🏷️ Basic Information Identification Make: GMC Model: Sierra 3500 Year: 2006 Codes Chassis Code: GMT800 Platform: GMT800 (shared with Chevrolet Silverado) 👋 Introduction Market Position Target Audience: DIYers and professional mechanics Competitive Analysis Advantage Over Print: More convenient, less expensive, instant access Key Features Licensing: Officially Licensed Ease Of Use: User-friendly interface, push-button access 📋 Manual Details Identification Manual Type: Service and Repair Manual Software Language: English Format: Online Software Access Access Duration: 1 Year Renewal Options: Discounts available for additional years Compatibility Device Compatibility: PC, Laptop, Smartphone, Tablet Browser Requirement: Web Browser required Features Data Source: Licensed OE (Original Equipment) Materials Developer: RepairSurge 📖 Manual Coverage Systems Covered Engine: Yes (Diagnosis, Repair, Rebuild, Maintenance) Drivetrain: Yes (Transmission, Differentials, Axles, Driveshafts) Brakes: Yes (Hydraulic, ABS, Parking Brake) Suspension: Yes (Front and Rear Suspension Components, Shock Absorbers, Springs) Steering: Yes (Power Steering System, Steering Column, Tie Rods) Electrical: Yes (Wiring Diagrams, Power Distribution, Lighting, Accessories) HVAC: Yes (Heating, Ventilation, Air Conditioning System Diagnosis and Repair) Body: Yes (Body Panels, Doors, Windows, Seats, Interior Trim) Chassis: Yes (Frame, Body Mounting) Procedures Included Maintenance: Yes (Scheduled Maintenance, Fluid Changes, Filter Replacements) Troubleshooting: Yes (Diagnostic Procedures, Fault Code Interpretation) Repair: Yes (Component Removal, Installation, and Adjustment) Rebuild: Yes (Detailed Engine and Transmission Rebuild Procedures) Diagnostics: Yes (OBD-II Diagnostics, Specific System Testing) Technical Depth Level: Comprehensive (from basic maintenance to complete overhauls) 📊 Manual Specifications File Format File Type: Proprietary Software (Web-based) Quality Searchability: High (Instant access to information at the push of a button) Completeness Content Scope: Full Factory-Derived Service and Repair Information Page Count Estimated Page Count: Thousands of pages of technical information (typical for full service manuals) ⚙️ Engine Specifications Primary Engine Engine Option 1: 6.0L Vortec V8 (LQ4) Performance 1 Horsepower 6.0L: 300 hp @ 4400 rpm Torque 6.0L: 350 lb-ft @ 4000 rpm Fuel System 1 Fuel System 6.0L: Sequential Fuel Injection (SFI) Engine Option 2 Engine Option 2: 8.1L Vortec V8 (8100) Performance 2 Horsepower 8.1L: 325 hp @ 4200 rpm Torque 8.1L: 460 lb-ft @ 3200 rpm Fuel System 2 Fuel System 8.1L: Sequential Fuel Injection (SFI) 🔧 Transmission Standard Transmission Type Standard: 6-Speed Manual (NV4500/NV5600 depending on configuration) Optional Transmission Type Optional: Allison 1000 5-Speed Automatic Features Transmission Features: Heavy-duty components for towing and hauling 📐 Dimensions Exterior 1500 2500 3500 Wheelbase Regular Cab: 133.2 inches Wheelbase Extended Cab: 143.5 inches Wheelbase Crew Cab: 153.0 inches Weights Gvwr Range: 9,900 lbs - 11,000 lbs (depending on configuration) Towing Capacity: Up to 10,700 lbs (conventional) / 16,000 lbs (gooseneck/5th wheel) 🛡️ Safety Features Ratings NHTSA Frontal Driver: Not fully tested for this configuration/year, but generally good for its class NHTSA Frontal Passenger: Not fully tested for this configuration/year, but generally good for its class Active Features ABS: Standard Anti-lock Braking System Passive Features Airbags: Driver and Passenger Frontal Airbags Seatbelts: Height-adjustable seatbelts with pretensioners 💡 Technology Features Infotainment Infotainment System: Basic AM/FM Stereo with CD Player, optional Bose audio system Driver Assistance Driver Assistance Features: Limited to ABS and standard safety features for its era Connectivity Connectivity Options: No integrated Bluetooth or advanced connectivity features 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 3,000-5,000 miles or 6 months, or based on oil life monitor system Transmission Fluid Change: Every 30,000-100,000 miles, depending on usage and transmission type (refer to manual for specifics) Fluid Specifications Engine Oil 6.0L: SAE 5W-30 (API Certified) Engine Oil 8.1L: SAE 0W-30 or 5W-30 (API Certified) Coolant: Dex-Cool (Orange, Long-Life) or equivalent silicate-free, ethylene glycol-based coolant Transmission Fluid Allison: Dexron VI Automatic Transmission Fluid Known Issues Common Issue 1: Duramax Diesel Injector Issues (if applicable, though 2006 typically had LB7 or LLY) Common Issue 2: Transfer Case Issues (especially under heavy load) Common Issue 3: Fuel Pump Failures (especially in gasoline models) Common Issue 4: Corrosion on Body Panels (particularly in salt-belt regions) 📚 Vehicle History Brand Heritage Gmc Legacy: GMC has a long history of producing trucks and commercial vehicles. Model Evolution Gmt800 Era: The 2006 Sierra 3500 is part of the GMT800 platform, known for its durability and capability. Production Manufacturing Location: Various GM assembly plants in North America (e.g., Fort Wayne, Indiana; Oshawa, Ontario) 🏆 Awards & Recognition Recognitions Truck Of The Year Nominations: Sierra models consistently received praise for their capability and powertrain options in their segment.