🏷️ Basic Information Identification Make: Hummer Model: H3 Year Start: 2006 Year End: 2010 Generation Generation Designation: First Generation Codes Chassis Code: GMT355 👋 Introduction Market Position Target Audience: Hummer H3 owners, independent repair shops, and DIY enthusiasts seeking professional-level repair information. Competitive Analysis Advantage: Vehicle-specific, dealership-level documentation, offering a significant advantage over generic repair guides. Provides a singular, integrated PDF for ease of access. Key Features Accessibility: Single, easy-to-use PDF format, eliminating the need to consult multiple physical manuals. Searchable content for quick information retrieval. Cost Effectiveness: Empowers users to perform repairs themselves, potentially saving significant costs associated with dealership or independent mechanic labor. 📋 Manual Details Coverage Areas General Coverage: All Models, All Repairs A-Z Specific Coverage: Maintenance, Engine, Control System, Mechanical, Fuel Service, Emission Control, Intake, Exhaust, Cooling, Lube, Ignition, Starting, Charging, Automatic Transmission, Manual Transmission, Transfer Case, Propeller Shaft, Drive Shaft, Differential, Axle, Suspension, Tire & Wheel, Brake Control, Brakes, Parking Brake, Steering Column, Power Steering, Air Conditioning, Supplemental Restraint System (SRS), Seat Belts, Engine Immobilizer, Cruise Control, Wipers & Washers, Door Locks, Meter, Audio/Visual Systems, Horn, Windshield/Glass/Mirrors, Instrument Panel, Seats, Engine Hood/Doors, Exterior & Interior Trim, Electrical Systems, Multiplex/CAN Communication Page Count Page Count Indicator: Comprehensive (Exact count not specified but implied to be extensive) Manual Type Type: Service and Repair Manual Language Language: English Format Format: PDF 📖 Manual Coverage Systems Covered Engine Systems: Engine mechanical, fuel injection, ignition, lubrication, cooling, emissions control, intake and exhaust systems. Drivetrain Systems: Automatic transmission (4L60-E), manual transmission (NV1500, NV3550), transfer case, drive shafts, differentials, axles, and suspension components. Braking Steering Systems: Hydraulic brake systems, ABS, parking brake, power steering, and steering column components. Electrical Systems Electrical Overview: Comprehensive electrical schematics, wiring diagrams, multiplex/CAN communication systems, lighting, instrumentation, audio-visual, comfort controls, and safety systems. Procedures Included Maintenance Procedures: Routine maintenance tasks, fluid changes, filter replacements, belt inspection, and general upkeep. Diagnostic Procedures: Troubleshooting guides, diagnostic trouble code (DTC) interpretation, and fault finding for all major systems. Repair Procedures: Detailed step-by-step repair instructions for mechanical, electrical, and body components, including component removal, installation, and adjustment. Special Procedures: Air conditioning service, Supplemental Restraint System (SRS) handling, engine immobilizer, and cruise control system diagnostics and repair. Technical Depth Depth Of Coverage: Factory-level detail, mirroring the information used by dealership technicians, covering everything from basic maintenance to complex diagnostic and repair procedures. 📊 Manual Specifications File Format Format Details: Digital PDF, compatible with Adobe Acrobat Reader. High resolution for clarity and zoom functionality. Print Quality Printability: Fully printable; users can select and print specific pages or sections as needed for workshop use. Binding Type Binding: Digital (No physical binding) Paper Type Paper Recommendation: User-printable on standard or heavier-duty paper stock for workshop durability. ⚙️ Engine Specifications Primary Engine Engine Code And Description: 3.7L Vortec LLR I5 (2007-2010), 3.5L Vortec L52 I5 (2006) Performance Horsepower Range: Approx. 220 hp (3.7L) to 242 hp (3.7L with VVT) Torque Range: Approx. 225 lb-ft (3.5L) to 242 lb-ft (3.7L) Fuel System Fuel Delivery: Sequential Electronic Fuel Injection (EFI) Fuel Type: Unleaded Gasoline Cooling System Cooling Medium: Ethylene Glycol-based coolant (refer to manual for specific type and mix ratio) 🔧 Transmission Standard Transmission Type: 5-speed manual transmission (NV1500 on early models, NV3550 on later models) Optional Transmission Type: 4-speed automatic transmission (4L60-E) Features Transfer Case: Standard 2-speed electronically controlled 4WD transfer case (2H, 4H, 4L) with optional locking rear differential. 📐 Dimensions Exterior Wheelbase: Approximately 113 inches (2870 mm) Overall Length: Approximately 189.8 inches (4821 mm) Overall Width: Approximately 81.5 inches (2070 mm) Overall Height: Approximately 77.1 inches (1958 mm) Weights Curb Weight: Approximately 4,500 - 5,000 lbs (2041 - 2268 kg), depending on configuration. Towing Capacity: Up to 5,000 lbs (2268 kg) with appropriate trailering package. 🛡️ Safety Features Ratings NHTSA Frontal Impact Driver: 5 Stars NHTSA Frontal Impact Passenger: 5 Stars NHTSA Side Impact Driver: 5 Stars NHTSA Side Impact Rear Passenger: 5 Stars IIHS Moderateroverlap Frontal Offset: Good Active Features ABS: Standard Anti-lock Braking System (ABS) Traction Control: Standard Traction Control System (TCS) Stability Control: Available StabiliTrak Electronic Stability Control Passive Features Airbags: Standard front airbags, available side curtain airbags. Seat Belts: 3-point seat belts with pretensioners and load limiters. 💡 Technology Features Infotainment Audio System: Optional premium sound systems, CD player, AM/FM radio. Auxiliary input available on some models. Navigation: Optional factory-installed navigation system. Driver Assistance Cruise Control: Standard cruise control system. Connectivity Multiplex System: CAN (Controller Area Network) multiplexed electrical system for communication between various modules. 🔧 Maintenance Service Intervals Oil Change Interval: Refer to manual; typically 7,500 miles or 6 months for synthetic blend oil, or 3,000-5,000 miles for conventional. Tire Rotation: Every 7,500 miles or as recommended by tire wear. Spark Plugs: Replace around 100,000 miles (specific interval depends on engine variant and plug type). Fluid Specifications Engine Oil Spec:...