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 - Cruise Control
- Relays and Modules - HVAC
- 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 - Steering and Suspension
- Relays and Modules - Transmission and Drivetrain
- Sensors and Switches
- 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 - 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 - Transmission and Drivetrain
- 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
- Using Maintenance Schedules
- Severe Service Defined
- Condition/Indicator Based Maintenance Services
- Routine Service
- Normal Service
- 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
- 50000 MI or 80000 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
- 100000 MI or 160000 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
- Seals and Gaskets
- Timing Components
- Tune-up and Engine Performance Checks
- Water Pump
Testing and Inspection- Service and Repair
- 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
- Air Flow Meter/Sensor
- Air Temperature Sensor ( Ambient / Intake )
- Camshaft Position Sensor
- Crankshaft Position Sensor
- Engine Control Module
- Knock Sensor
- Malfunction Indicator Lamp
- Memory Calibration Unit
- Output Driver
- Oxygen Sensor
- Relays and Modules - Computers and Control Systems
- Sensors and Switches - Computers and Control Systems
- Throttle Position Sensor
- Vehicle Speed Sensor
- 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
- Component Tests and General Diagnostics
- A-E Charts & Related Test Procedures
- Canister Purge Solenoid
- Ignition System Check - With Distributor Ignition (DI) System
- Ignition System Check - With Enhanced Ignition System
- Intake Manifold Tuning Valve Diagnosis
- MAP Sensor Output Diagnosis
- System Check - Idle Air Control (IAC )
- System Check - Restricted Exhaust
- System Diagnosis - Exhaust Gas Recirculation (EGR) System
- System Diagnosis - Knock Sensor (KS) With PCM
- System Diagnosis - Knock Sensor (KS) With VCM-A
- Transmission Fluid Checking Procedure
- Transmission Range (TR) Pressure Switch Assembly Circuit Check
- 4WD Low Switch Signal Check
- Scan Tool Testing and Procedures
Diagrams- Technical Service Bulletins
- Emission Control Systems
- Fuel Delivery and Air Induction
- Fuel Pressure
- Fuel Pressure Release
- Air Cleaner Housing
- Air Flow Meter/Sensor
- Diagnostic Connector - Fuel Pump
- Fuel
- Fuel Filter
- Fuel Injector
- Fuel Pressure Regulator
- Fuel Pressure Test Port
- Fuel Pressure Pulsation Damper
- Fuel Pump
- Fuel Tank
- Relays and Modules - Fuel Delivery and Air Induction
- Sensors and Switches - Fuel Delivery and Air Induction
- Throttle Body
- Throttle Position Sensor
- Turbocharger
- Variable Induction System
Service Precautions- Diagrams
- Technical Service Bulletins
- 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
- Bell Housing
- Case
- Channel Plate
- Clutch
- Extension Housing
- Fluid - A/T
- Fluid Filter - A/T
- Fluid Line/Hose
- Fluid Pan
- Fluid Pressure Sensor/Switch
- Fluid Pump
- Output Shaft
- Sensors and Switches - A/T
- Shift Solenoid
- Shift Linkage
- Sun Gear
- Torque Converter
- Torque Converter Clutch Solenoid
- Transmission Cooler
- Transmission Pressure Test Port
- Transmission Speed Sensor
- Valve Body
- Application and ID
- Testing and Inspection
- Initial Inspection and Diagnostic Overview
- Symptom Related Diagnostic Procedures
- Converter Clutch Does Not Release
- Delay In Drive and Reverse
- Drives In Neutral
- Harsh Garage Shift
- Harsh Shifts
- High or Low Shift Points
- Inaccurate Shift Points
- No Drive In All Ranges
- No Drive In Drive Range
- No Overrun Braking Manual 3-2-1
- No Park
- No Part Throttle or Delayed Downshifts
- No Reverse or Slips In Reverse
- No Torque Converter Clutch Apply
- No 1-2 Upshift, 1ST Speed Only
