Positioning:
The 2008 Hummer H2 was positioned as a premium, highly capable, and visually imposing full-size SUV, emphasizing off-road prowess and a distinctive, rugged image.
Competitors:
Competed with other large luxury SUVs like the Cadillac Escalade, Lincoln Navigator, Ford Excursion (though the H2 occupied a unique niche), and Range Rover.
Off Road Capability:
Renowned for its exceptional off-road capability, thanks to its robust chassis, powerful V8 engine, advanced four-wheel-drive system, and substantial ground clearance.
Towing Hauling:
Offered strong towing and hauling capacities, making it suitable for recreational activities and heavy-duty tasks.
Value Proposition:
Provides dealership-level repair and maintenance information in a user-friendly digital format, empowering owners to perform maintenance, diagnostics, and repairs themselves, saving time and money.
Engine Diagnostics:
Detailed diagnostic procedures, troubleshooting, engine mechanical, fuel system, lubrication, cooling, emissions control, ignition, starting, and charging systems.
Drivetrain:
Automatic transmission service, manual transmission (if applicable), transfer case, propeller shaft, drive shafts, differentials, axles, and suspension systems.
Brakes:
Brake system diagnostics, hydraulic systems, ABS, parking brake, brake control systems, and caliper/rotor service.
Steering Suspension:
Power steering system, steering column, suspension components (front and rear), wheel alignment, tire and wheel service.
Electrical Electronics:
Complete electrical system schematics, wiring diagrams, multiplex/CAN communication, instrument panel, lighting, accessories, horn, wiper/washer systems, power locks, and engine immobilizer.
Climate Control Safety:
Air conditioning system service, supplemental restraint system (SRS), seat belts, airbags, and related safety components.
Body Interior Exterior:
Body and chassis repair, doors, hood, glass, mirrors, interior trim, seats, exterior components, and trim.
Maintenance:
Scheduled maintenance, fluid changes, filter replacements, inspections.
Diagnostics Troubleshooting:
Step-by-step diagnostic procedures for various systems, common issue identification, fault code interpretation.
Repair Rebuild:
Complete repair and overhaul instructions for all major vehicle components and systems.
Wiring Schematics:
Detailed and comprehensive wiring diagrams for all electrical systems.
Depth:
Factory-level, dealership technician quality, covering basic maintenance to complex diagnostics and full rebuilds.
Compatibility:
Windows (Vista 32/64, XP, ME, 98, NT, 2000) and Mac compatible.
Printability:
All pages are printable, allowing users to print only necessary sections or diagrams, including enlarged views.
Binding Type:
N/A (Digital PDF format)
Paper Type:
N/A (Digital PDF format)
Organization:
Single, easy-to-use PDF manual with no need to flip through multiple books.
Engine Type:
6.2L V8 Vortec Engine
Horsepower:
393 hp @ 5700 rpm
Torque:
415 lb-ft @ 4300 rpm
Fuel Delivery:
Sequential Electronic Fuel Injection (SFI)
ECM Type:
GM's Electronic Control Module (ECM)
Displacement:
6162 cc (376 cubic inches)
Coolant Type Spec:
GM P/N 12346290 (DEX-COOL, Orange) or equivalent silicate-free, extended-life coolant (typically 50/50 mix).
Oil Type Spec:
SAE 5W-30 Synthetic Oil (GM P/N 12345651 or equivalent GM-approved)
Oil Capacity:
7 Quarts (6.6 Liters) with filter change
Transmission Type:
4-Speed Automatic Transmission (4L60-E / 4L70-E family)
Transmission Fluid Type Spec:
Dexron VI (GM P/N 88864474 or equivalent)
Transmission Fluid Capacity:
Approximately 10.9 Quarts (10.3 Liters) for a complete fill/rebuild. Drain and fill typically around 5-6 Quarts.
