🏷️ Basic Information Identification Make: GMC Model: Sierra 1500 HD Year: 2007 Generation Platform: GMT900 Codes Body Code: GMT900 👋 Introduction Market Position Positioning: Comprehensive, licensed digital service and repair manual for DIY enthusiasts and professional mechanics. Competitive Analysis Advantages Over Print: More convenient, less expensive, instant access, easily searchable, updateable (though software access is for a year). Key Features Licensing: Officially licensed and derived from OE (Original Equipment) materials. Access Duration: 1 Year of access included; discounts available for extensions. Target Audience Audience: DIY mechanics, independent repair shops, and owners who want to understand their vehicle's maintenance and repair. 📋 Manual Details Coverage Areas Primary Coverage: Service and Repair Page Count Estimated Pages: Thousands (Software) Manual Type Type: Online Service and Repair Manual Software Language Language: English Format Format: Web-based Software (Internet Access Required) 📖 Manual Coverage Systems Covered Engine: Complete engine diagnostics, repair, and overhaul (including specific engine variants for 2007) Drivetrain: Transmission (automatic, manual), axles, differentials, driveshafts, and transfer case service and repair Brakes: Hydraulic system, ABS, EBD, brake calipers, rotors, pads, lines, and parking brake Suspension: Front and rear suspension components, steering linkage, shocks, struts, control arms, and alignment Steering: Power steering system, steering column, rack and pinion, and steering assist Electrical: Complete wiring diagrams, battery, charging system, ignition, lighting, instrumentation, body control modules (BCM), and diagnostic trouble codes (DTCs) HVAC: Heating, ventilation, air conditioning system service, repair, and refrigerant handling Body Interior: Body panels, doors, windows, seats, interior trim, and safety systems (airbags, seatbelts) Chassis: Frame, body mounting, exhaust system, fuel system (tank, lines, pump, injectors) Fuel System: Fuel tank, fuel pump, fuel lines, fuel filter, fuel injectors, and evaporative emissions control (EVAP) system diagnostics and repair. Exhaust System: Exhaust manifolds, catalytic converters, mufflers, pipes, and oxygen sensors. Cooling System: Radiator, fan, water pump, thermostat, coolant hoses, and heater core. Emission Controls: Detailed information on emission control systems, including catalytic converters, EGR systems, and EVAP systems. Procedures Included Maintenance: Regular scheduled maintenance, oil changes, fluid checks, filter replacements, and inspections Troubleshooting: Diagnostic procedures for common and complex issues, symptom-based troubleshooting guides, and DTC interpretation Repair: Step-by-step repair instructions for all major components and systems, including disassembly, reassembly, and adjustments Installation: Instructions for component replacement and installation Diagnostics: Detailed diagnostic procedures, including testing of sensors, actuators, and control modules Wheel Alignment: Specifications and procedures for front and rear wheel alignment. Battery Replacement: Procedure for battery removal, installation, and system reset. Wiper System: Service and replacement of wiper motor, blades, and linkage. Lighting System: Headlight, taillight, brake light, and interior light bulb replacement and troubleshooting. Key Programming: Procedures for key fob programming and potentially immobilizer system diagnostics. Technical Depth Depth: Factory-level technical information, including specifications, torque values, diagnostic flowcharts, and detailed diagrams 📊 Manual Specifications File Format Software Compatibility: Compatible with PC, laptop, smartphone, or tablet via web browser with internet connection Print Quality Printability: Allows for printing of specific sections or pages Binding Type Binding: N/A (Digital) Paper Type Paper Type: N/A (Digital) Search Functionality Search Capabilities: Features keyword searching for quick information retrieval. Navigation Navigation Features: Likely includes a table of contents and indexed sections for easy navigation. ⚙️ Engine Specifications Primary Engine Engine Options: Likely includes the 6.0L Vortec V8 (LQ4/LQ9) and potentially the 5.3L Vortec V8 (LM7), specific to HD models. Performance Horsepower Torque: Details for 6.0L V8 (approx. 300-325 hp, 360-370 lb-ft torque) and 5.3L V8 (approx. 315 hp, 335 lb-ft torque) will be present. Fuel System Injection Type: Sequential Multi-Port Fuel Injection (MPFI) or similar. Engine Maintenance Spark Plugs: Specific spark plug part numbers and gap specifications will be detailed (e.g., ACDelco 41-983 or equivalent). Oil Type Capacity: Detailed specification for engine oil (e.g., SAE 5W-30 synthetic blend or full synthetic) and capacity (e.g., 6 quarts for 5.3L, 7 quarts for 6.0L) will be provided. 🔧 Transmission Standard Transmission Type: Heavy-duty 4-speed automatic transmission (e.g., 4L70-E). Optional Optional Transmission: Likely no manual transmission option for the 1500 HD models. Features Transmission Fluid: Specification for transmission fluid (e.g., Dexron VI) and fill capacities for the automatic transmission. 📐 Dimensions Exterior Wheelbase Options: Likely offered in standard and extended cab configurations with varying wheelbases (e.g., 143.5" and 157.5"). Overall Length: Will vary based on cab and bed configuration. Example for Crew Cab Short Bed: ~238.7 inches. Weights Curb Weight: Will vary significantly by configuration, but generally around 5,000-5,500 lbs for Crew Cab 4x4. Gross Vehicle Weight Rating: Significantly higher for HD models, likely in the 8,500-9,400 lbs range. 🛡️ Safety Features Ratings NHTSA Front Crash Test: Likely 5-star rating for driver and passenger frontal crash protection. NHTSA Side Crash Test: Likely 5-star rating for front and rear side-impact occupant protection. Active Features ABS: Standard Anti-lock Braking System (ABS). Passive Features Airbags: Standard front airbags; side-impact airbags may be optional depending on trim. 💡...