Repair manual
Hummer H2 I facelift Repair Manual
Step-by-step repair and maintenance instructions for the Hummer H2 I facelift (2007–2009): removal, installation, adjustment, diagnostics and parameter checks with illustrations.
- Automatic Transmission - 6L50/6L80/6L90 - Removal & Installation, Service, Overhaul, Troubleshooting & Diagnosis
- Automatic Transmission - 6L50/6L80/6L90 - Introduction (2 of 2)
- Shift Lock Control
- Automatic Transmission - 6L50/6L80/6L90 - DTC P0218 to DTC P0971
- Automatic Transmission - 6L50/6L80/6L90 - DTC P0973 to DTC P2764
- Automatic Transmission - 6L50/6L80/6L90 - Introduction (1 of 2)
- Engine Performance Diagnostic Routine Outline - General Information
- Engine Performance Safety Precautions
- Parasitic Load Explanation & Test Procedures - General Information
- Waveforms - Injector Pattern Tutorial - General Information
- Electrostatic Discharge Warning - General Information
- State Emission Standards - Diesel
- Fastener Tightening Specifications
- Engine Mechanical Specifications
- Sealers, Adhesives, and Lubricants
- Diagnostic Starting Point - Engine Mechanical
- Strategy Based Diagnostics
- Visual/physical Inspection
- Intermittent
- Symptom List
- Base Engine Misfire Without Internal Engine Noises
- Base Engine Misfire with Abnormal Internal Lower Engine Noises
- Base Engine Misfire with Abnormal Valve Train Noise
- Base Engine Misfire with Coolant Consumption
- Base Engine Misfire with Excessive Oil Consumption
- Engine Noise on Start-Up, but Only Lasting a Few Seconds
- Upper Engine Noise, Regardless of Engine Speed
- Lower Engine Noise, Regardless of Engine Speed
- Engine Noise Under Load
- Engine Will Not Crank - Crankshaft Will Not Rotate
- Coolant in Combustion Chamber
- Coolant in Engine Oil
- Engine Compression Test
- Tools Required
- Oil Consumption Diagnosis
- Oil Pressure Diagnosis and Testing
- Cylinder Deactivation (Active Fuel Management) Oil Pressure Relief Valve Diagnosis and Testing
- Diagnosis and Testing
- Camshaft Position Actuator and Solenoid Valve Diagnosis and Testing
- Oil Leak Diagnosis
- Crankcase Ventilation System Inspection/diagnosis
- Diagnostic Aids
- Test Description
- Removal Procedure
- Installation Procedure
- Engine Mount Inspection
- Special Tools
- Draining Fluids and Oil Filter Removal
- Automatic Transmission Flex Plate Removal
- Engine Oil Level Indicator and Tube Removal
- Exhaust Manifold Removal - Left Side
- Exhaust Manifold Removal - Right Side
- Water Pump Removal
- Throttle Body Removal
- Fuel Rail and Injectors Removal
- Intake Manifold Removal
- Engine Coolant Air Bleed Pipe and Hole Cover Removal
- Engine Block Valley Cover Removal
- Valve Rocker Arm Cover Removal - Left Side
- Valve Rocker Arm Cover Removal - Right Side
- Valve Rocker Arm and Push Rod Removal
- Cylinder Head Removal - Left Side
- Cylinder Head Removal - Right Side
- Valve Lifter Removal
- Engine Oil Filter Removal
- Engine Oil Pan Removal
- Engine Front Cover Removal
- Crankshaft Rear Oil Seal Housing Removal
- Engine Oil Pump, Engine Oil Pump Screen and Crankshaft Oil Deflector Removal
- Camshaft Removal
- Engine Block Plug Removal
- Inspection Procedure
- Measuring the Cylinder for Oversize
- Boring Procedure
- Honing Procedure
- Cleaning Procedure
- Measuring Main Bearing Clearance - Gaging Plastic Method
- Measuring Connecting Rod Bearing Clearance - Gaging Plastic Method
- Measuring Connecting Rod Bearing Clearance - Using J 43690/J 43690-100
- Crankshaft Balancer Cleaning and Inspection
- Automatic Transmission Flex Plate Cleaning and Inspection
- Piston and Connecting Rod Disassemble
- Piston, Pin, and Piston Rings
- Measuring Piston Ring End Gap
- Connecting Rod and Bearings
- Piston and Connecting Rod Assemble
- Tool Usage Information
- Cleaning and Inspection
- Measuring Camshaft Lobe Lift
- Camshaft Position Actuator Cleaning and Inspection
- Camshaft Position Actuator Magnet Cleaning and Inspection
- Camshaft Position Actuator Solenoid Valve Inspection (On-Vehicle)
- Camshaft Position Actuator Solenoid Valve Inspection (Off-Vehicle)
