🏷️ Basic Information Identification Make: General Motors (GM) Model: Hummer H3 Generation Generation Designation: First Generation (2006-2010) Production Years Covered By Manual: 2006, 2007, 2008, 2009 Codes Vehicle Identification Number Vin Prefix: 5GB 👋 Introduction Market Position Target Audience: Hummer H3 owners and independent repair shops seeking comprehensive repair and maintenance information Competitive Analysis Value Proposition: Provides factory-level repair data equivalent to dealership service manuals, enabling significant cost savings on repairs and maintenance Key Features Manual Advantage: Facilitates effortless repair of simple to complex issues with clear, step-by-step instructions and visual aids Content Breadth: Covers everything needed to repair, maintain, rebuild, refurbish, or restore the vehicle 📋 Manual Details Coverage Areas Primary Coverage: Comprehensive factory service and repair for the GM Hummer H3 Model Variants Covered: All Hummer H3 models and all engine types Page Count Total Pages: Over 5000 pages Manual Type Manual Type: Workshop Service Repair Manual Language Language: English Format Digital Format: PDF 📖 Manual Coverage Systems Covered Powertrain: Engine overhaul and rebuilding, transmission removal/installation, in-car transmission servicing Chassis: Brakes (servicing procedures, troubleshooting), front end and alignment, suspension, U-joints and CV-joints Body And Interior: Sunroof Electrical And Diagnostics: Wiring diagrams, trouble codes, computer diagnostic trouble tree charts, troubleshooting and diagnostics HVAC: Air conditioning service and capacities Procedures Included Maintenance: Factory maintenance schedules and charts, routine servicing Repair: Step-by-step repair procedures for simple to complicated repairs Engine Service: Timing belt replacement, serpentine belt routings with diagrams, timing belt service procedures Diagnostic Procedures: Engine performance analysis, computer diagnostic codes, driving concerns troubleshooting Technical Depth Depth Of Information: Complete factory level detail, suitable for professional technicians and DIY enthusiasts Data Availability: Detailed illustrations, diagrams, specifications, and wiring schematics 📊 Manual Specifications File Format Format Details: Adobe PDF, fully indexed and bookmarked by topic, searchable text Print Quality Print Capability: Perfect quality for printing entire manual or selected pages Zoom Functionality Visual Aid Capability: Zoomable diagrams and pictures for detailed part viewing Compatibility Device Compatibility: All versions of Windows & Mac, APP ISO, iPhone, iPad, Android Software Requirements Required Software: Adobe PDF Reader & WinZip Delivery Download Method: Instant download upon payment completion ⚙️ Engine Specifications Primary Engine Engine Type Standard: 3.5L Vortec Inline-5 Cylinder (LL8) Engine Type Optional Early: 3.7L Vortec Inline-5 Cylinder (LLM) Engine Type Optional Late: 5.3L Vortec V8 (LH6) Performance 3.5L Horsepower: 205 hp @ 5600 rpm 3.5L Torque: 220 lb-ft @ 2800 rpm 3.7L Horsepower: 242 hp @ 5600 rpm 3.7L Torque: 242 lb-ft @ 4600 rpm 5.3L Horsepower: 300 hp @ 5200 rpm 5.3L Torque: 320 lb-ft @ 4000 rpm Fuel System Fuel Delivery: Multi-port Fuel Injection (MPFI) Engine Service Procedures Engine Overhaul Detail: Comprehensive procedures for complete engine disassembly, inspection, and reassembly 🔧 Transmission Standard Transmission Type Standard: 4-speed automatic (4L60-E) Optional Transmission Type Optional: 5-speed manual (NV1500, standard on early 3.5L models) Features Transmission Overhaul Coverage: In-car servicing and complete removal/installation procedures for both automatic and manual transmissions 📐 Dimensions Exterior Wheelbase: 113.0 inches Overall Length: 189.7 inches Overall Width: 81.1 inches (excluding mirrors) Overall Height: 77.1 inches Weights Curb Weight Approx: 4,500 - 5,000 lbs (depending on configuration) Towing Capacity: Up to 6,000 lbs 🛡️ Safety Features Ratings NHTSA Front Impact: 5-star driver and passenger (2006 models) NHTSA Side Impact: 5-star driver and rear passenger (2006 models) Active Features Traction Control: Standard electronic traction control system (ETC) Stability Control: Available StabiliTrak stability control (on some models) Passive Features Airbags: Front airbags, available side curtain airbags 💡 Technology Features Infotainment Infotainment System: Basic AM/FM stereo with CD player, optional premium sound system, optional navigation (late models) Driver Assistance Driver Assistance Features: ABS, electronic traction control, optional StabiliTrak Connectivity Connectivity Options: Auxiliary input jack (early models), Bluetooth connectivity (optional on later models) 🔧 Maintenance Service Intervals Oil Change Interval: Refer to manual for specific intervals based on driving conditions (typically 7,500 miles / 12 months) Transmission Fluid Service: Refer to manual, often around 60,000-100,000 miles or as per severity of use Fluid Specifications Engine Oil Specification: GM dexos1™ Synthetic or equivalent SAE 5W-30 viscosity (check manual for exact specs) Transmission Fluid Specification: Dexron-VI Automatic Transmission Fluid (ATF) for 4L60-E; specified gear oil for manual transmission Coolant Type: GM Super Coolant (Orange) or equivalent (15-50% Ethylene Glycol / Water Mix) Known Issues Common Wear Items: CV joint boots, sway bar links, wheel bearings, catalytic converters (especially on higher mileage vehicles) Engine Specific Considerations: Potential for timing chain stretch on higher mileage 3.7L engines; some V8 models may experience AFM (Active Fuel Management) issues if equipped. Transmission Notes: 4L60-E automatic transmission can be durable but requires regular fluid changes to prevent wear. Manual transmissions generally robust. 📚 Vehicle History Brand Heritage Hummer Brand Origin: Derived from the military HMMWV (High Mobility Multipurpose Wheeled Vehicle) Model Evolution H3 Development Context: Developed as a more compact and civilian-friendly...