- Diagrams
- Technical Service Bulletins
- Power and Ground Distribution
- Circuit Breaker
- Diode
- Electrical Accessory Panel
- Fuse
- Fuse Block
- Fusible Link
- Ground Strap
- Grounding Point
- Multiple Junction Connector
- Relays and Modules - Power and Ground Distribution
- Relay Box
- Wiring Harness
- Locations
- Diagrams
- Technical Service Bulletins
- Steering and Suspension
- Alignment
- Relays and Modules - Steering and Suspension
- Sensors and Switches - Steering and Suspension
- Steering
- Suspension
- Ball Joint
- Control Arm
- Rear Knuckle Alignment Link
- Relays and Modules - Suspension
- Sensors and Switches - Suspension
- Stabilizer Bar
- Strut / Shock Tower
- Suspension Control ( Automatic - Electronic )
- Suspension Spring ( Coil / Leaf )
- Suspension Strut / Shock Absorber
- Wheel Bearing
- Wheel Hub
- Description and Operation
- Adjustments
- Specifications
- Technical Service Bulletins
- Wheels and Tires
- Specifications
- Technical Service Bulletins
- Heating and Air Conditioning
- Accumulator HVAC
- Air Door
- Ambient Temperature Sensor / Switch HVAC
- Aspirator
- Blower Motor
- Cabin Temperature Sensor / Switch
- Compressor HVAC
- Compressor Clutch Diode HVAC
- Compressor Clutch Relay
- Condenser HVAC
- Control Assembly
- Control Module HVAC
- Evaporator Core
- Expansion Block/Orifice Tube
- Fuse HVAC
- Heater Control Valve
- Heater Core
- Heater Hose
- High Pressure Safety Valve HVAC
- Hose/Line HVAC
- Refrigerant
- Refrigerant Filter
- Refrigerant Oil
- Refrigerant Pressure Sensor / Switch
- Refrigerant Temperature Sensor
- Relays and Modules - HVAC
- Sensors and Switches - HVAC
- Service Port HVAC
- Vacuum Reservoir HVAC
- Vacuum Restrictor HVAC
- Service Precautions
- Description and Operation
- Testing and Inspection
- Adjustments
- Service and Repair
- Diagrams
- Specifications
- Technical Service Bulletins
- Tools and Equipment
- Restraints and Safety Systems
- Air Bag Systems
- Air Bag(s) Arming and Disarming
- Air Bag
- Air Bag Control Module
- Air Bag Resistor
- Clockspring Assembly / Spiral Cable
- Impact Sensor
- Standby Power Supply
- Malfunction Lamp / Indicator
- Service Precautions
- Description and Operation
- Testing and Inspection
- Service and Repair
- Diagrams
- Technical Service Bulletins
- Head Restraint System
- Knee Diverter
- Relays and Modules - Restraints and Safety Systems
- Seat Belt Systems
- Sensors and Switches - Restraints and Safety Systems
- Technical Service Bulletins
- Air Bag Systems
- Accessories and Optional Equipment
- Accessory Delay Module
- Antenna
- Antitheft and Alarm Systems
- Alarm Module
- Antitheft Relay
- Door Sensor/Switch (For Alarm)
- Ignition Shut Down Relay (For Antitheft)
- Security Lamp/Indicator
- Application and ID
- Description and Operation
- Testing and Inspection
- Service and Repair
- Diagrams
- Specifications
- Technical Service Bulletins
- Driver/Vehicle Information Display
- Garage Door Opener Transmitter
- Radio, Stereo, and Compact Disc
- Relays and Modules - Accessories and Optional Equipment
- Relay Module
- Sensors and Switches - Accessories and Optional Equipment
- Towing / Trailer System
- Technical Service Bulletins
- Body and Frame
- Air Bag(s) Arming and Disarming
- Body Control Systems
- Bumper
- Doors, Hood and Trunk
- Exterior Moulding / Trim
- Fender
- Frame
- Interior Moulding / Trim
- Locks
- Mirrors
- Paint, Striping and Decals