- Valve Rocker Arm and Push Rod Cleaning and Inspection
- Valve Lifters
- Valve Guides
- Valve Guide Reaming
- Valve and Seat Grinding
- Assemble
- Engine Oil Pump Disassemble
- Engine Oil Pump Cleaning and Inspection
- Engine Oil Pump Assemble
- Engine Front Cover Cleaning and Inspection
- Crankshaft Rear Oil Seal Housing Cleaning and Inspection
- Engine Block Valley Cover Cleaning and Inspection
- Valve Rocker Arm Cover Cleaning and Inspection
- Engine Oil Pan Cleaning and Inspection
- Exhaust Manifold Cleaning and Inspection
- Engine Coolant Air Bleed Pipe and Hole Cover Cleaning and Inspection
- Water Pump Cleaning and Inspection
- Cylinder Head Bolt Hole Thread Repair
- Main Cap Bolt Hole Thread Repair
- Service Prior to Assembly
- Engine Block Plug Installation
- Piston Selection
- Piston, Pin, and Connecting Rod Installation
- Camshaft Installation
- Engine Oil Pump, Engine Oil Pump Screen and Crankshaft Oil Deflector Installation
- Engine Front Cover Installation
- Engine Oil Pan Installation
- Engine Oil Filter Installation
- Valve Lifter Installation
- Valve Rocker Arm and Push Rod Installation
- Valve Rocker Arm Cover Installation - Left Side
- Valve Rocker Arm Cover Installation - Right Side
- Engine Block Valley Cover Installation
- Engine Coolant Air Bleed Pipe and Hole Cover Installation
- Intake Manifold Installation
- Fuel Rail and Injectors Installation
- Throttle Body Installation
- Water Pump Installation
- Exhaust Manifold Installation - Left Side
- Exhaust Manifold Installation - Right Side
- Engine Oil Level Indicator and Engine Oil Level Indicator Tube Installation
- Automatic Transmission Flex Plate Installation
- Procedure
- General Description
- Operation
- Results of Incorrect Operation
- Drive Belt System Description
- Camshaft and Drive System
- Crankshaft
- Cylinder Heads
- Engine Block
- Exhaust Manifolds
- Intake Manifold
- Oil Pan
- Piston and Connecting Rod Assembly
- Valve Rocker Arm Cover Assemblies
- Valve Train
- Cleanliness and Care
- Separating Parts
- Gasket Use and Applying Sealants
- Separating Components
- Cleaning Gasket Surfaces
- Assembling Components
- Pipe Joint Compound
- Rtv Sealer
- Anaerobic Sealer
- Tools and Equipment
- Engine Controls and Fuel - 6.2L - Introduction (2 of 2)
- Engine Controls and Fuel - 6.2L - Troubleshooting & Diagnosis
- Engine Controls and Fuel - 6.2L - DTC P0010 to DTC P0232
- Engine Controls and Fuel - 6.2L - DTC P0300 to DTC P1175
- Engine Controls and Fuel - 6.2L - DTC P1255 to DTC P2635
- Engine Controls and Fuel - 6.2L - Introduction (1 of 2)
- Intermittent
- Reference Information
- Repair Procedures
- Circuit/System Verification
- Utility/Van Zoning
- Electrical Symbols — Part 1
- Electrical Symbols — Part 2
- Basic Knowledge Required
- Checking Aftermarket Accessories
- Probing Electrical Connectors
- Frontprobe
- Backprobe
- Tools Required
- Usage
- Measuring Voltage
- Measuring Voltage Drop
- Measuring Frequency
- With a DMM
- Fuse Powering Several Loads
- Flat Wire (Dock and Lock) Connectors
- Control Module/Component Voltage and Grounds
- Temperature Sensitivity
- Incorrect Control Module
- Salt Water Spray
- High Temperature Conditions
- Low Temperature Conditions
- Duplicating Failure Conditions
- Circuit Protection - Circuit Breakers
- Circuit Protection - Fusible Links
- Repairing a Fusible Link
- Repairing Damaged Wire Insulation
- Flat Wire Repairs
- GMLAN Repairs
- GMLAN Connector Terminal Repair
- GMLAN Wire Repair
- High Temperature Wire Repair
- Repair
- Splicing Twisted or Shielded Cable
- SIR/SRS Connector Repair (Plastic Body and Terminal Metal Pin)
- SIR/SRS Component Wire Pigtail Repair
- SIR/SRS Wire Repair
- Connector Position Assurance (CPA)
- Terminal Position Assurance (TPA)
- Connector Repairs
- Identifying Connectors
- Connector Position Assurance Locks
- Terminal Position Assurance Locks
- Repair Procedure
- Terminal Repair Procedure
- Terminal Repair
- Reinstalling Terminal
- Ignition Key Cannot Be Removed from the Ignition Lock Cylinder
- Ignition Key Cannot Turn or Sticks in Any Position