🏷️ Basic Information Identification Make: GMC Model: Sierra 1500 Year: 2006 Codes Platform: GMT900 (primarily, with some carryover elements from GMT800) Chassis Code: GMT900 👋 Introduction Market Position Market Segment: Full-size pickup truck Competitive Analysis Key Competitors: Ford F-150, Dodge Ram 1500, Toyota Tundra Key Features Manual Selling Points: Officially licensed, OE-derived information, user-friendly online format, comprehensive coverage, saves money on repairs. Manual Source Developer: RepairSurge 📋 Manual Details Coverage Areas Coverage Type: Comprehensive Service and Repair Page Count Page Count Estimate: Extensive (digital access provides full factory data) Manual Type Manual Type: Digital Service and Repair Manual Software Language Language: English Format Format: Online Software Access (Web Browser Compatible) Access Duration: 1 Year Subscription (with discount for renewal) 📖 Manual Coverage Systems Covered Engine Mechanical: Engine assembly, cylinder head, block, crankshaft, pistons, connecting rods, lubrication system, cooling system, exhaust system, emissions. Engine Performance: Fuel injection, ignition system, electronic engine controls (ECM), turbocharging (if applicable), diagnostics. Transmission: Automatic transmission (4L60-E, 4L70-E), manual transmission (NV3500, NV4500), transfer case (NP1, NP2, NP3), driveline, differentials. Brakes: Hydraulic system, ABS, EBD, disc brakes (front and rear), drum brakes (rear on some models), parking brake, brake fluid specifications. Steering: Power steering system, steering column, steering gear, tie rods, alignment specifications. Suspension: Front suspension (independent), rear suspension (leaf springs), shock absorbers, springs, ball joints, control arms, stabilizer bars, wheel bearing specifications. Electrical System: Battery, charging system (alternator), starting system (starter), lighting, instrumentation, power distribution, fuses, relays, wiring diagrams. HVAC: Air conditioning system, heating system, ventilation, climate control, refrigerant types and capacities, system diagnostics. Body And Chassis: Frame, body panels, doors, windows, glass, interior trim, exterior trim, bumpers, tailgate, bed components. Safety Systems: Airbags, seat belts, tire pressure monitoring system (TPMS), anti-theft system. Procedures Included Maintenance Procedures: Oil changes, filter replacements, fluid checks and changes (coolant, brake, power steering, transmission, differential), tire rotation, tune-ups. Repair Procedures: Engine component replacement (e.g., gaskets, belts, water pump), transmission service, brake component replacement, suspension work, steering system repairs, electrical component diagnosis and replacement. Troubleshooting: Diagnostic trouble codes (DTCs), symptom-based diagnostics, common problem identification and solutions. Diagnostics: On-board diagnostics (OBD-II), scan tool usage, sensor testing, actuator testing, wiring harness testing. Technical Depth Technical Depth: Factory-level diagnostics, repair procedures, specifications, and technical service bulletins (TSBs). Diagnostic Tools Required: Information on specific scan tools, multimeters, pressure gauges, and alignment equipment. 📊 Manual Specifications File Format File Format: Proprietary Web-Based Software (HTML, CSS, JavaScript) Print Quality Print Quality: N/A (digital access) Binding Type Binding Type: N/A (digital access) Paper Type Paper Type: N/A (digital access) Software Requirements Compatibility: Any PC, laptop, smartphone, or tablet with an internet connection and web browser. ⚙️ Engine Specifications Primary Engine Engine Options: 4.3L V6 Vortec, 4.8L V8 Vortec, 5.3L V8 Vortec, 6.0L V8 Vortec (VortecMax) Performance Horsepower 5.3L V8: 315 hp @ 5200 rpm Torque 5.3L V8: 335 lb-ft @ 4000 rpm Fuel System Fuel Delivery: Multi-port Fuel Injection (MPI) Fuel Type Fuel Type: Unleaded Gasoline Engine Management ECM Model: Delphi MPC (e.g., MPC-1) 🔧 Transmission Standard Standard Transmission: 4-speed automatic (4L60-E, 4L70-E) Optional Optional Transmission: 5-speed manual (NV3500, NV4500 for heavy-duty applications) Features AWD Availability: Available (with various transfer case options) Fluid Specifications Automatic Transmission Fluid: Dexron VI 📐 Dimensions Exterior Wheelbase Options: 143.5 inches (standard cab, crew cab), 167.5 inches (extended cab/long bed) Bed Length Options: 69.2 inches (short box), 97.8 inches (long box) Weights Curb Weight Range: Approx. 4,500 - 5,500 lbs (depending on configuration) Max Towing Capacity: Up to 9,700 lbs (with proper configuration and trailering package) 🛡️ Safety Features Ratings NHTSA Rollover Resistance: 3 stars (for 4WD models) Active Features Anti-Lock Brakes: Standard (4-wheel disc brakes on most trims) Passive Features Airbag System: Front airbags, available side-impact airbags Seat Belts: Three-point seat belts with pretensioners 💡 Technology Features Infotainment Infotainment System: Factory-installed AM/FM stereo with CD player, available Bose premium audio, available navigation system. Driver Assistance Driver Assistance Features: Cruise control, available trailer brake controller, available rear parking assist. Connectivity Connectivity Options: Available OnStar telematics system. 🔧 Maintenance Service Intervals Oil Change Interval: 7,500 miles or 6 months (normal driving), 5,000 miles or 3 months (severe driving) Air Filter Replacement: 15,000 - 30,000 miles (depending on driving conditions) Spark Plug Replacement: 100,000 miles (for platinum-tipped plugs) Fluid Specifications Engine Oil Type: SAE 5W-30 Synthetic (meeting GM spec GM6094M) Coolant Type: GM Gen II DEX-COOL (Orange) Power Steering Fluid: GM Power Steering Fluid (or Dexron III/VI compatible) Known Issues Common Problems: Active Fuel Management (AFM) lifter issues (4.8L/5.3L V8), transmission solenoid issues (4L60-E/4L70-E), exhaust manifold leaks, wheel bearing failures, evaporative emission control (EVAP) system leaks. 📚 Vehicle History Brand Heritage Brand Identity: GMC (General Motors Truck Company) - known for professional-grade trucks and SUVs. Model Evolution Generation: Second generation GMT900 (introduced for the 2007 model year, but 2006 saw significant styling cues and platform underpinnings...