- Relays and Modules - Body and Frame
- Roof and Associated Components
- Seats
- Head Rest
- Head Restraint System
- Power Seat Control Module
- Power Seat Drive Cable
- Power Seat Motor
- Power Seat Solenoid
- Power Seat Switch
- Seat Back
- Seat Cover
- Seat Cushion
- Seat Temperature Element
- Vacuum/Pressure Pump
- Locations
- Diagrams
- Technical Service Bulletins
- Sensors and Switches - Body and Frame
- Strut / Shock Tower
- Unibody
- Weatherstrip
- Technical Service Bulletins
- Cruise Control
- Brake Switch (Cruise Control)
- Clutch Switch
- Cruise Control Module
- Cruise Control Servo
- Cruise Control Servo Cable
- Cruise Control Switch
- Cruise Control Vacuum Solenoid
- Cruise Control Vacuum Vent Solenoid
- Relays and Modules - Cruise Control
- Sensors and Switches - Cruise Control
- Description and Operation
- Testing and Inspection
- Diagrams
- Technical Service Bulletins
- Instrument Panel, Gauges and Warning Indicators
- ABS Light
- Audible Warning Device Control Module
- Brake Warning Indicator
- Clock
- Coolant Level Indicator Lamp
- Dashboard / Instrument Panel
- Dimmer Switch
- Driver/Vehicle Information Display
- Fuel Distance/Mileage Module
- Fuel Gauge
- Fuel Gauge Sender
- Instrument Cluster / Carrier
- Key Reminder Switch
- Low Fuel Lamp/Indicator
- Maintenance Required Lamp/Indicator
- Malfunction Indicator Lamp
- Odometer
- Oil Change Reminder Lamp
- Oil Pressure Gauge
- Oil Pressure Warning Lamp/Indicator
- Relays and Modules - Instrument Panel
- 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
- Volt Meter Gauge
- Description and Operation
- Testing and Inspection
- Initial Inspection and Diagnostic Overview
- Symptom Related Diagnostic Procedures
- A Symptom Table - Instrument Panel With Digital Cluster
- A Symptom Table - Instrument Panel With Standard Cluster
- Symptom Diagnostic Tests - Instrument Panel With Digital Cluster
- Symptom Diagnostic Tests - Instrument Panel With Standard Cluster
- B: Fuel Display Reads Flashing "E" All the Time
- C: Speedometer Does Not Operate, or Is Inaccurate
- G: Stop Eng Oil Light Does Not Light In Run (Eng Not Running)
- H: Stop Engine Oil Indic Won't Go Out After Engine Is Running
- I: Service Air Conditioner Indicator Does Not Come on
- J: Service Air Conditioner Indicator Does Not Turn Off
- Component Tests and General Diagnostics
- Service and Repair
- Diagrams
- Technical Service Bulletins
- Lighting and Horns
- Ambient Light Sensor
- Backup Lamp
- Brake Lamp
- Brake Light Switch
- 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
- Turn Signals
- Diagrams
- Technical Service Bulletins
- Windows and Glass
- Heated Glass Element
- Rear Defogger
- Relays and Modules - Windows and Glass
- Sensors and Switches - Windows and Glass
- Windows
- Windshield
- Technical Service Bulletins
- Wiper and Washer Systems
- Relays and Modules - Wiper and Washer Systems
- Sensors and Switches - Wiper and Washer Systems
- Washer Fluid Level Indicator
- Washer Fluid Level Switch
- Windshield Washer Motor
- Wiper Blade
- Wiper Control Module
- Wiper Gear Box
- Wiper Motor
- 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 Clutch Diode
- A/C Compressor Clutch
- Air Inlet Valve Vacuum Actuator
- Anti-Lock Brake Controller Fuse
- Anti-Lock Diode
- Aspirator, HVAC
- Astro Roof Actuator Assembly
- Automatic Door Lock Controller
- Brake Hydraulic Unit
- Climate Control Panel
