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 - HVAC
- Relays and Modules - Instrument Panel
- Relays and Modules - Lighting and Horns
- Relays and Modules - Powertrain Management
- Relays and Modules - Restraints and Safety Systems
- Relays and Modules - Steering and Suspension
- Relays and Modules - Transmission and Drivetrain
- 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 - 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
- Maintenance
- Alignment
- Tune-up and Engine Performance Checks
- Drive Belt
- Filters
- Hoses
- Fluids
- Fuses and Circuit Breakers
- Wheels and Tires
- Towing Information
Technical Service Bulletins
- Engine, Cooling and Exhaust
- Engine
- Camshaft, Lifters and Push Rods
- Cylinder Block Assembly
- Cylinder Head Assembly
- Drive Belts, Mounts, Brackets and Accessories
- Engine Lubrication
- Intake Manifold
- Sensors and Switches - Engine
- Tune-up and Engine Performance Checks
Service and Repair- Removal and Replacement
- Overhaul
- Overhaul Procedure Steps
- Repair Instructions
- 1. Draining Fluids and Oil Filter Removal
- 2. Crankshaft Balancer Removal
- 3. Automatic Transmission Flex Plate Removal
- 4. Oil Level Indicator and Tube Removal
- 5. Exhaust Manifold Removal - Left Side
- 6. Exhaust Manifold Removal - Right Side
- 7. Water Pump Removal
- 8. Throttle Body Assembly Removal
- 9. Fuel Rail and Injectors Removal
- 12. Engine Block Valley Cover Removal
- 13. Valve Lifter Oil Manifold Removal
- 14. Valve Lifter Oil Filter Removal
- 15. Valve Rocker Arm Cover Removal - Left Side
- 16. Valve Rocker Arm Cover Removal - Right Side
- 17. Valve Rocker Arm and Push Rod Removal
- 18. Cylinder Head Removal - Left Side
- 19. Cylinder Head Removal - Right Side
- 20. Valve Lifter Removal
- 21. Oil Filter Removal
- 22. Oil Pan Removal
- 23. Engine Front Cover Removal
- 24. Crankshaft Rear Oil Seal Housing Removal
- 25. Oil Pump, Screen and Crankshaft Oil Deflector Removal
- 26. Timing Chain and Sprocket Removal
- 27. Camshaft Position Actuator and Solenoid Valve Removal
- 28. Camshaft Removal
- 29. Piston, Connecting Rod, and Bearing Removal
- 30. Crankshaft and Bearing Removal
- 31. Engine Block Plug Removal
- 32. Engine Block Cleaning and Inspection
- 33. Cylinder Boring and Honing
- 34. Crankshaft and Bearing Cleaning and Inspection
- 35. Crankshaft Balancer Cleaning and Inspection
- 36. Automatic Transmission Flex Plate Cleaning and Inspection
- 37. Piston and Connecting Rod Disassemble
- 38. Piston, Connecting Rod, and Bearing Cleaning and Inspection
- 39. Piston and Connecting Rod Assemble
- 40. Camshaft Bearing Removal
- 42. Camshaft Bearing Installation
- 43. Timing Chain and Sprocket Cleaning and Inspection
- 44. Camshaft Position Actuator Cleaning and Inspection
- 45. Camshaft Position Actuator Magnet Cleaning and Inspection
- 46. Camshaft Position Actuator Solenoid Valve Inspection
- 47. Valve Rocker Arm and Push Rod Cleaning and Inspection
- 49. Cylinder Head Disassemble
- 50. Cylinder Head Cleaning and Inspection
- 51. Valve Guide Reaming, and Valve and Seat Grinding
- 52. Cylinder Head Assemble
- 53. Oil Pump Disassemble
- 54. Oil Pump Cleaning and Inspection
- 55. Oil Pump Assemble
- 56. Engine Front Cover Cleaning and Inspection
- 57. Crankshaft Rear Oil Seal Housing Cleaning and Inspection
- 58. Engine Block Valley Cover Cleaning and Inspection
- 59. Valve Lifter Oil Manifold Cleaning and Inspection
- 60. Valve Rocker Arm Cover Cleaning and Inspection
- 61. Oil Pan Cleaning and Inspection
- 62. Intake Manifold Cleaning and Inspection
- 63. Exhaust Manifold Cleaning and Inspection
- 64. Engine Coolant Air Bleed Pipe and Hole Cover Cleaning and Inspection
- 65. Water Pump Cleaning and Inspection
- 66. Thread Repair
