🏷️ Basic Information Identification Make: Hummer Model: H3 Year: 2006 Codes Vehicle Platform: GMT355 (GM's mid-size truck platform) 👋 Introduction Market Position Market Segment: Rugged, mid-size SUV Competitive Analysis Competitors: Jeep Wrangler, Toyota FJ Cruiser, Nissan Xterra, Ford Bronco (earlier models) Key Features Design Philosophy: Off-road capability, distinctive styling, Hummer heritage Value Proposition Manual Benefit: Empowers DIY repairs, saves money on labor costs, provides factory-level diagnostic and repair information. 📋 Manual Details Identification Product Name: 2006 Hummer H3 Service & Repair Manual Software Format Format Type: Online Software / Digital Access Access Method: Web Browser (Internet Connection Required) Device Compatibility: PC, Laptop, Smartphone, Tablet Duration Subscription Period: 1 Year (with option for renewal discounts) Language Language: English Source Licensing: Officially Licensed, Licensed information derived from OE materials Publisher Publisher: RepairSurge 📖 Manual Coverage Systems Covered Powertrain: Engine (including diagnostics, repair, and overhaul), Transmission (automatic and manual, diagnostics, repair, overhaul), Drivetrain (4WD system, transfer case, axles, driveshafts) Chassis: Suspension (front and rear, components, alignment), Steering (system components, power steering, linkage), Brakes (hydraulic system, ABS, brake components, rotor/pad replacement) Body & Electrical: Body panels, interior trim, electrical system (wiring diagrams, components, fuse/relay locations), HVAC (heating, ventilation, air conditioning), lighting, audio system, power accessories Procedures Included Maintenance: Scheduled maintenance (oil changes, filter replacements, fluid checks), component lubrication, tire rotation Repair: Component replacement (e.g., water pump, alternator, starter), diagnostic troubleshooting, system repair (e.g., fuel system, cooling system), body repair procedures Diagnostics: Troubleshooting guides, diagnostic trouble code (DTC) interpretation, circuit testing, component testing Technical Depth Depth Level: Comprehensive (suitable for DIY enthusiasts and professional technicians) Detail Level: Detailed step-by-step instructions, torque specifications, special tool requirements, exploded views, diagnostic flowcharts 📊 Manual Specifications File Format Data Format: Proprietary Web-Based Software Platform Print Quality Digital Quality: High-resolution graphics, clear text, searchable content Binding Type Binding: N/A (Digital Access) Paper Type Paper Quality: N/A (Digital Access) ⚙️ Engine Specifications Primary Engine Engine Type: Inline 5-cylinder (Vortec 3.7L) Engine Code: LLR Displacement: 3.7 Liters (226 cubic inches) Performance Horsepower: 220 hp @ 5600 rpm Torque: 225 lb-ft @ 3600 rpm Fuel System Fuel Delivery: Electronic Fuel Injection (EFI) Recommended Fuel: 87 Octane Unleaded Gasoline Lubrication Oil Capacity: 5.5 Quarts (5.2 Liters) with filter Recommended Oil Viscosity: SAE 5W-30 (check owner's manual for specific Dexos or API classifications) 🔧 Transmission Standard Transmission Type: 5-speed Manual (optional in some markets, less common) Optional Transmission Type: 4-speed Automatic (4L60-E) Features Drivetrain Configuration: Standard 4WD (Full-time with low-range gearing) Lubrication Automatic Transmission Fluid: Dexron-VI (refer to manual for exact specifications and capacity) 📐 Dimensions Exterior Length: 189.9 inches (4823 mm) Width: 80.5 inches (2045 mm) Height: 77.0 inches (1956 mm) Wheelbase: 113.0 inches (2870 mm) Weights Curb Weight: 4,700 lbs (2,132 kg) (approximate, varies by trim) Towing Capacity: Up to 6,000 lbs (2,722 kg) (when properly equipped) Gross Vehicle Weight Rating: 6,100 lbs (2,767 kg) (approximate) Cargo Cargo Volume Behind Second Row: 30.0 cubic feet (850 liters) Cargo Volume With Second Row Folded: 62.7 cubic feet (1,775 liters) 🛡️ Safety Features Ratings NHTSA Front Impact Driver: 5 Stars (2006 Model) NHTSA Front Impact Passenger: 5 Stars (2006 Model) NHTSA Side Impact Front Passenger: 5 Stars (2006 Model) IIHS Side Impact Rating: Good (2006 Model) Active Features Traction Control: Standard Electronic Stability Control: Standard (StabiliTrak) ABS: Standard 4-wheel Anti-lock Brakes Passive Features Airbags: Frontal airbags for driver and front passenger, available front side-impact airbags 💡 Technology Features Infotainment Audio System: Factory AM/FM/CD player, optional premium audio systems, available satellite radio. Connectivity: Auxiliary audio input jack (on select models). Driver Assistance Camera Systems: Rearview camera was not a standard or widely available option for the 2006 model year. 🔧 Maintenance Service Intervals Oil Change Interval: Every 7,500 miles or 6 months, whichever comes first (synthetic oil recommended). Tire Rotation Interval: Every 7,500 miles Engine Air Filter: Inspect every 15,000 miles, replace as needed or every 30,000 miles. Cabin Air Filter: Inspect every 15,000 miles, replace as needed or every 30,000 miles. Transmission Fluid Change: Check condition every 30,000 miles, service as needed based on driving conditions (refer to manual for specifics). Fluid Specifications Coolant: GM Approved (e.g., Dex-Cool, orange silicate-free hybrid organic acid technology - HOAT) Brake Fluid: DOT 3 Power Steering Fluid: GM Power Steering Fluid or equivalent (refer to manual) Known Issues Common Complaints: Interior trim creaks and rattles, potential for exhaust manifold cracks (on some engines), fuel pump failures, issues with ABS/traction control sensors. 📚 Vehicle History Brand Heritage Brand Origin: Hummer vehicles were originally developed for military use by AM General. Model Evolution Introduction Year: The H3 was introduced for the 2006 model year, positioned as the smallest and most affordable Hummer. Production Manufacturing Location: Shreveport, Louisiana, USA Production Life Cycle: 2006-2010 🏆 Awards & Recognition Recognitions Car And Driver Ranking: Named to Car and Driver's '10Best Trucks' list for 2006....