- Console Inline Fuse
- Coolant Fan Resistor
- Cruise Control Servo
- Defrost Valve Vacuum Actuator
- Electronic Climate Control
- Electronic Level Control Compressor
- Fuel Data Center
- Fuel Injectors
- Fuel Pump Test Point
- Fuse Block
- Fusible Link A
- Fusible Link B
- Fusible Link C
- Fusible Link D
- Fusible Link E
- Fusible Link F
- Fusible Link G
- Fusible Link K
- Fusible Link M
- Fusible Link N
- Fusible Link P
- Hazard Flasher
- Heater Water Valve Vacuum Actuator
- Horn Brush/Slip Ring
- Idle Speed Control
- Illuminated Entry Timer
- Inline Fuse B
- Jump Start Junction Block
- Left Coolant Fan
- Main Valve
- Mode Valve Vacuum Actuator
- Opera Lights Inverter
- PCV Valve
- Power
- Pull Down Unit
- Recliner Capacitor
- RH Information Center
- Seat Air Pump Assembly
- Seat Heater
- Service Engine Soon Lamp
- SIR Coil Assembly
- Sunroof Actuator Assembly
- Theft Deterrent Controller
- Theft Deterrent Diode
- Thermac
- Transceiver
- Turn Signal Flasher
- Twilight Sentinel
- Twilight Sentinel Amplifier
- Twilight Sentinel Photocell
- Vacuum Delay Porous Plug
- Vacuum Tank
- Valve Block
- VCC
- Modules
- Body Computer Module
- Calibration Timer Module
- Diagnostic/Energy Reserve Module (DERM)
- Electronic Brake Control (EBCM) Module
- Electronic Climate Control Power Module
- Electronic Control Module (ECM)
- Electronic Control Module Computer Harness
- Express Down Window Module
- Heated Windshield Control Module
- Heated Windshield Power Module
- Initiator Module
- Key Pad Module
- Lumbar Control Module
- Multi-Function Chime Module
- Pass Key Decoder Module
- Radio Mute Module
- Resistor Module
- Roof Timer Module
- Seat Memory Module
- Theft Deterrent Module
- Motors
- Relays
- A/C Compressor Control Relay
- ABS Main Relay
- Amplifier Relay
- Antenna Relay
- Anti-Lock Brake Pump Relay
- Direction Relay
- Horn Relay
- Latch Relay
- Medium Speed Coolant Fan Relay
- Rear Defogger Relay
- Coolant Fan Relays
- Door Lock Relay Assembly
- High Speed Coolant Fan Relay
- Main Relay
- Relay Center
- Retained Accessory Power (RAP) Relay
- Starter Enable Relay
- Starter Interrupt Relay
- Theft Deterrent Relay
- Sensors
- Coolant Temperature Sensor
- Dual Sensor
- Electronic Level Control (ELC) Height Sensor
- Forward Discriminating Sensor
- Forward Sensor
- In-Car Temperature Sensor
- Manifold Absolute Pressure (MAP) Sensor
- Manifold Air Temperature (MAT) Sensor
- Outside Temperature Sensor
- Oxygen Sensor
- Refrigerant High Side Temperature Sensor
- Refrigerant Low Side Temperature Sensor
- Speed Sensors
- Throttle Position Sensor (TPS)
- Vehicle Speed Sensor
- Wheel Speed Sensor
- Solenoids
- Switches
- A/C Low Pressure Switch
- Air Switch Solenoid
- Brake Fluid Level Switch
- Brake Switch
- Cruise/Brake Switch
- Cruise/Viscous Converter Clutch Brake Switch
- Engine Metal Temperature Switch
- Headlamp Dimmer Switch
- Hydraulic Pressure Switch
- Ignition Key Warning Switch
- Ignition Switch
- LH Seat Switch
- Limit Switch
- Neutral Safety Back Up Switch
- Oil Pressure Sensor/Switch
- Oil Pressure Switch
- Park Brake Switch
- Park Neutral Switch
- Power Steering Pressure Switch
- Safety Belt Switch
- Third & Fourth Switch
- Transaxle Temperature Switch/Sensor
- Turn Signal/Hazard Switch
- Washer Fluid Level Switch
- Text Description
- Connector Locations
- Fuse and Fusible Link Locations
- Ground Locations
- Splice Locations
- Component Locations
