🏷️ Basic Information Identification Make: GMC Model: Yukon XL 2500 Year: 2011 Codes Platform: GMT900 (GMT935 for 2500 variants) Vin Code: 8th digit indicates engine 👋 Introduction Market Position Vehicle Segment: Full-size, heavy-duty SUV Competitive Analysis Key Competitors: Ford Expedition EL, Chevrolet Suburban Key Features Vehicle Purpose: Towing, hauling, passenger transport, family utility Manual Advantage: Officially licensed, OE-derived information for accurate repairs, convenient digital access 📋 Manual Details Coverage Areas Documentation Scope: Comprehensive service and repair information Page Count Estimated Page Count: Extensive; digitally delivered, equivalent to thousands of printed pages Manual Type Type: Service and Repair Manual Software Language Language: English Format Format: Online Access (Web Browser Based) 📖 Manual Coverage Systems Covered Powertrain: Engine mechanical, fuel system, lubrication, cooling, exhaust, ignition, emissions control Drivetrain: Automatic transmission (4L70-E), transfer case (NP1, NP2/NP8), driveshafts, axles, differential (G80 locking) Chassis: Front suspension (independent torsion bar), rear suspension (solid axle with multi-leaf springs), steering system (hydraulic power-assisted rack and pinion), brakes (front vented discs, rear solid discs, ABS, EBD, HSA) Electrical: Battery, charging system, starting system, lighting, instrumentation, power accessories, body control module (BCM), infotainment, HVAC controls, airbags Body: Body and frame, exterior trim, interior trim, doors, windows, liftgate, HVAC system (including dual-zone climate control) Fuel System Details: Fuel pump, injectors, fuel lines, fuel filter replacement procedures. Cooling System Details: Radiator, water pump, thermostat, coolant hoses, fan assembly replacement and diagnostics. Procedures Included Maintenance: Scheduled maintenance (oil changes, filter replacements, fluid checks), inspections, lubrication Diagnostics: Troubleshooting guides, diagnostic trouble codes (DTCs), symptom analysis, electrical circuit testing Repair: Component removal and installation, disassembly and reassembly, adjustments, alignments, calibrations Wiring: Complete wiring diagrams, connector views, component locations Special Tools: Identification and usage of specialized tools required for specific procedures. Technical Depth Depth: Factory-level technical information for professional technicians and advanced DIYers; includes detailed torque specifications, tolerances, and procedures. 📊 Manual Specifications File Format Software Type: Proprietary web-based platform Print Quality Digital Resolution: High-resolution digital content optimized for web display Binding Type Delivery Method: Online subscription access Paper Type Digital Media: Accessed via internet browser on PC, laptop, smartphone, or tablet Access Duration Subscription Period: 1 Year of access included, with discounts for extended access. ⚙️ Engine Specifications Primary Engine Engine Type: Vortec 6.0L V8 (L96) Performance Horsepower: 301 hp @ 4,400 rpm Torque: 373 lb-ft @ 4,400 rpm Fuel System Fuel Delivery: Sequential Electronic Fuel Injection (SFI) Recommended Fuel: Regular Unleaded Gasoline (87 Octane) Engine Components Block Material: Cast Iron Cylinder Head Material: Aluminum Valvetrain: Overhead Valve (OHV), 2 valves per cylinder 🔧 Transmission Standard Transmission Type: 4-speed automatic overdrive with manual mode (TapShift) Transmission Model: 4L70-E Optional Drive Type: RWD or AWD Features Transfer Case: Available: Autoride Suspension System (NPP), Automatic Locking Rear Differential (G80), StabiliTrak with Electronic Trailer Sway Control Fluid Specs Transmission Fluid Type: Dexron VI 📐 Dimensions Exterior Wheelbase: 130.0 inches (3302 mm) Overall Length: 222.4 inches (5649 mm) Overall Width: 79.1 inches (2009 mm) Overall Height: 75.5 inches (1918 mm) Weights Curb Weight: Approx. 5,677 - 5,830 lbs (2575 - 2644 kg) Gross Vehicle Weight Rating Gvw: 8,500 lbs (3856 kg) Max Towing Capacity: 9,500 lbs (4309 kg) with proper trailering equipment Cargo Cargo Volume Behind 3Rd Row: 45.8 cu ft (1.30 m³) Cargo Volume Behind 2Nd Row: 99.0 cu ft (2.80 m³) Cargo Volume Behind 1St Row: 137.5 cu ft (3.90 m³) 🛡️ Safety Features Ratings NHTSA Frontal Crash Test: 5-Star Driver, 5-Star Passenger NHTSA Side Impact Crash Test: 5-Star Front Seat, 5-Star Rear Seat NHTSA Rollover Resistance: 4-Star Active Features Stability Control: StabiliTrak with Electronic Trailer Sway Control Traction Control: All-Speed Traction Control Braking Assist: Hydroboost Brakes, Hill Start Assist (HSA) Passive Features Airbags: Driver and front passenger airbags, front and second-row side-curtain airbags Seatbelts: 3-point safety belts for all seating positions, front seat pretensioners 💡 Technology Features Infotainment Audio System: Available Bose premium audio, touch-screen navigation system, USB and auxiliary audio inputs. Driver Assistance Rear View Camera: Available rear vision camera system. Parking Assist: Available Ultrasonic Rear Parking Assist. Connectivity Onstar: Available OnStar capabilities (subscription-based service). 🔧 Maintenance Service Intervals Oil Change Interval: Every 7,500 miles or 6 months, or as indicated by oil life monitoring system. Tire Rotation Interval: Every 7,500 miles Transmission Fluid Change: Inspect every 30,000 miles; replace as needed or at higher mileage intervals based on severe usage. Fluid Specifications Engine Oil Type: SAE 5W-30 Synthetic Blend or Full Synthetic Engine Coolant Type: Dex-Cool (GM 6277M), Orange Long-Life Coolant Brake Fluid Type: DOT 3 Known Issues Common Wear Items: Brake pads and rotors, front suspension components (ball joints, control arm bushings), exhaust system components, fuel pumps. Powertrain Considerations: While robust, the 6.0L Vortec can be sensitive to cooling system maintenance; cylinder deactivation system (AFM) components can require attention in higher mileage vehicles. 📚 Vehicle History Brand Heritage Gmc Legacy: GMC (General Motors...