🏷️ Basic Information Identification Make: Chevrolet Model: Silverado 2500HD/3500HD Year: 2009 Drive Type: 4WD Codes Platform: GMT900 (GMT912 for 2500HD, GMT932 for 3500HD) 👋 Introduction Market Position Segment: Heavy-duty pickup truck Target Audience: Owners and professional mechanics of 2009 Chevrolet Silverado 2500HD/3500HD 4WD trucks, seeking detailed repair and maintenance information. Competitive Analysis Competitors: Ford F-Series Super Duty, Dodge Ram Heavy Duty. Key Features Content Strength: Comprehensive, detailed, step-by-step instructions, high-quality diagrams and illustrations, technical specifications, troubleshooting guides. Delivery Method: Instant digital download for immediate access. 📋 Manual Details Coverage Areas Primary Coverage: 2009 Chevrolet Silverado 2500HD/3500HD 4WD Page Count Estimated Page Count: 2000+ pages (typical for comprehensive service manuals) Manual Type Type: Service and Repair Manual Language Language: English Format Format: PDF 📖 Manual Coverage Systems Covered Engine: Diagnosis, repair, and overhaul of gasoline and diesel engines, including cooling, lubrication, fuel, ignition/pre-ignition, and emissions systems. Drivetrain: Front and rear axle assemblies, transfer case (NVG 246, NVG 261 HD, NVG 263 HD), driveshafts, differentials, and hub assemblies. Transmission: Repair and overhaul of automatic transmissions (e.g., 4L70E, 4L80E, Allison 1000/2000) including torque converter, valve body, and electronic controls. Brakes: Hydraulic brake system (ABS, EBD), disc brake component inspection and replacement, drum brake service (if applicable), parking brake system. Steering: Power steering system, steering gear box, steering linkage, wheel alignment specifications. Suspension: Front independent suspension (torsion bar), rear leaf spring suspension, shock absorbers, ball joints, control arms, stabilizer bars. Electrical: Battery, charging system, starting system, lighting, instrumentation, power accessories, fuses, relays, wiring diagrams for all systems. Body: Body panels, doors, hood, tailgate, bumpers, glass, interior trim, seat mechanisms, HVAC system (heater, A/C). Diagnostics: On-Board Diagnostics (OBD-II), Diagnostic Trouble Codes (DTCs), guided troubleshooting procedures, component testing. Procedures Included Maintenance: Scheduled maintenance tasks including oil changes, filter replacements, fluid checks and top-offs, lubrication, brake inspection, tire rotation. Repair: Step-by-step repair instructions for virtually all mechanical and electrical components, from minor adjustments to complete component overhauls. Troubleshooting: Systematic diagnostic approaches for identifying and resolving common and uncommon faults, symptom-based troubleshooting trees. Specifications: Torque values, fluid types and capacities, electrical specifications, diagnostic data, wear limits, and alignment settings. Disassembly Reassembly: Detailed instructions for the removal, inspection, and installation of all major components and sub-assemblies. Technical Depth Depth: Comprehensive, covering from basic maintenance to advanced diagnostics and complete component rebuilds, suitable for professional technicians and advanced DIY enthusiasts. 📊 Manual Specifications File Format File Type: PDF Print Quality Image Resolution: High-quality diagrams and illustrations designed for clear display and printing. Binding Type Binding: Digital download (no physical binding) Paper Type Paper Quality: N/A (Digital PDF format) ⚙️ Engine Specifications Primary Engine Gasoline Engine 1: 6.0L V8 Vortec (L96/LQ4) Gasoline Engine 1 Hp: Approx. 360 hp @ 5400 rpm Gasoline Engine 1 Torque: Approx. 380 lb-ft @ 4200 rpm Diesel Engine 1: 6.6L V8 Duramax Turbodiesel (LMM) Diesel Engine 1 Hp: Approx. 365 hp @ 3200 rpm Diesel Engine 1 Torque: Approx. 725 lb-ft @ 1600 rpm Performance Emission Control: Includes procedures for catalytic converters, EGR systems (Duramax), particulate filters (Duramax), and oxygen sensors. Fuel System Gasoline Fuel System: Sequential Fuel Injection (SFI), electronic throttle control (ETC). Diesel Fuel System: Common Rail Diesel Injection (CRDI), high-pressure fuel pump, injectors, glow plug system. 🔧 Transmission Standard 2500Hd Gas: 4-speed automatic (4L70E) 2500Hd Diesel: 6-speed automatic (Allison 1000) 3500Hd: 6-speed automatic (Allison 1000/2000) Optional Manual Transmission: No manual transmission offered for 4WD models in this configuration. Features Tow Haul Mode: Includes operation and diagnostics for Tow/Haul mode. Transfer Case Type: Electronic shift transfer case (e.g., NVG 246, NVG 261 HD, NVG 263 HD depending on model/configuration). 📐 Dimensions Exterior Wheelbase Options: Approx. 143.5 in (Regular Cab), 153.0 in (Extended Cab), 167.7 in (Crew Cab) for 2500HD; 167.7 in (Crew Cab) for 3500HD. Bed Length Options: Approx. 6.5 ft (short box) and 8.0 ft (long box). Weights Curb Weight Range: Approx. 6,000 - 7,500 lbs (varies by configuration). Max Gvw: Up to 11,500 lbs (2500HD) and 12,300 lbs (3500HD single rear wheel) or 14,300 lbs (3500HD dually). 🛡️ Safety Features Ratings NHTSA Rollover Resistance: Typically 4 out of 5 stars for 4WD models. Active Features ABS: Standard Anti-lock Braking System (ABS) with electronic brake force distribution (EBD). Traction Control: Standard electronic traction control. Passive Features Airbags: Front airbags for driver and passenger, available side-curtain airbags. 💡 Technology Features Infotainment Audio Options: Available AM/FM/CD/MP3 player, with options for Bose premium audio, satellite radio, and integrated navigation. Connectivity: Auxiliary input jack, available Bluetooth hands-free phone connectivity. Driver Assistance Cruise Control: Standard cruise control. Parking Assist: Available rear parking assist sensors. 🔧 Maintenance Service Intervals Oil Change Gas: Every 5,000 - 7,500 miles or 6 months (check oil life monitor). Oil Change Diesel: Every 5,000 - 7,500 miles or 6 months (check oil life monitor), especially under heavy use. Transmission Fluid Service: Inspect fluid condition...