🏷️ Basic Information Identification Make: GMC Model: Sierra 1500 Year: 2007 Codes Platform Code: GMT900 👋 Introduction Market Position Positioning: Essential diagnostic and repair tool for 2007 GMC Sierra 1500 owners and independent repair shops. Competitive Analysis Comparison To Printed Manuals: Offers superior accessibility, searchability, and up-to-date information compared to traditional printed manuals. Key Features Licensing: Officially licensed and derived from OE (Original Equipment) materials. Accessibility: Accessible via internet connection on PC, laptop, smartphone, or tablet. Access Duration: 1-year access with discounts available for extensions. 📋 Manual Details Coverage Areas Coverage Type: Comprehensive Service and Repair Page Count Estimated Pages: Thousands (Digital Format) Manual Type Type: Software (Online Access) Language Language: English Format Format: Web-based Software 📖 Manual Coverage Systems Covered Engine Mechanical: Detailed diagnostics, repair, and overhaul procedures for all gasoline engines. Engine Electrical: Ignition system, fuel injection system, emissions control, cooling system, starting and charging systems. Transmission: Automatic and Manual transmission repair, diagnostics, fluid changes, and component replacement. Drivetrain: Front and Rear axle assemblies, driveshafts, U-joints, differentials, and four-wheel-drive system. Brakes: Hydraulic brake system, ABS, EBD, disc and drum brake component service, bleeding procedures. Suspension And Steering: Front and rear suspension components (ball joints, control arms, shocks, springs), steering gear, power steering system. Body And Chassis: Frame and body structure, interior and exterior trim, doors, hood, tailgate, glass, body panel replacement. Electrical And Wiring: Complete wiring diagrams, lighting systems, power accessories, instrument panel, body control modules (BCM). HVAC: Heating, Ventilation, and Air Conditioning system diagnostics, component replacement, refrigerant handling. Procedures Included Preventative Maintenance: Oil and filter changes, fluid checks and top-offs, tire rotation, spark plug replacement, belt inspections. Troubleshooting: Diagnostic procedures for common drivability issues, electrical faults, and mechanical problems. Repair And Replacement: Step-by-step instructions for component removal, repair, and installation across all major vehicle systems. Diagnostics: OBD-II diagnostic trouble codes (DTCs), using diagnostic tools, interpreting sensor data. Technical Depth Depth: Factory-level technical specifications, procedures, and diagnostic strategies. 📊 Manual Specifications File Format File Format: Proprietary Web Application (HTML, JavaScript) Print Quality Print Quality: N/A (Digital) Binding Type Binding Type: N/A (Digital) Paper Type Paper Type: N/A (Digital) ⚙️ Engine Specifications Primary Engine Engine Options Covered: 4.3L V6 (L33), 4.8L V8 (LY2), 5.3L V8 (LH6, LC9), 6.0L V8 (L76) Performance 4.8L V8 Horsepower: 295 hp @ 5600 rpm 4.8L V8 Torque: 305 lb-ft @ 4000 rpm 5.3L V8 Flexfuel Horsepower: 315 hp @ 5200 rpm (on E85) 5.3L V8 Flexfuel Torque: 338 lb-ft @ 4400 rpm (on E85) Fuel System Fuel Delivery: Multi-port Fuel Injection (MPFI) Engine Mechanical Bore X Stroke 5.3L: 3.78 in x 3.27 in (96 mm x 83 mm) 🔧 Transmission Standard Standard Transmission: 4-speed automatic (4L60-E) Optional Optional Transmission: 6-speed automatic (6L80-E), 6-speed manual (NV3500 for some trims/engines) Features Tow Haul Mode: Included on automatic transmissions for improved towing performance. Fluid Specifications Automatic Transmission Fluid: Dexron-VI (GM P/N 88863553 or equivalent) 📐 Dimensions Exterior Wheelbase: Varies by cab and bed configuration (e.g., 143.5 inches for Crew Cab, short bed) Overall Length: Varies by configuration (e.g., ~224 inches for Crew Cab, short bed) Weights Curb Weight: Varies significantly by configuration and drivetrain (e.g., 4,500 - 5,500 lbs) Max Gross Vehicle Weight Rating: Varies by configuration (e.g., 7,000 - 7,200 lbs) 🛡️ Safety Features Ratings NHTSA Frontal Driver Impact: 5-star (for models equipped with side curtain airbags) NHTSA Frontal Passenger Impact: 5-star (for models equipped with side curtain airbags) Active Features ABS: Standard Anti-lock Braking System (ABS) Traction Control: Standard Traction Control System (TCS) Passive Features Airbags: Standard front airbags; available side-impact and curtain airbags. 💡 Technology Features Infotainment Audio Options: Available AM/FM stereo with CD player, MP3 capability, satellite radio options. Navigation: Optional factory navigation system available on higher trims. Driver Assistance Rear Parking Assist: Optional ultrasonic rear parking assist system. Connectivity Onstar: Optional OnStar service integration available. 🔧 Maintenance Service Intervals Oil Change Interval: Variable Oil Life System (V.O.L.S.) recommends changes based on driving conditions, typically 7,500-10,000 miles. Engine Air Filter Replacement: Inspect every 25,000-45,000 miles; replace as needed. Spark Plug Replacement: Approx. 100,000 miles for iridium-tipped spark plugs. Fluid Specifications Engine Oil Spec 5.3L: SAE 5W-30, API SN or higher (GM P/N 19293167 or equivalent) Coolant Type: GM-specific orange coolant (Dex-Cool), ethylene glycol based. Known Issues Active Fuel Management Disabling: Some owners report issues with AFM lifter operation; manual addresses potential causes and solutions. Transmission Performance Issues: Occasional reports of delayed shifting or harsh engagement; manual provides diagnostic steps. 📚 Vehicle History Brand Heritage Gmc Truck Legacy: GMC has a long history of producing robust and capable trucks since its inception in 1911. Model Evolution Sierra 1500 Generation 2007: This model is part of the second generation of the GMT900 platform Silverado/Sierra trucks, introduced for the 2007 model year. Production Manufacturing Location: Various GM assembly plants in North America (e.g., Fort Wayne, Indiana;...