🏷️ Basic Information Identification Make: GMC Model: Sierra 3500 Year: 2007 Product Type: Service & Repair Manual Software Generation Generation: Second Generation (GMT900) Codes Chassis Code: GMT900 (specific to 3500HD variants) 👋 Introduction Market Position Target Audience: DIY enthusiasts, independent repair shops, fleet maintenance Competitive Analysis Advantage Over Print: Up-to-date information, instant access, enhanced searchability, lower cost compared to traditional manuals Key Features Accuracy: Licensed OE data ensures accuracy and completeness Convenience: Accessible from any internet-connected device Cost Savings: Enables DIY repairs, reducing labor costs at repair shops 📋 Manual Details Coverage Areas Vehicle Coverage: 2007 GMC Sierra 3500 (all trims and configurations) Page Count Estimated Page Count: Extensive digital content, equivalent to thousands of printed pages Manual Type Type: Factory-derived Service and Repair Manual Software Language Language: English Format Access Format: Online access via web browser Compatibility: PC, Laptop, Smartphone, Tablet Licensing License Status: Officially Licensed Data Source: OE (Original Equipment) Materials Access Duration Subscription Length: 1 Year Renewal Option: Discounts available for additional years 📖 Manual Coverage Systems Covered Powertrain: Engine mechanical, cooling, lubrication, fuel, ignition, exhaust systems Drivetrain: Transmission (automatic and manual), transfer case, drivelines, axles, differential Chassis: Suspension (front and rear), steering system, brakes (front and rear, ABS) Electrical: Wiring diagrams, lighting, starting and charging systems, instrument cluster, body control modules, power distribution HVAC: Heating, ventilation, and air conditioning (HVAC) system diagnosis and repair Body: Body panels, doors, windows, interior trim, exterior trim, bumpers Procedures Included Maintenance: Scheduled maintenance, oil changes, filter replacements, fluid checks and top-offs Diagnostics: Troubleshooting guides, diagnostic trouble codes (DTCs) interpretation, symptom-based diagnostics Repair: Component removal and installation, system overhaul, component repair Calibration: TPMS (Tire Pressure Monitoring System) calibration, electronic module programming Specifications: Torque specifications, clearances, tolerances, diagnostic data Technical Depth Depth: Comprehensive from basic maintenance to advanced diagnostics and component-level repair Diagnostic Tools: Reference to necessary diagnostic tools and equipment 📊 Manual Specifications File Format Digital Format: Web-based application Print Quality Printability: Content can be printed from the web interface Binding Type Binding: N/A (Digital Access) Paper Type Paper: N/A (Digital Access) Searchability Text Search: Yes, keyword searchable content User Interface Ui Design: Intuitive and easy-to-navigate interface ⚙️ Engine Specifications Primary Engine Engine Options: 6.0L V8 Vortec OHV 16V (LQ4) / 8.1L V8 Vortec OHV 16V (L18) Displacement 6.0L: 364 cubic inches (5967 cc) Horsepower 6.0L: Approximately 300-325 hp (depending on configuration) Torque 6.0L: Approximately 360-370 lb-ft (depending on configuration) Displacement 8.1L: 496 cubic inches (8136 cc) Horsepower 8.1L: Approximately 320 hp @ 4000 rpm Torque 8.1L: Approximately 445 lb-ft @ 3200 rpm Fuel System Fuel Delivery: Sequential Port Fuel Injection (SFI) Fuel Type: Unleaded gasoline Performance Emissions Control: California Enhanced (for applicable models), Federal Emissions 🔧 Transmission Standard Transmission Type Std: Allison 1000 5-speed automatic (standard on 3500HD with 6.0L and 8.1L) Optional Transmission Type Opt: NV4500 5-speed manual (available on some 2WD 3500 models with 6.0L) Features Powertrain Braking: Integrated engine-braking capability on Allison transmissions Transfer Case: Full-time 4WD with AutoTrac (optional) or part-time 4WD with electronic shift (standard on many models) 📐 Dimensions Exterior Wheelbase Std: Varies by cab and bed configuration (e.g., 133.0" for Regular Cab, Long Bed; 153.0" for Extended Cab, Long Bed) Overall Length Std: Varies by cab and bed configuration (e.g., 223.8" for Regular Cab, Long Bed) Weights Gvwr Max: Up to 11,500 lbs (7000 lb front GAWR, 7100 lb rear GAWR) Curb Weight: Approximately 5,500 - 7,000 lbs depending on configuration Cargo Payload Capacity Max: Up to 4,800 lbs (depending on configuration) Towing Capacity Max: Up to 12,000 lbs (with proper equipment and configuration) 🛡️ Safety Features Ratings NHTSA Front Impact: 4-star (driver and passenger) for 2007 models NHTSA Side Impact: 5-star (front and rear passengers) for 2007 models IIHS Rollover: Good (4-star rating in side-impact and rollover tests) Active Features ABS: Anti-lock Braking System (ABS) standard Traction Control: StabiliTrak (electronic stability control) available on some models Passive Features Airbags: Frontal airbags for driver and passenger, available side-curtain airbags Seatbelts: Three-point seat belts with pretensioners 💡 Technology Features Infotainment Audio System: Standard AM/FM stereo with CD player, optional Bose premium audio system. Navigation: Optional factory navigation system available on higher trim levels. Driver Assistance Parking Assist: Available rear parking assist sensors. Cruise Control: Standard cruise control. Connectivity Auxiliary Input: Standard auxiliary audio input jack on many models. 🔧 Maintenance Service Intervals Oil Change Interval: Every 5,000 to 7,500 miles or 6 months, depending on driving conditions and oil type used. Refer to manual for specific recommendations. Tire Rotation: Every 7,500 miles Transmission Fluid Change: Consult manual; typically around 30,000-60,000 miles for severe use. Fluid Specifications Engine Oil 6.0L: API SM, SAE 5W-30 synthetic blend or full synthetic. Capacity: 6 quarts with filter. Engine Oil 8.1L: API SM, SAE 10W-30 or 10W-40 synthetic blend or full synthetic. Capacity: 7.5 quarts with filter. Coolant: Dex-Cool...