- 67. Service Prior to Assembly
- 68. Engine Block Plug Installation
- 69. Crankshaft and Bearing Installation
- 70. Piston, Connecting Rod, and Bearing Installation
- 71. Camshaft Installation
- 72. Camshaft Position Actuator, and Solenoid Valve Installation
- 73. Timing Chain and Sprocket Installation
- 75. Crankshaft Rear Oil Seal Housing Installation
- 76. Crankshaft Rear Oil Seal Installation
- 79. Oil Pan Installation
- 80. Oil Filter Installation
- 82. Cylinder Head Installation - Left Side
- 83. Cylinder Head Installation - Right Side
- 84. Valve Rocker Arm and Push Rod Installation
- 85. Valve Rocker Arm Cover Installation - Left Side
- 86. Valve Rocker Arm Cover Installation - Right Side
- 87. Engine Block Valley Cover Installation
- 88. Valve Lifter Oil Filter Installation
- 89. Valve Lifter Oil Manifold Installation
- 92. Fuel Rail and Injectors Installation
- 93. Throttle Body Assembly Installation
- 95. Exhaust Manifold Installation - Left Side
- 96. Exhaust Manifold Installation - Right Side
- 97. Oil Level Indicator and Tube Installation
- 98. Automatic Transmission Flex Plate Installation
- 99. Crankshaft Balancer Installation
- 100. Engine Prelubing
- 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
- Transmission Control Systems
- PROM - Programmable Read Only Memory
- Technical Service Bulletins
- Transmission and Drivetrain
- Automatic Transmission/Transaxle
- Clutch
- Continuously Variable Transmission/Transaxle
- Differential Assembly
- Drive Axles, Bearings and Joints
- Drive/Propeller Shafts, Bearings and Joints
- Manual Transmission/Transaxle
- Relays and Modules - Transmission and Drivetrain
- Sensors and Switches - Transmission and Drivetrain
- Transfer Case
- Transmission Control Systems
- Technical Service Bulletins
- Brakes and Traction Control
- Starting and Charging
- Power and Ground Distribution
- Steering and Suspension
- Alignment
- Relays and Modules - Steering and Suspension
- Sensors and Switches - Steering and Suspension
- Steering
- Suspension
- Wheels and Tires
- Technical Service Bulletins
- Heating and Air Conditioning
- Restraints and Safety Systems
- Accessories and Optional Equipment
- Antenna
- Antitheft and Alarm Systems
- Cellular Phone
- Collision Avoidance and Parking Assist Systems
- Emergency Contact Module
- Entertainment Systems
- Global Positioning System
- Camera
- Navigation System
- Radio, Stereo, and Compact Disc
- Relays and Modules - Accessories and Optional Equipment
- Relay Module
- Sensors and Switches - Accessories and Optional Equipment
- Towing / Trailer System
- Trailer Connector
Diagrams- Technical Service Bulletins
- Body and Frame
- Body Control Systems
- Auxiliary Step / Running Board
- Bumper
- Cowl
- 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
- Sensors and Switches - Body and Frame
- Sound Proofing / Insulation
- Tailgate
- Truck Bed
- Unibody
- Weatherstrip
- Technical Service Bulletins
- Instrument Panel, Gauges and Warning Indicators
- Audible Warning Device
- Compass
- Dashboard / Instrument Panel
- Dimmer Switch
- Fuel Gauge Sender
- Instrument Cluster / Carrier
- Odometer
- Outside Temperature Display
- Relays and Modules - Instrument Panel
- Sensors and Switches - Instrument Panel
- Tire Monitoring System
- Trailer Warning Indicator
- Transmission Shift Position Indicator Lamp
- Volt Meter Gauge
- Technical Service Bulletins
- Lighting and Horns
- Ambient Light Sensor
- Backup Lamp
- Brake Lamp
- Brake Light Switch
- Center Mounted Brake Lamp
- Courtesy Lamp
- Daytime Running Lamp
- Dimmer Switch
- Dome Lamp
- Fog/Driving Lamp
- Hazard Warning Lamps
- Headlamp
- Horn
- License Plate Lamp
- Map Light
- Marker Lamp
- Parking Lamp
- Relays and Modules - Lighting and Horns
- Sensors and Switches - Lighting and Horns
