This comprehensive 2008-2009 Hummer H2 Service and Repair Manual provides detailed instructions, diagrams, illustrations, wiring schematics, and specifications for all models and repairs. It's the same manual used by technicians at dealerships, ensuring you have access to the most accurate and up-to-date information.

Gain the knowledge and confidence to maintain, service, diagnose, and repair your Hummer H2 with ease. Step-by-step instructions guide you through every process, making even complex repairs manageable. You'll find everything you need to address a wide range of automotive systems, including:

* **Maintenance:** Regular upkeep and preventative measures.
* **Engine:** Performance, diagnostics, and repair of the engine and its associated components.
* **Control System:** Understanding and troubleshooting electronic control systems, including the engine control unit (ECU).
* **Mechanical:** Detailed information on the mechanical aspects of the vehicle, from the transmission to the suspension.
* **Fuel Service Specifications:** Specifications and procedures related to the fuel system, including injection and delivery.
* **Emission Control:** Information on the emissions control system to ensure compliance and proper operation.
* **Intake Exhaust Cooling:** Addressing the intake and exhaust systems, including cooling components.
* **Lube:** Guidance on lubrication systems and fluids.
* **Ignition Starting Charging:** Troubleshooting and repair of the ignition, starting, and charging systems.
* **Auto Transmission Clutch:** Understanding and repairing automatic transmissions, including the clutch system.
* **Manual Transmission:** Detailed information on manual transmission systems, including operation and repair.
* **Transfer Propeller Shaft:** Technical information on the transfer case and propeller shafts.
* **Drive Shaft:** Diagnostics and repair of the drive shaft system.
* **Differential:** Understanding and servicing the differential system.
* **Axle Suspension:** Information on the axle and suspension components, including diagnosis and repair.
* **Tire & Wheel:** Guidance on tire selection, installation, and maintenance.
* **Brake Control:** Controlling and repairing the brake system, including the anti-lock braking system (ABS).
* **Brake:** Comprehensive information on the brake system, from the master cylinder to the calipers.
* **Parking Brake:** Understanding and troubleshooting the parking brake system.
* **Steering Column:** Information on the steering column, including the steering wheel and associated components.
* **Power Steering:** Diagnostics and repair of the power steering system.
* **Air Condition:** Troubleshooting and maintaining the air conditioning system.
* **Suppl Restraint System:** Information on the supplemental restraint system, including airbags and seatbelts.
* **Seat Belt:** Proper operation and maintenance of the seatbelt system.
* **Engine Immobilizer:** Understanding and troubleshooting the engine immobilizer system.
* **Cruise Control:** Diagnostics and repairs related to the cruise control system.
* **Wiper & Washer:** Information on the windshield wiper and washer system.
* **Door Lock:** Operation and repair of the door lock system.
* **Meter Audio/Visual:** Understanding and troubleshooting the instrument cluster and audio/visual systems.
* **Horn:** Repairing and maintaining the vehicle horn.
* **Windshield/Glass Mirror:** Information on the windshield, glass, and mirrors.
* **Instrument Panel:** Repairing and troubleshooting the instrument panel and associated components.
* **Seat:** Understanding and repairing the seat system.
* **Engine Hood/ Door:** Information on the engine hood and doors, including operation and repair.
* **Exterior & Interior:** Maintenance and repair of the exterior and interior of the vehicle.
* **Electrical:** Understanding and troubleshooting the electrical system.
* **Multiplex/ Can Communication:** Information on the vehicle's communication systems, including multiplex and CAN bus.

This manual is a valuable resource for anyone who wants to keep their Hummer H2 in top condition.

The 2008-2009 Hummer H2, a behemoth of an SUV, carries the legacy of the Hummer brand known for its ruggedness and off-road prowess. This second-generation H2, produced from 2008 to 2009, boasted a powerful 6.2L Vortec V8 engine delivering 393 horsepower and 415 lb-ft of torque, making it capable of tackling challenging terrains with ease. The H2's imposing presence was further emphasized by its commanding size, measuring 187.1 inches long, 80.4 inches wide, and 76.4 inches tall. Paired with a six-speed automatic transmission, the H2 featured a full-time four-wheel-drive system with a two-speed transfer case and a limited-slip differential, ensuring superior traction and control even in demanding conditions. Inside, the H2 offered a spacious cabin, capable of comfortably seating five passengers. Its leather-appointed interior featured a comprehensive array of features, including power-adjustable seats, climate control, premium audio systems, and a navigation system. The H2 also incorporated advanced safety technologies, like anti-lock brakes, electronic stability control, and multiple airbags, providing peace of mind for both the driver and passengers.

However, despite its robust design and advanced features, owning the H2 came with its share of responsibilities. The sheer size and complexity of the vehicle meant that regular maintenance and repairs could be costly and time-consuming. Additionally, the H2's heavy weight and powerful engine resulted in relatively poor fuel economy, a concern for environmentally conscious drivers. The 2008-2009 Hummer H2 Service and Repair Manual was an indispensable tool for owners, providing detailed instructions and specifications for all aspects of the vehicle's maintenance and repair. This comprehensive guide covered everything from basic fluid changes to complex engine repairs, ensuring that owners could effectively address any issues that arose. The manual's detailed illustrations, diagrams, and step-by-step instructions made even the most challenging tasks manageable, empowering owners to take control of their H2's upkeep.