Segment:
Mid-size SUV, known for off-road capability and distinctive styling
Key Competitors 2008:
Jeep Wrangler Unlimited, Toyota 4Runner, Ford Explorer, Nissan Xterra
Distinguishing Features:
Unique Hummer styling, robust chassis, available 4WD systems, strong off-road prowess.
Benefits Over Print:
Instant access, searchability, up-to-date information (where applicable), convenience across multiple devices, cost-effectiveness.
Areas Covered:
Engine, Drivetrain, Transmission, Brakes, Suspension, Steering, HVAC, Electrical Systems, Body, Chassis, Diagnostic Procedures, Maintenance Schedules, Troubleshooting
Estimated Page Count:
Extensive (Digital format, content dynamically presented; equivalent to over 2000 pages of printed material)
Manual Type:
Factory-Licensed Service and Repair Manual
Format:
Online Software/Web-Based Access
Access Duration:
1 Year Subscription
Engine Management:
Engine mechanical, lubrication, cooling, fuel injection, ignition, emissions control, starting, charging
Drivetrain And Transmission:
Manual transmission, automatic transmission (4L60-E), transfer case, drive shafts, axles, differentials
Suspension And Steering:
Front suspension (torsion bar), rear suspension (leaf springs), steering gear, power steering system
Brakes:
Front disc brakes, rear drum brakes (or disc depending on configuration), ABS system, parking brake
Electrical And Lighting:
Wiring diagrams, lighting system, body control module (BCM), instrument cluster, infotainment, power accessories
HVAC And Comfort:
Heating, ventilation, air conditioning (HVAC) system, climate control
Body And Chassis:
Frame, body panels, doors, windows, interior trim, bumpers, glass
Maintenance Procedures:
Oil change, filter replacement, fluid checks and changes, tire rotation, brake pad replacement, spark plug replacement
Repair Procedures:
Engine component replacement, transmission overhaul, suspension component repair, brake system service, electrical component diagnosis and replacement
Diagnostic Procedures:
Troubleshooting guides, diagnostic trouble codes (DTCs), symptom-based diagnostics
Technical Specifications:
Torque specifications, fluid capacities, clearances, diagnostic parameters
Depth Of Coverage:
Comprehensive, covering routine maintenance to complete engine and transmission rebuilds, including detailed wiring diagrams and diagnostic flowcharts.
Software Compatibility:
Web browser compatible (Chrome, Firefox, Safari, Edge, etc.) on PC, Laptop, Smartphone, Tablet
Print Capability:
Printable pages directly from the web interface (quality dependent on user's printer)
Binding Type:
Not Applicable (Digital Format)
Paper Type:
Not Applicable (Digital Format)
Transmission Type:
5-Speed Manual (Getrag MM550)
Transmission Type Automatic:
4-Speed Automatic (GM 4L60-E)
4Wd System:
Full-time 4WD with electronic locking rear differential standard. Optional: Off-Road Suspension Package with skid plates, dual-locking rear differential.
NHTSA Front Impact Driver:
★★★★☆ (4/5 Stars)
NHTSA Front Impact Passenger:
★★★★☆ (4/5 Stars)
NHTSA Side Impact Front Driver:
★★★★★ (5/5 Stars)
NHTSA Side Impact Front Passenger:
★★★★★ (5/5 Stars)
NHTSA Side Impact Rear Passenger:
★★★★☆ (4/5 Stars)
IIHS Frontal Offset:
Good
Traction Control:
Standard StabiliTrak electronic stability control
Antilock Brakes:
Standard Anti-lock Braking System (ABS)
Airbags:
Driver and front passenger airbags, front side-impact airbags
Infotainment System:
Optional AM/FM/CD/MP3 audio system, available navigation system.
Driver Assistance Features:
StabiliTrak electronic stability control, traction control.
Connectivity Options:
OnStar system (subscription-based).
Oil Change Interval:
Every 7,500 miles or 6 months, whichever comes first (synthetic oil recommended)
Tire Rotation Interval:
Every 7,500 miles
Spark Plug Replacement Interval 3.7L:
Approximately 100,000 miles (refer to manual for specific type and gap)
Engine Oil Type 3.7L:
SAE 5W-30 Synthetic
Engine Oil Capacity 3.7L:
5.5 quarts (with filter)
Transmission Fluid Type Automatic:
Dexron VI (or equivalent)
Transfer Case Fluid Type:
GM Auto-Trak II (or equivalent)
Coolant Type:
GM P/N 12346290 (Green) or equivalent extended-life coolant
Common Issues:
Radiator leaks, HVAC blower motor failure, front suspension creaks (torsion bar), potential intake manifold gasket leaks on 3.7L.
Brand Origins:
Hummer was originally founded by AM General, known for the Humvee military vehicle.
First Generation Start:
2006
Generation Overview:
The H3 was the smallest and most affordable Hummer model, introduced in 2006. The 2008 model year saw the introduction of the more powerful 5.3L V8 'Alpha' model.
Assembly Location:
Shreveport, Louisiana, USA
