🏷️ Basic Information Identification Make: Chevrolet Model: Avalanche Year: 2012 Codes Chassis Code: GMT900 👋 Introduction Market Position Market Position: The 2012 Chevrolet Avalanche occupied a unique niche as a light-duty pickup truck with an integrated, enclosed cargo bed (Midgate technology), blending SUV-like passenger comfort with the utility of a truck. This manual targets DIY enthusiasts and professional technicians seeking accurate, factory-derived repair information. Competitive Analysis Competitive Analysis: Competed against other large SUVs and heavy-duty pickup trucks, but its unique design offered a distinct advantage for those requiring both passenger space and secure, weather-protected cargo hauling. The availability of a comprehensive online service manual is crucial for maintaining such a specialized vehicle. Key Features Key Features: Officially licensed, OE material-derived content, online accessibility, PC/laptop/smartphone/tablet compatibility, one-year access with renewal options, detailed repair procedures, and extensive system coverage. 📋 Manual Details Coverage Areas Coverage Areas: North America Page Count Page Count: Extensive (specific page count not provided, but described as 'comprehensive' and 'all the service and repair information you could ever need') Manual Type Manual Type: Online Service and Repair Manual Software Language Language: English Format Format: Online Software (Web Browser Accessible) Origin Origin: Licensed information derived from OE (Original Equipment) materials. Developer Developer: RepairSurge 📖 Manual Coverage Systems Covered Systems Covered: Engine, Drivetrain, Brakes, Suspension, Steering, Electrical Systems, HVAC, Body and Frame, Fuel System, Cooling System, Exhaust System, Interior Components, Exterior Components, Diagnostic Procedures, Troubleshooting Procedures Included Procedures Included: Routine Maintenance, Scheduled Service, Component Replacement, Diagnostic Testing, Repair Procedures, Wiring Diagrams, Technical Specifications, Torque Values, Fluid Capacities, Lubrication Charts Technical Depth Technical Depth: Factory-level diagnostics and repair procedures, covering everything from basic maintenance to complex system overhauls and component rebuilds. Diagnostics Diagnostics Coverage: Detailed diagnostic procedures for all major vehicle systems, including OBD-II trouble codes, symptom analysis, and component testing. Wiring Diagrams Wiring Diagrams Coverage: Comprehensive electrical system wiring diagrams for all circuits, including power distribution, grounds, and component locations. 📊 Manual Specifications File Format File Format: Web-based access; data derived from OE materials. Print Quality Print Quality: N/A (Online Format) Binding Type Binding Type: N/A (Online Format) Paper Type Paper Type: N/A (Online Format) Access Duration Access Duration: 1 Year (with options for discounts on additional years) Compatibility Compatibility: Compatible with any PC, Laptop, Smartphone, or Tablet with an internet connection and web browser. ⚙️ Engine Specifications Primary Engine Primary Engine: 6.2L V8 (L94) Performance Horsepower: 403 hp @ 5,700 rpm Torque: 417 lb-ft @ 4,300 rpm Fuel System Fuel System: Sequential Fuel Injection (SFI) with Active Fuel Management (AFM) and Variable Valve Timing (VVT). Engine Codes Engine Codes: L94 Liter Displacement Liter Displacement: 6.162 L Engine Type Engine Type: Naturally Aspirated, Overhead Valve (OHV) V8 Bore X Stroke Bore X Stroke: 4.06 in x 3.62 in Compression Ratio Compression Ratio: 10.8:1 🔧 Transmission Standard Transmission Type: 6-speed automatic (6L80E) Optional Transmission Type: N/A (6L80E was standard across all 2012 Avalanche models) Features Features: Driver Shift Control with Tap Up/Tap Down manual mode. 📐 Dimensions Exterior Overall Length: 220.7 inches Overall Width: 79.1 inches Overall Height: 76.8 inches Wheelbase: 130.0 inches Ground Clearance: Approx. 8.9 inches (est.) Approach Angle: Approx. 25.5 degrees (est.) Departure Angle: Approx. 22.1 degrees (est.) Weights Curb Weight Est: 5,600 - 5,900 lbs Towing Capacity: Up to 8,500 lbs (depending on configuration) Payload Capacity: Approx. 1,500 - 1,700 lbs (depending on configuration) Cargo Cargo Volume Midgate Up: 45.5 cubic feet Cargo Volume Midgate Down: 78.0 cubic feet 🛡️ Safety Features Ratings NHTSA Overall Rating: 4 out of 5 stars (General Estimate based on similar GMT900 platform vehicles) Active Features Active Features: StabiliTrak Electronic Stability Control, Traction Control, Anti-lock Braking System (ABS), Trailer Sway Control, Integrated Trailer Brake Controller (Optional). Passive Features Passive Features: Frontal Airbags, Side-Curtain Airbags (Roll-Out), Body-on-Frame Construction. 💡 Technology Features Infotainment Infotainment System: Available Chevrolet MyLink infotainment system with touchscreen, Bluetooth connectivity, USB port, and optional navigation. Bose premium audio system available. Driver Assistance Driver Assistance Features: Rearview Camera, Parking Assist Sensors, Navigation System. Connectivity Connectivity Features: Bluetooth for hands-free calling and audio streaming, USB input. 🔧 Maintenance Service Intervals Oil Change Interval: Every 7,500 miles or 6 months (synthetic oil recommended), or when the Oil Life Monitoring System indicates. Tire Rotation Interval: Every 7,500 miles Engine Air Filter Replacement: Check every 15,000 miles, replace as needed. Cabin Air Filter Replacement: Check every 15,000 miles, replace as needed. Spark Plug Replacement: Check at 97,500 miles, replace as needed (typically long-life platinum or iridium plugs). Fluid Specifications Engine Oil Specification: SAE 5W-30, API SN certified, Dexos 1 approved synthetic (for 6.2L V8). Transmission Fluid Specification: Dexron VI Automatic Transmission Fluid. Coolant Specification: GM P/N 12346290 (Orange) or equivalent, meeting GM6244M specification. Use a 50/50 mix with distilled water. Brake Fluid Specification: DOT 3 or DOT 4. Known Issues Known Issues: Active Fuel Management...