- Diagrams
- Diagram Information and Instructions
- Diagnostic Aids
- Exploded Views
- Automatic Transmission/Transaxle
- Accumulator Cover & Governor Pipes
- Channel Plate (Case Side)
- Control Valve Assembly
- Driven Sprocket Support
- Final Drive Assembly
- Input & Reaction Carriers
- Input Clutch Assembly
- Internal Components
- Manual Linkage
- Oil Pump Assembly
- Servo Pipe Assembly
- Sprag & Roller Clutch Assembly
- Transaxle Case & Components
- 1-2 & Reverse Servo Assemblies
- 4TH Clutch & Components
- Heating and Air Conditioning
- Automatic Transmission/Transaxle
- Connector Views
- Electrical Diagrams
- Cell References
- Accessory Delay Module
- Air Bag Systems
- Antenna
- Antilock Brakes / Traction Control Systems
- Antitheft and Alarm Systems
- Brake Warning Indicator
- Cruise Control
- Doors
- Fuel Door
- Heated Glass Element
- Heating and Air Conditioning
- Instrument Panel, Gauges and Warning Indicators
- Lighting and Horns
- System Diagram
- Backup Lamp
- Brake Lamp
- Courtesy Lamp
- Hazard Warning Lamps
- Headlamp
- Horn
- License Plate Lamp
- Marker Lamp
- Parking Lamp
- Tail Lamp
- Turn Signals
- Mirrors
- Power Locks
- Powertrain Management
- Radiator Cooling Fan Motor
- Radio, Stereo, and Compact Disc
- Seats
- Starting and Charging
- Sunroof / Moonroof
- Suspension Control ( Automatic - Electronic )
- Transmission and Drivetrain
- Trunk / Liftgate
- Vacuum Pump, Brakes
- Windows
- Wiper and Washer Systems
- Mechanical Diagrams
- Fluid Diagrams
- Vacuum and Vapor Hose Diagrams
- Components
- Additional Information
- Miscellaneous Components
- A/C Clutch Diode
- A/C Compressor Clutch
- Air Inlet Valve Vacuum Actuator
- Anti-Lock Brake Controller Fuse
- Anti-Lock Diode
- Aspirator, HVAC
- Astro Roof Actuator Assembly
- Automatic Door Lock Controller
- Brake Hydraulic Unit
- Climate Control Panel
- Console Inline Fuse
- Coolant Fan Resistor
- Cruise Control Servo
- Defrost Valve Vacuum Actuator
- Electronic Climate Control
- Electronic Level Control Compressor
- Fuel Data Center
- Fuel Injectors
- Fuel Pump Test Point
- Fuse Block
- Fusible Link A
- Fusible Link B
- Fusible Link C
- Fusible Link D
- Fusible Link E
- Fusible Link F
- Fusible Link G
- Fusible Link K
- Fusible Link M
- Fusible Link N
- Fusible Link P
- Hazard Flasher
- Heater Water Valve Vacuum Actuator
- Horn Brush/Slip Ring
- Idle Speed Control
- Illuminated Entry Timer
- Inline Fuse B
- Jump Start Junction Block
- Left Coolant Fan
- Main Valve
- Mode Valve Vacuum Actuator
- Opera Lights Inverter
- PCV Valve
- Power
- Pull Down Unit
- Recliner Capacitor
- RH Information Center
- Seat Air Pump Assembly
- Seat Heater
- Service Engine Soon Lamp
- SIR Coil Assembly
- Sunroof Actuator Assembly
- Theft Deterrent Controller
- Theft Deterrent Diode
- Thermac
- Transceiver
- Turn Signal Flasher
- Twilight Sentinel
- Twilight Sentinel Amplifier
- Twilight Sentinel Photocell
- Vacuum Delay Porous Plug
- Vacuum Tank
- Valve Block
- VCC
- Modules
- Body Computer Module
- Calibration Timer Module
- Diagnostic/Energy Reserve Module (DERM)
- Electronic Brake Control (EBCM) Module
- Electronic Climate Control Power Module
- Electronic Control Module (ECM)
- Electronic Control Module Computer Harness
- Express Down Window Module
- Heated Windshield Control Module
- Heated Windshield Power Module
- Initiator Module
- Key Pad Module
- Lumbar Control Module
- Multi-Function Chime Module
