🏷️ Basic Information Identification Make: Hummer Model: H1 Year: 2006 Product Name: Hummer H1 2006 Service Repair Workshop Manual Pdf Codes Vin Code Prefix: 1GC 👋 Introduction Market Position Segment: Heavy-duty, off-road, military-derived civilian vehicle. Target Audience: Enthusiasts, owners, professional mechanics, off-roaders. Competitive Analysis Competitors: No direct civilian competitors in its class; perceived as a unique niche vehicle. Key Features Vehicle Philosophy: Extreme off-road capability, durability, and go-anywhere performance. Manual Advantage: Provides professional-level repair and maintenance guidance for a specialized vehicle. 📋 Manual Details Coverage Areas Coverage Scope: Complete factory service, repair, and workshop procedures. Page Count Estimated Pages: Hundreds of pages (specific count not provided, but described as extensive). Manual Type Type: Service Repair Workshop Manual Language Language: English Format Format: PDF (Portable Document Format) 📖 Manual Coverage Systems Covered Engine: Detailed diagnosis, repair, and overhaul of all engine components and systems. Transmission: Complete coverage for transmission repair, diagnostics, and servicing. Drivetrain: Axles, differentials, transfer case, CV joints, and driveshafts. Suspension: Independent front and rear suspension systems, including springs, shocks, control arms, and bushings. Steering: Power steering system, steering column, linkages, and components. Brakes: Hydraulic brake system, ABS, rotors, calipers, pads, and lines. Electrical: Complete electrical system, including wiring diagrams, charging system, ignition system, lighting, and accessories. Fuel System: Fuel injection, fuel pump, injectors, fuel tank, and lines. Cooling System: Radiator, water pump, thermostat, hoses, and fan assembly. Exhaust System: Catalytic converter, mufflers, pipes, and hangers. HVAC: Heating, Ventilation, and Air Conditioning (HVAC) system components and service. Body: Body panel removal/installation, doors, windows, latches, and trim. Chassis: Frame, underbody components, and running gear. Procedures Included Maintenance: Scheduled maintenance, fluid changes, filter replacements, lubrication. Troubleshooting: Diagnostic procedures for identifying and resolving common and complex issues. Repair: Step-by-step repair instructions for all major vehicle components and systems. Diagnostics: System-specific diagnostic flowcharts and troubleshooting trees. Rebuilds: Detailed instructions for engine, transmission, and differential rebuilds. Component Replacement: Instructions for replacing individual parts and sub-assemblies. Technical Depth Depth: Comprehensive, covering everything from basic fluid checks to complete engine overhauls. Detail Level: High detail, with step-by-step instructions, exploded diagrams, and photographs. 📊 Manual Specifications File Format File Type: PDF Searchable: Yes (assuming standard PDF capabilities). Print Quality Printability: Printable (single pages or entire manual). Binding Type Binding: Digital Download (no physical binding). Paper Type Paper Type: N/A (Digital format). Licensing Usage Rights: Lifetime use, no expiry, no renewal fees, usable on multiple devices. Compatibility Operating Systems: Compatible with all Windows and MAC computers. ⚙️ Engine Specifications Primary Engine Engine Code: LLY (6.6L Duramax Turbo-Diesel V8) Displacement: 6.6 Liters (403 cubic inches) Configuration: V8 Aspiration: Turbocharged, Intercooled Horsepower: Approx. 310 hp (LLY) Torque: Approx. 525 lb-ft (LLY) Fuel System Injection Type: High-pressure common rail direct injection Fuel Type: Diesel Cooling System Coolant Capacity: Refer to manual for specific capacity (typically high for heavy-duty use). Lubrication Oil Capacity: Refer to manual for specific capacity (typically 10-12 quarts). Oil Specification: Refer to manual for specific GM dexos or Allison approved fluids (e.g., 15W-40 or 5W-40 synthetic diesel oil). 🔧 Transmission Standard Type: Allison 1000 5-speed Automatic Transmission Optional Type: Manual transmission options may have existed for earlier models or specific variants, but the 2006 H1 primarily featured the Allison automatic. Features Transfer Case: Central Tire Inflation System (CTIS) enabled, full-time 4WD with locking center and rear differentials. Fluid Specifications Transmission Fluid Type: Refer to manual for specific Allison TES 295 approved fluids (e.g., Dexron III/VI compatible but TES 295 is preferred). Fluid Capacity Transmission Fluid Capacity: Refer to manual for specific capacity. 📐 Dimensions Exterior Length: Approx. 202.5 inches (varies by body style) Width: Approx. 86.5 inches (excluding mirrors) Height: Approx. 77.0 inches (varies by body style) Wheelbase: Approx. 130 inches (varies by body style) Weights Curb Weight: Approx. 7,000 - 8,000 lbs (varies by body style) Gross Vehicle Weight Rating Gvwr: Approx. 10,500 - 11,500 lbs Towing Capacity: Refer to manual; typically very high for its class. 🛡️ Safety Features Ratings Crash Test Ratings: No standardized NHTSA or IIHS crash test ratings due to its niche and origin. Passive Features Seatbelts: Three-point seatbelts (front), lap belts (rear, depending on configuration). Rollover Protection: Robust frame and body construction designed for extreme terrain stability. Active Features ABS: Anti-lock Braking System (ABS) Ctis: Central Tire Inflation System (CTIS) for adjusting tire pressure on the fly. 💡 Technology Features Infotainment System Type: Basic infotainment systems typical for the era, often including AM/FM radio, CD player, and optional navigation. Driver Assistance Features: ABS, CTIS. Limited modern driver-assistance features. Connectivity Options: Standard audio inputs, limited smartphone integration or advanced connectivity. 🔧 Maintenance Service Intervals Oil Change: Refer to manual for specific mileage/time intervals (typically 5,000-7,500 miles for diesel). Transmission Service: Refer to manual for specific mileage/time intervals (typically 30,000-50,000 miles). Coolant Flush: Refer to manual for specific mileage/time intervals. Fluid Specifications Brake Fluid...