Segment:
Luxury SUV, Large SUV, Off-Road Vehicle.
Brand Perception:
Known for its imposing size, rugged styling, and off-road capability, often perceived as a status symbol.
Key Competitors:
Cadillac Escalade, Lincoln Navigator, Toyota Land Cruiser, Land Rover Range Rover.
Design Language:
Distinctive HUMMER styling, large grille, aggressive stance, high ground clearance.
Drivetrain:
Full-time 4WD system, often with locking differentials for enhanced off-road traction.
Interior Layout:
Spacious cabin designed for comfort and utility, often with premium appointments.
Off Road Capability:
High towing capacity, robust suspension, excellent approach/departure angles, strong wading depth.
Powertrain:
Engine, transmission, driveline (4WD system).
Chassis:
Suspension, steering, brakes, wheels, tires.
Electrical:
Instrument cluster, lighting, infotainment, climate controls, power accessories, security system.
Interior:
Seating, safety restraints (airbags, seatbelts), door locks, interior controls, cleaning.
Exterior:
Vehicle controls, lighting operation, exterior features.
Basic Operation:
Starting and stopping the engine, driving techniques, using vehicle controls.
Maintenance:
Recommended service intervals, fluid checks and refills, filter replacement, battery maintenance.
Safety:
Proper use of safety restraints, airbag system information, child seat installation guidance.
Troubleshooting:
Understanding warning lights and indicators, basic troubleshooting for common issues.
Cleaning Care:
Exterior and interior cleaning recommendations, stain removal.
Depth:
Covers owner-level maintenance and operation. Focuses on understanding vehicle features, proper usage, and basic upkeep, not in-depth mechanical repair.
Compatibility:
Requires Adobe Acrobat Reader or comparable PDF reader.
Searchability:
Likely text-searchable if created from an OCR'd original or digital source.
Quality:
Digital reproduction of original factory manual, quality depends on original source digitization.
Binding:
N/A (Digital PDF download)
Paper:
N/A (Digital PDF download)
Engine Type:
Vortec 6.0L V8 (LQ4/LQ9 variants)
Displacement:
5967 cc (364 cubic inches)
Bore X Stroke:
101.6 mm x 92.0 mm (4.00 in x 3.62 in)
Compression Ratio:
9.4:1 (LQ4), 10.0:1 (LQ9)
Horsepower:
Approx. 325-335 hp @ 5200 rpm (depending on specific LQ4/LQ9 variant)
Torque:
Approx. 370-375 lb-ft @ 4000 rpm (depending on specific LQ4/LQ9 variant)
Fuel Delivery:
Sequential Fuel Injection (SFI)
Fuel Type:
Unleaded Gasoline, 87 Octane (minimum recommended)
Engine Compartment Coverage
Components:
Identification of major engine components, fluid reservoirs, air intake system, battery location.
Transmission Type:
4-Speed Automatic (4L65-E)
Optional Transmission:
N/A for 2006 model year H2 SUV and SUT.
Drivetrain:
Full-time 4-Wheel Drive (4WD) with 2-speed transfer case (e.g., NV244 with electronic or manual shift).
Transfer Case Modes:
Likely includes 2WD High, 4WD High (Auto/Lock), 4WD Low.
Towing Modes:
May include a tow/haul mode for optimized shifting under load.
Length:
Approx. 203.5 inches (SUV)
Width:
Approx. 81.5 inches (excluding mirrors)
Height:
Approx. 79.2 inches (SUV)
Ground Clearance:
Approx. 9.0 inches
Cargo Volume Rear Seat Up:
Approx. 40.0 - 50.0 cubic feet (SUV, varies slightly by configuration)
Cargo Volume Rear Seat Down:
Approx. 80.0 - 90.0 cubic feet (SUV, varies slightly by configuration)
Curb Weight:
Approx. 6,500 - 6,700 lbs
Gross Vehicle Weight Rating Gvwr:
Approx. 8,600 lbs
Towing Capacity:
Approx. 7,000 lbs (SUV)
NHTSA Rollover Rating:
3-star rating (typical for large SUVs of this era)
Traction Control:
Standard, often referred to as Traction Control System (TCS).
Stability Control:
Standard, often referred to as StabiliTrak (GM's Electronic Stability Control).
ABS:
Standard Anti-lock Braking System.
Brake Assist:
Likely included.
Airbags:
Front airbags for driver and passenger, side-impact airbags (may be standard or optional).
Seatbelts:
Three-point seatbelts for all occupants, pretensioners for front seats.
Child Seat Anchors:
LATCH system (Lower Anchors and Tethers for Children).
Audio System:
Factory AM/FM stereo with CD player, optional satellite radio, premium sound systems (e.g., Bose).
Navigation:
Optional factory navigation system.
Display:
Center console display for climate, audio, and navigation (if equipped).
Rear Parking Assist:
Optional rear parking assist sensors.
Backup Camera:
Optional rearview camera system (may be integrated into nav display).
Bluetooth:
Likely not standard, potential for dealer-installed or aftermarket options.
Auxiliary Input:
May have an auxiliary audio input jack for connecting external devices.
Oil Change Interval:
Typically every 5,000 - 7,500 miles or 6 months, depending on driving conditions (refer to manual for exact recommendation).
Tire Rotation:
Every 5,000 - 7,500 miles.
Transmission Fluid:
Inspect periodically, replace according to severe duty or extended interval recommendations (consult manual).
Coolant:
Flush and refill typically around 100,000 miles or 5 years for Dex-Cool coolant.
Engine Oil Type:
SAE 8W-30 Synthetic Blend or Full Synthetic (GM spec approved).
Engine Oil Capacity:
Approx. 6 quarts (with filter change).
Transmission Fluid Type:
Dexron-III H or Dexron-VI Automatic Transmission Fluid.
Coolant Type:
GM P/N 12346290 (Orange, Dex-Cool compatible) Extended Life Coolant.
Power Steering Fluid Type:
GM P/N 12345874 (or equivalent Dexron-VI ATF in some cases).
Common Wear Items:
Ball joints, tie rod ends, brake components, catalytic converters (due to weight and load).
Electrical Gremlins:
Some owners report intermittent electrical issues, typical for vehicles of this age with complex systems.
Fuel Economy:
Notorious for poor fuel economy, a characteristic of its size and engine.
Tire Wear:
Can experience accelerated tire wear due to vehicle weight and alignment.
Coverage:
Manual may list part numbers for common filters (oil, air), and potentially fluid types/capacities.
Parent Company:
General Motors (GM)
Hummer Origin:
HUMMER vehicles originated from AM General's civilian version of the HMMWV (High Mobility Multipurpose Wheeled Vehicle).
H2 Introduction Year:
2003
H2 Platform:
Built on a modified GM TGMT800 platform, shared with the Chevrolet Tahoe/Suburban and Cadillac Escalade.
H2 Sut:
HUMMER H2 Sport Utility Truck (SUT) variant also available.
Manufacturing Location:
Mishawaka, Indiana, USA
Model Discontinuation:
HUMMER brand was discontinued by GM in 2010, with the H2 ceasing production after the 2009 model year.