- Tail Lamp
- Turn Signals
- Vanity Lamp
Service Precautions
Description and Operation
Testing and Inspection- Initial Inspection and Diagnostic Overview
- Symptom Related Diagnostic Procedures
- - Symptoms - Lighting
- Backup Lamps Always On
- Backup Lamps Inoperative
- Clearance Lamps Inoperative
- Daytime Running Lamps (DRL) Always On
- Daytime Running Lamps (DRL) Defeat Inoperative
- Daytime Running Lamps (DRL) Inoperative (With RPO Code X88 and Z75)
- Daytime Running Lamps (DRL) Inoperative (With RPO Code Z88)
- Exterior Courtesy Lamp(s) Always On
- Exterior Courtesy Lamp(s) Inoperative
- Fog Lamp Indicator Inoperative
- Fog Lamps Always On
- Fog Lamps Inoperative
- Headlamp Low or High Beams Always On
- Headlamps Inoperative - Low Beams (High Intensity Discharge (HID))
- Headlamps Inoperative - Low Beams (Standard)
- High Beam Indicator Always On
- High Beam Indicator Inoperative
- Interior Backlighting Does Not Dim
- Interior Backlighting Inoperative
- Low and High Beams Headlamps Inoperative
- Courtesy Lamps Always On
- Courtesy Lamps Inoperative
- Courtesy Lamps Malfunction
- Hazard Lamps Always On
- Hazard Lamps Inoperative
- Headlamps Flash to Pass Inoperative
- Headlamps Inoperative - High Beams
- Park, License, and Tail Lamps Always On
- Park, License, and Tail Lamps Inoperative
- Reading Lamp(s) Inoperative
- Rear Fog Lamp Indicator Inoperative
- Rear Fog Lamps Always On
- Rear Fog Lamps Inoperative
- Roof Beacon Lamp Always On
- Roof Beacon Lamp Inoperative
- Stop Lamps Always On
- Stop Lamps Inoperative
- Turn Signal Lamps and/or Indicators Always On or Flashing
- Turn Signal Lamps and/or Indicators Inoperative
- Vanity Mirror Lamp(s) Inoperative
- Scan Tool Testing and Procedures
Locations- Above the Headliner
- Front of the I/P (Except RPO Code Z75)
- Front of the I/P (With RPO Code Z75)
- Front of the Vehicle (With RPO Code X88)
- Front of the Vehicle (With RPO Code Z75)
- Front of the Vehicle (With RPO Code Z88)
- Rear of the Vehicle (With RPO Code X88 Except RPO Code E52)
- Rear of the Vehicle (With RPO Code X88 With RPO Code E52)
- Rear of the Vehicle (With RPO Code Z75 With RPO Code E52)
- Rear of the Vehicle (With RPO Code Z75 Without RPO Code E52)
- Top Front of the Passenger Compartment
- Diagrams
- Wiring Diagram Index
- Exterior Lights Diagram 1
- Exterior Lights Diagram 2
- Exterior Lights Diagram 3
- Exterior Lights Diagram 4
- Exterior Lights Diagram 5
- Exterior Lights Diagram 6
- Exterior Lights Diagram 7
- Exterior Lights Diagram 8
- Exterior Lights Diagram 9
- Exterior Lights Diagram 10
- Exterior Lights Diagram 11
- Exterior Lights Diagram 12
- Fog Lights Diagram 1
- Fog Lights Diagram 2
- Headlights/Daytime Running Lights (DRL) Diagram 1
- Headlights/Daytime Running Lights (DRL) Diagram 2
- Headlights/Daytime Running Lights (DRL) Diagram 3
- Headlights/Daytime Running Lights (DRL) Diagram 4
- Interior Lights Diagram 1
- Interior Lights Diagram 2
- Interior Lights Diagram 3
- Interior Lights Dimming Diagram 1
- Interior Lights Dimming Diagram 2
- Interior Lights Dimming Diagram 3
- Interior Lights Dimming Diagram 4
Specifications- Technical Service Bulletins
- Windows and Glass
- Wiper and Washer Systems
- Testing and Inspection
- Initial Inspection and Diagnostic Overview
- Symptom Related Diagnostic Procedures
- Symptoms - Vehicle
- Air/Wind Noise
- Squeaks and Rattles
- Vibration Diagnosis and Correction
- Description and Operation
- Specifications
- Diagnostic Information and Procedures
- Symptoms - Vibration Diagnosis and Correction
- Brake Rotor/Drum Balance Inspection
- Component Rotational Speed Calculation
- Diagnostic Starting Point - Vibration Diagnosis and Correction
- Differential Pinion Input Shaft Runout Measurement