- No 2-3 Shift or 2-3 Shift Slipping, Rough or Hunting
- No 3-4 Shift or Rough 3-4 Shift
- Oil Out of the Vent
- Oil Pressure High or Low
- Ratcheting Noise
- Slips In 1ST Gear
- Torque Converter Clutch Shudder
- Vibration In Reverse and Whining Noise In Park
- 1-2 Shift Slipping or Rough
- 1-2 Shift Speed - High or Low
- 1ST & 4TH Gear Only
- 2ND & 3RD Gear Only
- 2ND Gear Start In Drive Range
- 3-2 Flare or Tie-Up
- Component Tests and General Diagnostics
Locations- Service and Repair
- Procedures
- Removal and Replacement
- Overhaul
- Disassemble
- Subassembly Service & Transaxle Assemble
- Case & Internal Components
- Case Assembly Inspection
- Check Valve Retainer & Ball Assembly
- Clutch Air Check
- Forward Clutch Sprag Assembly
- Inner Manual Linkage
- Input Carrier & Sun Gear
- Input Clutch Assembly
- Input Internal Gear & Output Shaft
- Low & Reverse Clutch Assembly
- Low & Reverse Support Assembly
- Oil Pump Cover & Body Assembly
- Oil Pump Cover Assembly
- Oil Pump Cover Disassemble
- Oil Pump Disassembly
- Parking Pawl
- Pump Body Assembly
- Pump Body Disassembly
- Reaction Internal Gear & Carrier Assembly Inspection
- Reaction Sun Gear & Shell
- Reverse Input & Input Clutches
- Reverse Input Clutch Assembly
- Third Accumulator Retainer & Ball Assembly
- Transmission Endplay Check
- 2-4 Band Assembly
- 3-4 Clutch Piston Travel Check
- External Components
- Case & Internal Components
- Diagrams
- Exploded Views
- Bearings and Bushings
- Case and Associated Parts
- Case Passages
- Component Locator View
- Control Valve Body 1 of 2
- Control Valve Body 2 of 2
- Internal Parts 1 of 2
- Internal Parts 2 of 2
- Oil Pump Assembly
- Parking Lock and Manual Shift Shaft Assembly
- Pump Body Passages
- Pump Cover Passages
- Pump Cover Passages: Case Side
- Seal Locations
- Spacer Plate Passages
- Spacer Plate to Case Gasket
- Spacer Plate to Valve Gasket
- Valve Body Passages
- Valve Trains
- 2-4 Servo Passages
- Fluid Diagrams
- Exploded Views
- Specifications
- Technical Service Bulletins
- Clutch
- Continuously Variable Transmission/Transaxle
- Differential Assembly
- Differential Carrier
- Differential Lock
- Drain Plug
- Fluid - Differential
- Seals and Gaskets
- Application and ID
- Testing and Inspection
- Service and Repair
- Front Axle
- On-Vehicle Service
- Unit Repair
- Rear Axle
- On-Vehicle Service
- Unit Repair
- Rear Axle - Locking/Limited Slip
- Disassembly of the Differential
- Cam Unit Disassembly 7-1/2, 7-5/8, and 8-1/2 Inch
- Cleaning and Inspection
- Cam Unit Assembly 7-1/2, 7-5/8, 8-1/2 and 8-5/8 Inch
- Adjustment of the Differential
- Left Side Gear Backlash Adjustment
- Right Side Gear Backlash Adjustment
- Thrust Block Clearance Adjustment
- Assembly of the Differential
- Semi-Floating Axle 7-5/8 Inch Ring Gear
- Semi-Floating Axle 8-5/8 Inch Ring Gear
- Rear Axle - Locking/Limited Slip
- Front Axle
- Diagrams
- Specifications
- Mechanical Specifications
- Fluid Type Specifications
- Technical Service Bulletins
- Drive Axles, Bearings and Joints
- Drive/Propeller Shafts, Bearings and Joints
- Flex Plate
- Manual Transmission/Transaxle
- Fluid - M/T
- Service and Repair
- Transmission Overhaul
- Rear Wheel Drive (RWD)
- Transmission Disassembly (Rear Wheel Drive)
- Front Housing Disassembly (Rear Wheel Drive)
- Rear Housing Disassemble (Rear Wheel Drive)
- Mainshaft and Synchronizers
- Countershaft
- Front and Rear Housings
- Shift Shaft and Shift Forks
- Input Shift Bearing Retainer Assembly
- Rear Housing Assemble (Rear Wheel Drive)
- Front Housing Assemble (Rear Wheel Drive)
- Reverse Idler Gear Assembly (Rear Wheel Drive)
- Mainshaft Assemble (Rear Wheel Drive)
- Transmission Assemble (Rear Wheel Drive)
- Four Wheel Drive (4WD)
- Transmission Disassembly (Four Wheel Drive)
- Front Housing Disassembly (Four Wheel Drive)
- Rear Housing Disassemble (Four Wheel Drive)
