🏷️ Basic Information Identification Make: General Motors (GM) Model: Hummer H2 Model Years Covered: 2003, 2004, 2005, 2006, 2007 Codes Chassis Code: GMT900 (derived from Chevrolet Silverado/Suburban platform) 👋 Introduction Market Position Positioning: Luxury, off-road SUV with a distinctive and imposing presence, often associated with a premium and rugged image. Competitive Analysis Competitors: Ford Excursion (indirectly), other large luxury SUVs of the era. Key Features Features: Robust construction, powerful V8 engine, significant off-road capability, unique styling, spacious interior. 📋 Manual Details Coverage Areas Overall Coverage: Complete factory service and repair Page Count Total Pages: > 5000 Manual Type Type: Workshop Service Repair Manual Language Language: English Format Format: PDF Compatibility Operating Systems: All Versions of Windows & Mac, APP ISO, iPhone, iPad, Android etc. Delivery Delivery Method: Instant Download Requirements Software Requirements: Adobe PDF Reader & WinZip 📖 Manual Coverage Systems Covered Engine Mechanical: Overhaul, rebuilding, performance tuning, diagnostics Engine Management: Fuel system, ignition system, emission controls, computer diagnostics, trouble codes Transmission Drivetrain: Removal, installation, in-car servicing, U-joint and CV-joint service Brakes: Service procedures, diagnostic trouble codes, troubleshooting Suspension: Front end alignment procedures and specifications, suspension components Electrical: Complete wiring diagrams, diagnostic trouble tree charts, component testing HVAC: Air conditioning service and capacities Body And Chassis: Sunroof service, general body repairs (implied) Fuel System: Fuel pump, injectors, lines, filter replacement and diagnostics. Ignition System: Spark plugs, coils, wiring, diagnostic procedures. Cooling System: Radiator, water pump, thermostat, hoses, fan assembly service and diagnosis. Exhaust System: Catalytic converters, mufflers, pipes, exhaust manifold service. Steering System: Power steering pump, rack and pinion, steering column, alignment specifications. Wheel Bolt Pattern: 8 x 6.5 inches (8x165.1 mm) Tire Sizes: Commonly 315/70R17 Procedures Included Maintenance: Factory maintenance schedules and charts Diagnostics: Troubleshooting, diagnostic trouble codes, computer diagnostic trouble tree charts Repair: Step-by-step instructions for simple to complicated repairs Timing Belt: Timing belt replacement and service procedures Serpentine Belt: Serpentine belt routings with diagrams Diagnostic Trouble Codes: Comprehensive listing and interpretation of OBD-II codes and manufacturer-specific codes. Torque Specifications: Complete torque specifications for all major components and fasteners. Vacuum Diagrams: Detailed vacuum routing diagrams for engine and emission systems. Technical Depth Depth: Comprehensive, dealer-level detail covering all aspects from basic maintenance to full engine overhauls and rebuilding Electrical Diagrams: In-depth wiring schematics for all vehicle systems, allowing for precise troubleshooting of electrical faults. Rebuild Procedures: Detailed instructions for engine rebuilding and transmission overhauling. 📊 Manual Specifications File Format Readability: Searchable text, zoomable diagrams and pictures Print Quality Quality: Perfect quality, perfect printing (original Adobe document) Binding Type Binding: Digital (Instant Download) Paper Type Paper: N/A (Digital PDF) ⚙️ Engine Specifications Primary Engine Engine Type: Vortec 6.0L V8 SFI (LQ4) Performance Horsepower: 325 hp @ 5200 rpm (approx.) Torque: 370 lb-ft @ 4000 rpm (approx.) Fuel System Induction: Sequential Fuel Injection (SFI) Engine Variants Covered: All engine types included Technical Details Firing Order: Provided in manual 🔧 Transmission Standard Type: 4-speed automatic (4L65-E) Optional Type: N/A (4L65-E was standard) Features Features: Full electronic control, heavy-duty application for off-road use. 📐 Dimensions Exterior Length: 207.9 inches Width: 81.5 inches Height: 79.1 inches Weights Curb Weight: Approx. 8,600 lbs Towing Capacity: Approx. 10,000 lbs 🛡️ Safety Features Ratings NHTSA Rollover Resistance: N/A (Vehicle characteristics make rating difficult/comparable) Active Features Active Safety: ABS, traction control (Traction Assist), StabiliTrak (on some models) Passive Features Passive Safety: Front airbags, available side-impact airbags. 💡 Technology Features Infotainment Features: Optional navigation system, premium audio systems, DVD entertainment systems (on later models). Driver Assistance Assistance Features: Rear parking assist (optional on some models). Connectivity Connectivity Options: OnStar (subscription-based safety and communication service) available on some models. 🔧 Maintenance Service Intervals Oil Change Interval: Refer to manual for specific intervals based on driving conditions (typically 5,000-7,500 miles or 6 months) Fluid Specifications Engine Oil Type: GM dexos1™ Synthetic or equivalent (e.g., 5W-30) Transmission Fluid Type: Dexron III (H) or Dexron VI Automatic Transmission Fluid Coolant Type: GM Delco E-Spec or equivalent (typically orange silicate-free) Known Issues Common Problems: Fuel pump failures, dashboard cluster issues, front CV axle wear, potential for exhaust manifold leaks, steering components wear. Preventative Maintenance Key Items: Regular inspection of suspension and steering components, differential fluid changes, cooling system flush. 📚 Vehicle History Brand Heritage Heritage: Built upon the Hummer military lineage, known for extreme off-road capability and distinctive design. Model Evolution Evolution: Introduced as a civilian version of the military HMMWV, the H2 was designed to be more mainstream yet retain the Hummer DNA. It shared its platform with GM's full-size SUVs. Production Manufacturing Location: Mishawaka, Indiana, USA Production Run: 2003-2009 (manual covers 2003-2007) 🏆 Awards & Recognition Recognitions Off Road Awards: Often praised for its extreme off-road capability and ruggedness, though specific formal awards are less common than recognition for its niche market appeal.