- Driveline Working Angles Measurement
- Engine Order Classification
- Hub/Axle Flange and Wheel Stud Runout Inspection
- Pinion Flange Runout Measurement
- Propeller Shaft Phasing Inspection
- Propeller Shaft Runout Measurement
- Tire and Wheel Assembly Isolation Test
- Tire and Wheel Assembly Runout Measurement - Off Vehicle
- Tire and Wheel Assembly Runout Measurement - On-Vehicle
- Tire and Wheel Inspection
- Torque Tube Input Flange Runout Measurement
- Transfer Case Output Flange Runout Measurement
- Vehicle-to-Vehicle Diagnostic Comparison
- Vibration Analysis - Driveline
- Vibration Analysis - Engine
- Vibration Analysis - Engine Balance
- Vibration Analysis - Engine/Accessory Isolation
- Vibration Analysis - Hub and/or Axle Input
- Vibration Analysis - Road Testing
- Vibration Analysis - Tire and Wheel
- Vibration Diagnostic Aids
- Vibration Diagnostic Aids - Vibration Duplicated, Appears to Be Potential Operating Characteristic
- Vibration Diagnostic Aids - Vibration Duplicated, Component Not Identified
- Vibration Diagnostic Aids - Vibration Duplicated, Difficult to Isolate/Balance Component
- Vibration Diagnostic Aids - Vibration Intermittent or Not Duplicated
- Vibration in Service-Stall Test (Non-Torque Sensitive)
- Vibration in Service-Stall Test (Torque Sensitive)
- Repair Instructions - Vibration Diagnosis and Correction
- Driveline System Balance Adjustment (Using EVA)
- Driveline System Balance Adjustment (Without EVA)
- Driveline Working Angles Adjustment
- Propeller Shaft Phasing Correction
- Tire and Wheel Assembly Balancing - Off Vehicle
- Tire and Wheel Assembly Balancing - On-Vehicle
- Tire and Wheel Assembly-to-Hub/Axle Flange Match-Mounting
- Tire-to-Wheel Match-Mounting (Vectoring)
- Special Tools and Equipment
- Waterleaks
- Component Tests and General Diagnostics
- Checking Aftermarket Accessories
- Circuit Testing
- Circuit Protection - Circuit Breakers
- Circuit Protection - Fuses
- Circuit Protection - Fusible Links
- Inducing Intermittent Fault Conditions
- Measuring Frequency
- Measuring Voltage
- Measuring Voltage Drop
- Probing Electrical Connectors
- Scan Tool Snapshot Procedure
- Testing for a Short to Voltage
- Testing for Continuity
- Testing for Electrical Intermittents
- Testing for Intermittent Conditions and Poor Connections
- Testing for Short to Ground
- Troubleshooting with a Digital Multimeter
- Troubleshooting With A Test Lamp
- Using Connector Test Adapters
- Using Fused Jumper Wires
- Connector Repairs
- Bosch Connectors (BSK)
- Bosch Connectors (ECM)
- AFL/EPC Connectors
- Bosch Connectors (0.64)
- Bosch Connectors (2.8 JPT)
- Connector Position Assurance Locks
- Delphi Connectors (Micro-Pack 100W)
- Delphi Connectors (Pull To Seat)
- Delphi Connectors (Push To Seat)
- Delphi Connectors (Weather Pack)
- Delphi Connectors (12 Way)
- FCI Connectors
- JST Connectors
- Kostal Connectors
- Molex Connectors
- Repairing Connector Terminals
- Sumitomo Connectors
- Terminal Position Assurance Locks
- Tyco/Amp Connectors (CM 42-Way)
- Tyco/AMP Connectors (Door Module)
- Tyco/AMP Connectors (Sensor)
- Tyco/AMP Connectors (0.25 Cap)
- Tyco/AMP Connectors (43-Way)
- Yazaki Connectors (2-Way)
- Yazaki Connectors (16-Way)
- Printed Circuit Board (PCB) Relay Testing
- Wiring Repairs
- Flat Wire Repairs
- GMLAN Wiring Repairs
- Heated Oxygen Sensor Wiring Repairs
- High Temperature Wiring Repairs
- Repairing Damaged Wire Insulation
- SIR/SRS Wiring Repairs
- Splicing Copper Wire Using Splice Clips
- Splicing Copper Wire Using Splice Sleeves
- Splicing Inline Harness Diodes
- Splicing Twisted or Shielded Cable
- Programming and Relearning
- Actuator Recalibration - HVAC System - Automatic
- Actuator Recalibration - HVAC System - Manual
- Afterblow Enable Procedure