- Mainshaft and Synchronizers
- Countershaft
- Front and Rear Housings
- Shift Shaft and Shift Forks
- Input Shift Bearing Retainer Assembly
- Rear Housing Assemble (Four Wheel Drive)
- Front Housing Assemble (Four Wheel Drive)
- Reverse Idler Gear Assembly (Four Wheel Drive)
- Mainshaft Assemble (Four Wheel Drive)
- Transmission Assemble (Four Wheel Drive)
- Rear Wheel Drive (RWD)
- Removal/Installation
- Transmission Overhaul
- Technical Service Bulletins
- Relays and Modules - Transmission and Drivetrain
- Sensors and Switches - Transmission and Drivetrain
- Transfer Case
- Actuators and Solenoids - Transfer Case
- Control Module
- Fluid - Transfer Case
- Relays and Modules - Transfer Case
- Shifter Transfer Case
- Shift Linkage
- Transfer Case Actuator
Description and Operation- Testing and Inspection
- Initial Inspection and Diagnostic Overview
- Reading and Clearing Diagnostic Trouble Codes
- Symptom Related Diagnostic Procedures
- Borg-Warner 4472 Transfer Case
- New Venture Gear 231 - NP2 (Manual Shift 2 Speed)
- New Venture Gear 233 - NP1 (Electronic Shift 2 Speed)
- Diagnosis By Symptom - Four Wheel Drive Indicator
- Diagnosis By Symptom - Mechanical Diagnosis
- System Diagnostic Tables - Electronic Shift System
- Table A: Status Lamps Flash
- Table B: Status Lamps Did Not Turn On For Power-Up Test
- Table C: One Or Two Status Lamps Fail To Illuminate During Power-Up Test
- Table D: More Than One Status Lamp Stays On
- Table E: Transfer Case Will Not Shift Modes
- Table F: Transfer Case Will Not Shift Ranges
- Table G: Transfer Case Stuck In 4-LO
- Table H: Transfer Case Switches Into 4-LO Without Being In Neutral
- Service and Repair
- Diagrams
- Specifications
- Transmission Control Systems
- Specifications
- Technical Service Bulletins
- Brakes and Traction Control
- Antilock Brakes / Traction Control Systems
- ABS Main Relay
- Hydraulic Control Assembly - Antilock Brakes
- Wheel Speed Sensor
- Service Precautions
- Description and Operation
- Testing and Inspection
- Locations
- Diagrams
- Technical Service Bulletins
- Brake Bleeding
- 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
- Service and Repair
- Technical Service Bulletins
- Antilock Brakes / Traction Control Systems
- Starting and Charging
- Sensors and Switches - Starting and Charging
- Battery
- Charging System
- Starting System
- Power and Ground Distribution
- Auxiliary Power Outlet
- Fuse
- Fuse Block
- 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
- Locations
- Diagrams
- Technical Service Bulletins
- Power and Ground Distribution
- Auxiliary Power Outlet
- Fuse
- Fuse Block
- 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
- Steering
- Pitman Arm
- Power Steering
- Steering Column
- Air Bag(s) Arming and Disarming
- Service Precautions
- Description and Operation
- Testing and Inspection
- Locations
- Service and Repair
- Specifications
- Steering Gear
- Service Precautions
- Technical Service Bulletins
- Suspension
- Wheels and Tires
- Technical Service Bulletins
- Heating and Air Conditioning
- Accumulator HVAC
- Air Door
- Air Duct
- Blower Motor
- Blower Motor Relay
- Blower Motor Resistor
- Blower Motor Switch
- Compressor HVAC
- Compressor Clutch
- Compressor Clutch Bearing
- Compressor Clutch Coil
- Compressor Clutch Hub
- Compressor Shaft Seal
- Service Precautions
- Description and Operation
- Service and Repair
- Specifications
- Technical Service Bulletins
- Compressor Clutch Relay
- Condenser HVAC
- Control Assembly
- Coupler HVAC
- Evaporator Case
- Evaporator Core
- Evaporator Drain Tube
- Expansion Block/Orifice Tube
- Heater Core
- Heater Hose
- High Pressure Safety Valve HVAC
- Hose/Line HVAC
- Housing Assembly HVAC
- Refrigerant
- Refrigerant Oil
- Refrigerant Pressure Sensor / Switch
- Relays and Modules - HVAC
