🏷️ Basic Information Identification Make: GMC Model: Yukon XL 2500 Year: 2004 Generation Platform: GMT800 Codes Body Style Code: GMT830 (for 2500 models) 👋 Introduction Market Position Target Audience: DIYers, independent repair shops, fleet maintenance personnel Competitive Analysis Advantage: Licensed OE information, convenient online access, cost-effective compared to traditional printed manuals, broad system coverage. Key Features Licensing: Officially licensed by General Motors Access Duration: 1-year access with discounts for renewal Compatibility: PC, Laptop, Smartphone, Tablet (requires internet and web browser) 📋 Manual Details Coverage Areas Primary Coverage: Comprehensive service and repair for 2004 GMC Yukon XL 2500 Secondary Coverage: Troubleshooting, diagnostics, maintenance, specifications, wiring diagrams Page Count Estimated Pages: Extensive (Digital format provides access to a vast library of information) Manual Type Type: Service and Repair Manual Software Language Language: English Format Format: Online/Software Access (Web Browser Compatible) 📖 Manual Coverage Systems Covered Powertrain: Engine, Fuel System, Exhaust System, Drivetrain (RWD/4WD), Transmission, Transfer Case, Differentials Chassis: Suspension (Front & Rear), Steering, Brakes (Hydraulic & ABS), Wheels & Tires Electrical: Ignition System, Charging System, Starting System, Lighting, Gauges & Instruments, Body Electrical, Powertrain Control Module (PCM), Antilock Braking System (ABS), Restraint System (Airbags) Body: Exterior Body Panels, Interior Trim, HVAC (Heating, Ventilation, and Air Conditioning), Seating Systems Procedures Included Maintenance: Scheduled maintenance, fluid changes, filter replacements, tune-ups Diagnostics: Troubleshooting guides, diagnostic trouble codes (DTCs), symptom-based diagnostics Repair: Component removal and installation, system repairs, adjustments Specifications: Torque specifications, clearances, fluid capacities, electrical values Technical Depth Depth: Factory-derived OE (Original Equipment) level, covering everything from basic maintenance to advanced diagnostics and component overhauls. 📊 Manual Specifications File Format Software Type: Web-based software/online portal Print Quality Digital Quality: High-resolution diagrams, schematics, and text Binding Type Binding: N/A (Digital Format) Paper Type Paper Type: N/A (Digital Format) ⚙️ Engine Specifications Primary Engine Engine Code: LY6 Engine Description: 6.0L (366 cu in) V8 SFI Vortec Engine Performance Horsepower: 300 hp @ 4400 rpm (approximate) Torque: 355 lb-ft @ 4000 rpm (approximate) Fuel System Induction: Sequential Multi-Port Fuel Injection (SFI) Fuel Type: Unleaded Gasoline Engine Management ECU: Powertrain Control Module (PCM) Cooling System Coolant Type: Dex-Cool (Orange) Coolant Capacity: Approximately 17.0 quarts (16.1 L) 🔧 Transmission Standard Transmission Type: 4-Speed Automatic (4L70-E) Optional Optional Transmission: N/A for 2500 models with 6.0L engine Features Drive Type: Rear-Wheel Drive (RWD) or Four-Wheel Drive (4WD) Transfer Case: NVG 246 (Autotrac) for 4WD models Fluid Specs Transmission Fluid Type: Dexron III H or Dexron VI compatible Fluid Capacity Transmission Fluid Capacity: Approximately 12.0 quarts (11.4 L) (dry fill) 📐 Dimensions Exterior Wheelbase: 130.0 inches (3302 mm) Length: 221.2 inches (5619 mm) Width: 79.1 inches (2009 mm) Height: 75.9 inches (1928 mm) Weights Curb Weight: Approximately 5,600 - 6,000 lbs (2540 - 2722 kg) Gvw Rating: 8,600 lbs (3901 kg) (maximum) Towing Capacity: Up to 10,000 lbs (4536 kg) (with proper equipment and configuration) Cargo Cargo Volume Behind 3Rd Row: Approx. 42.5 cu ft (1.20 m³) Cargo Volume Behind 2Nd Row: Approx. 91.0 cu ft (2.58 m³) Cargo Volume Behind 1St Row: Approx. 136.4 cu ft (3.86 m³) 🛡️ Safety Features Ratings NHTSA Frontal Driver: 5-Star NHTSA Frontal Passenger: 5-Star NHTSA Side Driver: 5-Star NHTSA Side Rear Passenger: 5-Star Active Features ABS: Standard 4-wheel disc ABS Traction Control: Optional Passive Features Airbags: Frontal airbags for driver and front passenger, Optional side-impact airbags Seatbelts: Three-point seat belts in all seating positions 💡 Technology Features Infotainment Audio System: Optional Bose premium audio system, CD player, AM/FM radio. Navigation: Optional factory navigation system Driver Assistance Parking Assist: Optional rear parking assist sensors Connectivity Onstar: Optional OnStar system 🔧 Maintenance Service Intervals Oil Change Interval: Every 7,500 miles or 6 months, or as indicated by the oil life monitoring system. Tire Rotation Interval: Every 7,500 miles Transmission Fluid Interval: Check every 7,500 miles, replace as needed or at higher mileage intervals (e.g., 100,000 miles, consult manual). Fluid Specifications Engine Oil Viscosity: SAE 5W-30 Engine Oil Spec: API SN, SM, SL, or SJ certified, ILSAC GF-5 or GF-4 compliant Brake Fluid Type: DOT 3 Power Steering Fluid: GM Power Steering Fluid (or Dexron-III/VI ATF) Known Issues Common Wear Items: Brake pads and rotors, suspension components (ball joints, tie rod ends), front hub bearings, spark plugs, catalytic converters. Potential Electrical Issues: HVAC blower motor resistor, body control module (BCM) issues, instrument cluster problems. Engine Specific: Possible intake manifold gasket leaks (older models), lifter noise (less common on 6.0L compared to 5.3L). 📚 Vehicle History Brand Heritage Brand Focus: GMC is a division of General Motors focused on trucks, SUVs, and vans. Model Evolution Yukon Xl Origin: The Yukon XL is the long-wheelbase version of the GMC Yukon, based on GM's full-size truck platform. Introduced as the Chevrolet Suburban/GMC Suburban in 1935, it has evolved into a premium SUV. Production Manufacturing Location: Arlington, Texas, USA Model Year Group: Second...