Transfer Case Model:
NVG243 / NVG246 (part-time 4WD system with electronic shift)
Length:
207.1 inches (5260 mm)
Width:
81.2 inches (2063 mm) (excluding mirrors)
Height:
79.2 inches (2012 mm)
Wheelbase:
130.0 inches (3302 mm)
Curb Weight:
Approximately 6,900 - 7,000 lbs (3130 - 3175 kg), depending on configuration.
Gross Vehicle Weight Rating Gvw:
9,200 lbs (4173 kg)
Towing Capacity:
Up to 9,400 lbs (4264 kg)
Cargo Volume Behind 1St Row:
Approximately 130.0 cubic feet (3681 liters)
Cargo Volume Behind 2Nd Row:
Approximately 65.0 cubic feet (1838 liters)
Standard Tire Size:
LT315/70R17
Wheel Bolt Pattern:
8 x 165.1 mm (8 x 6.5 inches)
Ground Clearance:
Approximately 16 inches (406 mm)
NHTSA Rollover Resistance Rating:
3 Stars (as it was a high-center-of-gravity vehicle)
Traction Control:
Standard StabiliTrak Electronic Stability Control and Traction Control System.
ABS:
Standard Anti-lock Braking System (ABS).
Airbags:
Driver and front passenger airbags, optional side-impact airbags.
Seat Belts:
Three-point seat belts with pretensioners for front occupants, three-point seat belts for rear occupants.
Supplemental Restraint System
Srs Coverage:
Comprehensive coverage of the Supplemental Restraint System, including airbag module replacement, sensor diagnostics, and control module service.
Infotainment System:
Base model featured a standard AM/FM stereo with CD player. Optional upgrades included premium Bose sound systems and in-dash CD changers.
Driver Assistance Features:
Standard StabiliTrak (stability control) and ABS. Optional features included rearview camera and parking assist sensors.
Connectivity Features:
Basic connectivity for the era; may have offered OnStar depending on trim and options. Limited USB or Bluetooth integration compared to modern vehicles.
Multiplex System:
Utilized GM's multiplex/CAN communication network for various vehicle systems, including engine control, transmission, ABS, and body control modules.
Oil Change Interval:
Every 7,500 miles (12,000 km) or 6 months, whichever comes first, when using synthetic oil. Consult manual for severe driving conditions.
Tire Rotation Interval:
Every 7,500 miles (12,000 km).
Transmission Fluid Change Interval:
Inspect every 45,000 miles (72,000 km), change as needed or approximately every 100,000 miles (160,000 km) depending on driving conditions and fluid condition.
Coolant Change Interval:
Initial change at 150,000 miles (240,000 km) or 5 years, then every 75,000 miles (120,000 km) or 5 years thereafter.
Brake Fluid Type Spec:
DOT 3 or DOT 4 Hydraulic Brake Fluid (GM P/N 88864166 or equivalent).
Power Steering Fluid Type Spec:
GM Power Steering Fluid P/N 12345672 or equivalent (typically Dexron III/VI based)
Transfer Case Fluid Type Spec:
GM Auto-Trak II Fluid P/N 12378507 or equivalent.
Differential Fluid Type Spec:
GM Genuine Synthetic Gear Lubricant SAE 75W-90 P/N 10523501 or equivalent API GL-5 rated.
Common Problems:
Potential issues include transfer case actuator failures, HVAC blower motor resistor failure, fuel pump issues, and potential for suspension component wear due to vehicle weight and use.
Brand Heritage:
Hummer originated from AM General, a military vehicle manufacturer known for the HMMWV (Humvee). The Hummer H1 was its civilian predecessor, emphasizing extreme off-road capability.
H2 Development:
The H2 was developed by General Motors, sharing a platform with GM's full-size truck and SUV division (GMT800, later GMT200). It was designed to offer a more luxurious and creature-comfort-oriented experience than the H1 while retaining significant off-road prowess.
Production Period:
The Hummer H2 was produced from 2003 to 2009 model years.
Manufacturing Location:
Mishawaka, Indiana, USA.