- Sensors and Switches - HVAC
- Service Port HVAC
- Vacuum Harness HVAC
- Vacuum Reservoir HVAC
- Service Precautions
- Description and Operation
- Testing and Inspection
- Locations
- 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
- Seat Occupant Sensor
- Malfunction Lamp / Indicator
- Service Precautions
- Testing and Inspection
- Diagrams
- Technical Service Bulletins
- Head Restraint System
- 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
- Antitheft and Alarm Systems
- Cellular Phone
- Radio, Stereo, and Compact Disc
- Relays and Modules - Accessories and Optional Equipment
- Relay Module
- Technical Service Bulletins
- Body and Frame
- Air Bag(s) Arming and Disarming
- Bumper
- Doors, Hood and Trunk
- Exterior Moulding / Trim
- Frame
- Interior Moulding / Trim
- Locks
- Mirrors
- Paint, Striping and Decals
- Relays and Modules - Body and Frame
- Seats
- Sensors and Switches - Body and Frame
- 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 Vent Solenoid
- Relays and Modules - Cruise Control
- Sensors and Switches - Cruise Control
- Vacuum Vent Valve
- Vehicle Speed Sensor/Transducer - Cruise Control
- Description and Operation
- Testing and Inspection
- Locations
- Diagrams
- Technical Service Bulletins
- Instrument Panel, Gauges and Warning Indicators
- Cigarette Lighter
- Dashboard / Instrument Panel
- Dimmer Switch
- Fuel Gauge Sender
- Instrument Cluster / Carrier
- Malfunction Indicator Lamp
- Odometer
- Sensors and Switches - Instrument Panel
- Speedometer Head
- Temperature Sensor (Gauge)
- Tire Monitoring System
- Transmission Shift Position Indicator Lamp
- Diagrams
- Technical Service Bulletins
- Lighting and Horns
- Backup Lamp
- Brake Lamp
- Brake Light Switch
- Daytime Running Lamp
- Dimmer Switch
- Fog/Driving Lamp
- Hazard Warning Lamps
- Headlamp
- Horn
- Interior Lighting Module
- License Plate 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
- Wiper and Washer Systems
- 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
- 1995 Medium & Heavy Duty Trucks
- 1996 Medium & Heavy Duty Trucks
- Diagrams
- Diagram Information and Instructions
- Exploded Views
- Automatic Transmission/Transaxle
- Bearings and Bushings
- Case and Associated Parts
- Case Passages
- Component Locator View
- Control Valve Body 1 of 2
- Control Valve Body 2 of 2
- Internal Parts 1 of 2
- Internal Parts 2 of 2
- Oil Pump Assembly
- Parking Lock and Manual Shift Shaft Assembly
- Pump Body Passages
- Pump Cover Passages
- Pump Cover Passages: Case Side
- Seal Locations
- Spacer Plate Passages
- Spacer Plate to Case Gasket
- Spacer Plate to Valve Gasket
- Valve Body Passages
- Valve Trains
- 2-4 Servo Passages
- Differential Assembly
- Transfer Case
- Automatic Transmission/Transaxle
- Connector Views
- Electrical Diagrams
- Cell References
- Air Bag Systems
- Antilock Brakes / Traction Control Systems
- Compact Disc Player (CD)
- Cruise Control
- Heating and Air Conditioning
- Instrument Panel, Gauges and Warning Indicators
- Keyless Entry
- Lighting and Horns
- Powertrain Management
- Radio/Stereo
- Seats
- Speaker
- Starting and Charging
- Tape Player
- Transfer Case
- Transmission Control Systems
- Fluid Diagrams
- Automatic Transmission/Transaxle
- Engine Lubrication
- Fuel Delivery and Air Induction
- Vacuum and Vapor Hose Diagrams
- Specifications
- Electrical Specifications
- Mechanical Specifications
- Air Temperature Sensor ( Ambient / Intake )
- Alignment
- Automatic Transmission/Transaxle
- Axle Nut
- Clutch, M/T
- Differential Assembly
- Engine
- Firing Order
- Flex Plate
- Heating and Air Conditioning
- Power Steering Pump
- Steering Column
- Steering Gear
- Throttle Body
- Pressure, Vacuum and Temperature Specifications
- Capacity Specifications
- Fluid Type Specifications
- Technical Service Bulletins
Diagnostic Trouble Codes