- Audio Amplifier Programming and Setup
- Auxiliary Body Control Module Programming and Setup
- Auxiliary Heating, Ventilation, and Air Conditioning Control Module Programming and Setup
- Body Control Module Programming and Setup
- Communication Interface Module (OnStar) Programming and Setup
- Compass Calibration and Magnetic Variance
- Control Module References
- Control Module Setup
- Control Solenoid Valve and Transmission Control Module Assembly Programming and Setup (6L45/6L50/6L80/6L90)
- Crankshaft Position System Variation Learn
- Digital Radio Receiver Programming and Setup
- Digital Radio Receiver Setup
- Door Control Module Programming/RPO Configuration
- Electronic Brake Control Module Programming and Setup
- Electronic Suspension Control Module Programming and Setup
- Engine Control Module Programming and Setup
- Engine Oil Life Reset
- Garage Door Opener Programming - Universal (One LED)
- Garage Door Opener Programming - Universal (Three LEDs)
- Garage Door Opener Programming and Setup
- Garage Door Opener Transmitter Programming
- HVAC Control Module Programming and Setup
- Hydraulic Brake Booster Calibration
- Immobilizer System Component Programming
- Inflatable Restraint Vehicle Rollover Sensor Programming and Setup
- Inside Rearview Mirror Programming and Setup
- Instrument Cluster Programming and Setup
- Liftgate Control Module Programming and Setup
- Memory Seat Control Module Programming and Setup
- Object Alarm Module Programming and Setup
- OnStar Reconfiguration
- Passenger Presence System Programming and Setup
- Passenger Presence System Rezeroing
- Programming Theft Deterrent System Components
- Radio Programming and Setup
- Radio Setup
- Rearview Camera Image Display Module Programming and Setup
- Remote Control Door Lock Receiver Programming and Setup
- Remote Control Door Lock Transmitter Programming
- Seat Climate Control Module Programming and Setup
- Service Fast Learn Adapts - 6L50/6L80/6L90 - Automatic Transmission
- Service Programming System (SPS)
- Service Programming System (SPS) - How to Use
- Steering Wheel Heat Control Module Programming and Setup
- Sunroof Control Module Programming and Setup
- Suspension Position Calibration
- Theft Deterrent Control Module Programming and Setup
- Throttle Learn
- Tire Pressure Monitor Procedure
- Tire Pressure Sensor Learn
- Transfer Case Control Module Programming and Setup
- Transmission Control Module Programming and Setup
- Diagrams
- Connector Views
- Electrical Diagrams
- Accessories and Optional Equipment
- Lighting and Horns
- System Diagram
- Wiring Diagram Index
- Exterior Lights Diagram 1
- Exterior Lights Diagram 2
- Exterior Lights Diagram 3
- Exterior Lights Diagram 4
- Exterior Lights Diagram 5
- Exterior Lights Diagram 6
- Exterior Lights Diagram 7
- Exterior Lights Diagram 8
- Exterior Lights Diagram 9
- Exterior Lights Diagram 10
- Exterior Lights Diagram 11
- Exterior Lights Diagram 12
- Fog Lights Diagram 1
- Fog Lights Diagram 2
- Headlights/Daytime Running Lights (DRL) Diagram 1
- Headlights/Daytime Running Lights (DRL) Diagram 2
- Headlights/Daytime Running Lights (DRL) Diagram 3
- Headlights/Daytime Running Lights (DRL) Diagram 4
- Interior Lights Diagram 1
- Interior Lights Diagram 2
- Interior Lights Diagram 3
- Interior Lights Dimming Diagram 1
- Interior Lights Dimming Diagram 2
- Interior Lights Dimming Diagram 3
- Interior Lights Dimming Diagram 4
- Backup Lamp
- Brake Lamp
- Courtesy Lamp
- Daytime Running Lamp
- Fog/Driving Lamp
- Hazard Warning Lamps
- Headlamp
- Horn
- License Plate Lamp
- Marker Lamp
- Parking Lamp
- Tail Lamp
- Turn Signals
- Vanity Lamp
- System Diagram
- Starting and Charging
- Steering Column
- Specifications
- Technical Service Bulletins