🏷️ Basic Information Identification Make: HUMMER Model: H2 Model Years Covered: 2003, 2004, 2005, 2006, 2007 👋 Introduction Market Position Brand Perception: The HUMMER H2, produced by AM General and later GM, was positioned as an ultra-heavy-duty, luxury off-road SUV, emphasizing its robust construction and intimidating presence, derived from military heritage. Competitive Analysis Competitors: Ford Excursion, Cadillac Escalade EXT, Lincoln Navigator, Land Rover Range Rover Key Features Off Road Capability: Robust chassis, substantial ground clearance, low-range transfer case, locking differentials (on some models), and aggressive tire options. Featured a 35-degree approach angle, 40-degree departure angle, and 25-degree breakover angle. Towing Capacity: High towing capacity, typically rated up to 8,000 lbs. Interior Appointments: Luxury-oriented interior with premium materials, spacious seating for up to seven occupants, and advanced features for its time. Manual Value Proposition Target Audience: HUMMER H2 owners, independent repair shops, and automotive enthusiasts seeking detailed technical information for maintenance and repair. 📋 Manual Details Coverage Areas Manual Type: Factory Service Repair Manual / Workshop Manual Language: English Format: Digital (ZIP Archive containing PDF files) Estimated Page Count: Thousands (as indicated by file size and description) File Size Mb: 455 📖 Manual Coverage Systems Covered Powertrain: Engine, Transmission, Drivetrain, Exhaust System Chassis: Suspension (Front & Rear), Steering, Brakes (ABS, Hydraulic, Electronic), Wheels & Tires Electrical: Body Control Module (BCM), Powertrain Control Module (PCM), Lighting, Instrumentation, Audio System, HVAC Controls, Power Accessories, Safety Systems (Airbags, Seatbelts) Body And Frame: Exterior Body Panels, Interior Trim, Doors, Windows, Hood, Tailgate, Frame Structure, Bumpers, Seating Systems Procedures Included Maintenance: Scheduled Maintenance, Oil Changes, Filter Replacements, Fluid Checks & Replacements, Belt Inspections & Replacement, Spark Plug Replacement Diagnostics: Troubleshooting Guides, Diagnostic Trouble Codes (DTCs), Symptom-Based Diagnostics, Wiring Diagrams, Component Testing Procedures Repair: Engine Overhaul, Transmission Rebuild, Suspension Component Replacement, Brake System Repair, Electrical Component Diagnosis & Replacement, Body Panel Repair & Replacement, HVAC System Repair Technical Data: Torque Specifications, Clearances, Fluid Capacities, Electrical Schematics, Component Removal & Installation Instructions Technical Depth Diagnostic Capabilities: Advanced diagnostics including PCM reprogramming, module calibration, and advanced sensor troubleshooting. Rebuild Procedures: Comprehensive procedures for complete engine and transmission rebuilds. Schematic Quality: Detailed wiring diagrams and system schematics with color coding for clarity. 📊 Manual Specifications File Format File Type: PDF (within a ZIP archive) Searchability: Searchable text within PDF documents for quick information retrieval. Print Quality Printability: Printable pages for on-the-go reference. Binding Type Binding: N/A (Digital Format) Paper Type Paper Quality: N/A (Digital Format) ⚙️ Engine Specifications Primary Engine Engine Type: Vortec 6.0L V8 (LQ4/LQ9) Displacement: 5967 cc (364 cubic inches) Performance Horsepower Early Models: 316 hp @ 4800 rpm Horsepower Later Models: 325 hp @ 5200 rpm Torque Early Models: 350 lb-ft @ 4000 rpm Torque Later Models: 365 lb-ft @ 3600 rpm Fuel System Fuel Delivery: Multi-port Fuel Injection (MPFI) Fuel Type: 87 Octane Unleaded Gasoline (minimum recommended) Engine Management Ignition System: Distributorless Ignition System (DIS) with Coil-on-Plug (COP) ignition Engine Control Module: GM Powertrain Control Module (PCM) 🔧 Transmission Standard Transmission Type: 4-Speed Automatic Transmission Model: 4L65-E (Heavy-duty variant of 4L60-E) Optional Optional Transmission: N/A (standard across all H2 models within this range) Features Transfer Case: 2-Speed Electronic Transfer Case with Lock & Neutral Gear Ratios 4L65E: 3.06:1 (1st), 1.63:1 (2nd), 1.00:1 (3rd), 0.70:1 (4th) Fluid Specifications Transmission Fluid Type: Dexron III / Dexron VI Automatic Transmission Fluid (ATF) Fluid Capacities Transmission Fluid Capacity Quarts: ~12.5 quarts (dry fill) 📐 Dimensions Exterior Length: 203.5 inches Width: 81.2 inches Height: 79.2 inches Wheelbase: 129.5 inches Weights Curb Weight Lbs: ~6,500 - 7,000 lbs Gross Vehicle Weight Rating Gvwr Lbs: ~9,200 lbs Towing Capacity Lbs: Up to 8,000 lbs Payload Capacity Lbs: ~1,500 - 2,000 lbs Interior Passenger Volume Cu Ft: ~116.2 cu ft Cargo Cargo Volume Behind 3Rd Row Cu Ft: ~45.8 cu ft Cargo Volume Behind 2Nd Row Cu Ft: ~85.8 cu ft (with 3rd row removed or folded) Wheel And Tire Standard Wheel Size: 17 inch (Aluminum) Standard Tire Size: 315/70R17 Bolt Pattern: 8 x 165 mm (8 x 6.5 inches) 🛡️ Safety Features Ratings NHTSA Rollover Resistance Rating: 3/5 stars (often cited due to high center of gravity) Active Features ABS: Standard Anti-lock Braking System (ABS) Traction Control: Standard Traction Control System (TCS) Passive Features Airbags: Frontal airbags for driver and passenger, side-impact airbags (optional or standard depending on trim/year) Seatbelts: 3-point seatbelts with pretensioners Structure: Heavy-duty steel frame and body construction designed for robustness. 💡 Technology Features Infotainment Infotainment System: Optional premium audio system, CD player, and navigation systems were available. Display Type: Center console display for climate control, audio, and optional navigation. Driver Assistance Cruise Control: Standard cruise control. Parking Assist: Optional rear parking assist sensors. Connectivity Onstar: Optional OnStar communication system available for emergency services, turn-by-turn navigation, and vehicle diagnostics. 🔧 Maintenance Service Intervals Oil Change Interval Miles: Every 7,500 miles...