- Pass Key Decoder Module
- Radio Mute Module
- Resistor Module
- Roof Timer Module
- Seat Memory Module
- Theft Deterrent Module
- Motors
- Relays
- A/C Compressor Control Relay
- ABS Main Relay
- Amplifier Relay
- Antenna Relay
- Anti-Lock Brake Pump Relay
- Direction Relay
- Horn Relay
- Latch Relay
- Medium Speed Coolant Fan Relay
- Rear Defogger Relay
- Coolant Fan Relays
- Door Lock Relay Assembly
- High Speed Coolant Fan Relay
- Main Relay
- Relay Center
- Retained Accessory Power (RAP) Relay
- Starter Enable Relay
- Starter Interrupt Relay
- Theft Deterrent Relay
- Sensors
- Coolant Temperature Sensor
- Dual Sensor
- Electronic Level Control (ELC) Height Sensor
- Forward Discriminating Sensor
- Forward Sensor
- In-Car Temperature Sensor
- Manifold Absolute Pressure (MAP) Sensor
- Manifold Air Temperature (MAT) Sensor
- Outside Temperature Sensor
- Oxygen Sensor
- Refrigerant High Side Temperature Sensor
- Refrigerant Low Side Temperature Sensor
- Speed Sensors
- Throttle Position Sensor (TPS)
- Vehicle Speed Sensor
- Wheel Speed Sensor
- Solenoids
- Switches
- A/C Low Pressure Switch
- Air Switch Solenoid
- Brake Fluid Level Switch
- Brake Switch
- Cruise/Brake Switch
- Cruise/Viscous Converter Clutch Brake Switch
- Engine Metal Temperature Switch
- Headlamp Dimmer Switch
- Hydraulic Pressure Switch
- Ignition Key Warning Switch
- Ignition Switch
- LH Seat Switch
- Limit Switch
- Neutral Safety Back Up Switch
- Oil Pressure Sensor/Switch
- Oil Pressure Switch
- Park Brake Switch
- Park Neutral Switch
- Power Steering Pressure Switch
- Safety Belt Switch
- Third & Fourth Switch
- Transaxle Temperature Switch/Sensor
- Turn Signal/Hazard Switch
- Washer Fluid Level Switch
- Text Description
- Connectors
- Fuse and Fusible Links
- Grounds
- Splices
- Specifications
- Electrical Specifications
- Air Temperature Sensor ( Ambient / Intake )
- Alternator
- Antitheft and Alarm Systems
- Battery
- Canister Purge Solenoid
- Coolant Temperature Sensor/Switch (For Computer)
- EGR Control Solenoid
- Fuel Injector
- Fuse
- Idle/Throttle Speed Control Unit
- Ignition System
- Oxygen Sensor
- Starter Solenoid
- Throttle Position Sensor
- Transmission Temperature Sensor/Switch, A/T
- Vehicle Speed Sensor
- Voltage Regulator
- Mechanical Specifications
- Air Injection Control Valve
- Air Injection Pump
- Air Temperature Sensor ( Ambient / Intake )
- Ambient Temperature Sensor / Switch HVAC
- Blower Motor
- Brake Caliper
- Brake Drum
- Brake Hose/Line
- Brake Master Cylinder
- Brake Rotor/Disc
- Cabin Temperature Sensor / Switch
- Control Module HVAC
- Coolant Temperature Sensor/Switch (For Computer)
- Distributor, Ignition
- EGR Control Solenoid
- Engine
- System Specifications
- Camshaft, Lifters and Push Rods
- Cylinder Block Assembly
- Cylinder Head Assembly
- Drive Belt
- Intake Manifold
- Oil Pan, Engine
- Oil Pressure Sensor
- Oil Pump, Engine
- Evaporative Emission Control Canister
- Evaporator Core
- Exhaust Manifold
- Firing Order
- Fuel Delivery and Air Induction
- Ignition Timing
- Manifold Pressure/Vacuum Sensor
- Oxygen Sensor
- Spark Plug
- Steering and Suspension
- Transmission and Drivetrain
- Vehicle Speed Sensor
- Water Pump
- Wheel Cylinder
- Pressure, Vacuum and Temperature Specifications
- Capacity Specifications
- Fluid Type Specifications
- Electrical Specifications
- Technical Service Bulletins
Diagnostic Trouble Codes