🏷️ Basic Information Identification Make: Chevrolet Model: Silverado 2500 HD Year: 2005 Codes Platform: GMT800 (later phase) 👋 Introduction Market Position Segment: Heavy-Duty Pickup Truck Target User: Professional technicians, DIY enthusiasts, fleet managers Competitive Analysis Key Competitors: Ford F-Series Super Duty, Dodge Ram Heavy Duty Key Features Vehicle Highlight: Robust chassis, powerful engine options, high towing and payload capacity Manual Advantage: Official licensing ensures accuracy and completeness, providing dealership-level repair information 📋 Manual Details Coverage Areas Main Coverage: Comprehensive service and repair for 2005 Chevrolet Silverado 2500 HD Engine Coverage: All gasoline and diesel engine variants Transmission Coverage: All automatic and manual transmission options Chassis Coverage: Suspension, steering, brakes, frame, and driveline Electrical Coverage: Wiring diagrams, diagnostic procedures, component testing Body Coverage: Interior and exterior bodywork, glass, trim, HVAC Page Count Estimated Page Count: 1000+ Manual Type Type: Service and Repair Manual Software Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine Management: Fuel injection, ignition, emissions control, cooling, lubrication Powertrain: Engine overhaul, transmission repair, transfer case service, axle repair Suspension Steering: Front and rear suspension, steering gear, power steering Braking System: ABS, disc and drum brake service, hydraulic systems Electrical Systems: Battery, charging system, starting system, lighting, accessories, body control module (BCM), instrument cluster HVAC: Air conditioning, heating, ventilation system service and repair Safety Systems: Airbag system, seat belts Procedures Included Maintenance: Scheduled maintenance, oil changes, filter replacements, fluid checks and changes Diagnostics: Troubleshooting guides for common and intermittent faults, DTC interpretation Repair: Step-by-step repair procedures for all major components and systems Overhaul: Complete engine and transmission overhaul procedures Recalibration: Procedures for recalibrating sensors and modules after repair Bodywork: Dent repair, panel replacement, paint preparation, glass installation Technical Depth Depth: Complete workshop manual, covering basic maintenance to full engine rebuilds and complex diagnostics 📊 Manual Specifications File Format File Type: PDF Searchability: Searchable text for quick information retrieval Printability: Printable pages for convenient workshop use Print Quality Image Resolution: High-resolution images, diagrams, and schematics Binding Type Binding Format: N/A (Digital Download) Paper Type Paper Format: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Base Engine Gas: 6.0L (366 ci) Vortec V8 (LQ4) Performance Gas 6.0L: 300 hp @ 4400 rpm, 360 lb-ft @ 4000 rpm (approx.) Optional Engine Gas: 8.1L (496 ci) Vortec V8 (Vortec 496) Performance Gas 8.1L: 325 hp @ 4000 rpm, 450 lb-ft @ 3200 rpm (approx.) Diesel Engine: 6.6L (400 ci) Duramax V8 Turbo Diesel (LLY) Performance Diesel 6.6L: 310 hp @ 3000 rpm, 590 lb-ft @ 1600 rpm (approx.) Fuel System Gasoline System Type: Sequential Multi-Port Fuel Injection (MPFI) Diesel System Type: Common Rail Direct Injection (CRDI) with turbocharger and intercooler 🔧 Transmission Standard Base Transmission: 5-speed Manual (likely for specific trims/engines) Optional Automatic Transmission Gas: Allison 1000 5-speed Automatic (with gasoline engines) Automatic Transmission Diesel: Allison 1000 5-speed Automatic (with Duramax diesel engine) Features AWD System: Available four-wheel drive (4WD) with Autotrac electronic transfer case 📐 Dimensions Exterior Wheelbase Options: 133.0 in (Regular Cab), 143.5 in (Extended Cab), 167.5 in (Crew Cab) Bed Length Options: 78.8 in (Fleetside Short Bed), 97.8 in (Fleetside Long Bed) Weights Gvwr Range: 8,600 lbs to 11,400 lbs (depending on configuration) Curb Weight Range: 5,800 lbs to 7,000+ lbs (depending on configuration) Towing Capacity Max: Up to 12,000 lbs (conventional hitch, properly equipped) Payload Capacity Max: Up to 4,131 lbs (properly equipped) 🛡️ Safety Features Ratings NHTSA Rollover Resistance: 4-star (2WD) / 5-star (4WD) (typical for this era) Active Features ABS: Standard Anti-lock Braking System (ABS) Traction Control: Available StabiliTrak (on select models/configurations) Passive Features Airbags: Frontal airbags for driver and front passenger Seatbelts: Three-point seat belts with pretensioners 💡 Technology Features Infotainment Audio System: Factory AM/FM stereo with CD player, optional premium sound system Navigation: Optional factory navigation system available on higher trim levels Driver Assistance Cruise Control: Standard cruise control Parking Assist: Available rear parking assist sensors Connectivity Auxiliary Input: Optional auxiliary audio input jack 🔧 Maintenance Service Intervals Oil Change Interval: Every 5,000 miles or 6 months (with conventional oil), up to 7,500 miles (with synthetic oil), consult manual for specific engine Transmission Fluid Change: Every 50,000-100,000 miles, depending on usage and fluid type (consult manual for specific recommendations) Coolant Change Interval: Every 100,000 miles or 5 years (for Dex-Cool) Fluid Specifications Engine Oil Gas 6.0L: API SM, SAE 5W-30 (check owner's manual for exact specification) Engine Oil 8.1L: API SM, SAE 5W-30 or 10W-30 (check owner's manual for exact specification) Diesel Oil 6.6L: API CJ-4 or CK-4, SAE 15W-40 (or 5W-40 synthetic, check manual) Transmission Fluid Allison: Dexron VI (check manual for confirmed specification, older models may have used different spec) Coolant Type: GM Engine Coolant (Dex-Cool, orange) - Extended Life Known Issues Duramax Lly Thermostat: Potential for thermostat housing leaks or sticking thermostats, affecting engine temperature regulation. Fuel Injector...