🏷️ Basic Information Identification Make: GMC Model: Yukon XL 2500 Year: 2008 Codes Platform: GMT900 👋 Introduction Market Position Target Audience: DIY enthusiasts, independent repair shops, fleet maintenance personnel Competitive Analysis Advantage: Convenient online access, factory-derived data, cost-effective compared to printed manuals or dealership services Key Features Data Source: RepairSurge, licensed OE materials Searchability: Push-button information access 📋 Manual Details Coverage Areas Coverage: Comprehensive service and repair Page Count Page Count: Estimated >2000 pages (typical for OE service manuals) Manual Type Type: Official Service and Repair Manual Software Language Language: English Format Format: Online Software Access (Yearly Subscription) 📖 Manual Coverage Systems Covered Engine: Detailed diagnosis, repair, and overhaul of powertrain components Drivetrain: Front and rear axle, driveshafts, differentials, transfer case, and propeller shafts Brakes: ABS, traction control, brake calipers, rotors, pads, lines, and master cylinder service Suspension: Front and rear suspension, shock absorbers, springs, control arms, ball joints, and wheel bearings Steering: Power steering system, steering gear, steering column, and linkage Electrical: Complete wiring diagrams, diagnostic procedures for all electrical components, ECU, sensors, and actuators HVAC: Air conditioning system, heater core, blower motor, climate control module, and refrigerant service Body: Body panel removal and installation, interior trim, doors, windows, locks, and exterior lighting Chassis: Frame, chassis components, and body mountings Procedures Included Maintenance: Routine maintenance schedules, fluid changes, filter replacements, inspections Troubleshooting: Diagnostic flowcharts and procedures for common and intermittent faults Repair: Step-by-step repair instructions for all major vehicle systems Disassembly Assembly: Detailed procedures for component removal and reinstallation Specifications Tolerances: Torque specifications, clearances, and alignment data Wiring Diagrams: Comprehensive electrical schematics for all vehicle systems Technical Depth Depth: Factory-level diagnostic and repair procedures 📊 Manual Specifications File Format Compatibility: PC, laptop, smartphone, tablet (requires internet and web browser) Print Quality Print Quality: N/A (Digital Format) Binding Type Binding Type: N/A (Digital Format) Paper Type Paper Type: N/A (Digital Format) Licensing Licensing: Officially Licensed, derived from OE materials Access Duration Access Duration: 1 Year (with discounts for renewal) ⚙️ Engine Specifications Primary Engine Engine Code: V8 (Specific engine variants like 6.0L Vortec L76 or 6.2L Vortec L92 are common for 2500 models) Engine Type: Vortec V8, Overhead Valve (OHV) or Overhead Cam (OHC) depending on specific L-series engine Displacement: Typically 6.0L (364 cu in) or 6.2L (376 cu in) Performance Horsepower: Approx. 350-380 hp (depending on specific engine) Torque: Approx. 370-400 lb-ft (depending on specific engine) Fuel System Fuel Delivery: Multi-port Fuel Injection (MPFI) or Direct Injection (DI) for L92 variants Fuel Type: Unleaded gasoline Engine Management ECU Type: ECM (Engine Control Module) 🔧 Transmission Standard Transmission Type: 6-Speed Automatic (e.g., 6L90) Optional Transmission Type: N/A (6-speed automatic was standard for 2500) Features Drive Type: RWD or 4WD (with Autotrac 4WD system) Fluid Specs Fluid Type: Dexron VI Automatic Transmission Fluid (ATF) 📐 Dimensions Exterior Wheelbase: 130.0 inches (3302 mm) Length: 222.0 inches (5639 mm) Width: 79.1 inches (2009 mm) Height: 75.7 inches (1923 mm) Cargo Cargo Volume Behind 3Rd Row: Approx. 45.8 cu ft Cargo Volume Behind 2Nd Row: Approx. 97.1 cu ft Cargo Volume Behind 1St Row: Approx. 137.5 cu ft Weights Curb Weight: Approx. 5,400 - 5,800 lbs (2450 - 2630 kg) depending on configuration Gvwr: 8,500 lbs (3856 kg) Towing Capacity: Up to 9,500 lbs (4309 kg) with appropriate towing package Wheels Tires Wheel Size: Standard 17-inch or optional 18-inch or 20-inch alloy wheels Bolt Pattern: 6 x 139.7 mm (6 x 5.5 inches) Tire Size Standard: P265/70R17 (or similar LT-metric equivalent for 2500) 🛡️ Safety Features Ratings NHTSA Rollover Resistance: 4-star rating (typical for this era and type of vehicle) Active Features Traction Control: Standard Electronic Stability Control: StabiliTrak (Standard on most trims) Anti Lock Brakes: 4-wheel disc ABS (Standard) Passive Features Airbags: Frontal airbags for driver and passenger, optional side-impact and curtain airbags 💡 Technology Features Infotainment Infotainment System: Optional touchscreen navigation system, Bose premium audio system Driver Assistance Rear Parking Assist: Optional Backup Camera: Optional Connectivity Connectivity Features: OnStar system integration (subscription-based) 🔧 Maintenance Service Intervals Oil Change Interval: Every 7,500 miles or 6 months (under normal driving conditions) Tire Rotation: Every 7,500 miles Transmission Fluid Change: Every 45,000-100,000 miles, depending on driving conditions and fluid analysis (refer to manual for specifics) Spark Plug Replacement: Approx. 100,000 miles (for iridium-tipped plugs) Fluid Specifications Engine Oil Type: SAE 5W-30 Synthetic Blend or Full Synthetic (API SN/SP) Engine Oil Capacity: Approx. 6.0 - 7.0 quarts (5.7 - 6.6 liters) depending on engine Coolant Type: Dex-Cool (GM P/N 12346290 or equivalent orange long-life coolant) Known Issues Common Problems: Active Fuel Management (AFM) lifter issues, transmission torque converter shudder, dashboard crackling/squeaking, potential for fuel pump failure Recall Information: Refer to NHTSA website for specific recalls applicable to the VIN 📚 Vehicle History Brand Heritage Brand Focus: GMC trucks and SUVs known for professional grade and capability...