🏷️ Basic Information Identification Make: Jeep Model: Grand Cherokee Model Code: WG Year: 2004 👋 Introduction Market Position Target Audience: Professional automotive technicians, advanced DIY enthusiasts. Competitive Analysis Content Advantage: Provides detailed, factory-level information essential for accurate diagnostics and repairs. Key Features Download Availability: Instant download for immediate access. Comprehensiveness: Covers all major vehicle systems for the specified model and year. 📋 Manual Details Coverage Areas Manual Type: Factory Service Manual / Repair Manual Language: English Format: PDF Download 📖 Manual Coverage Systems Covered Powertrain: Engine mechanical, engine cooling, fuel system, exhaust system, transmission (automatic), transfer case, driveline, axles. Chassis: Suspension (front and rear), steering, brakes (front and rear, ABS), wheels and tires. Electrical: Battery, charging system, starting system, ignition system, lighting, instrumentation, wipers and washers, power accessories, body control module (BCM), airbags, anti-theft. Body: Exterior body panels, interior trim, doors, windows, locks, glass, bumpers, roof systems. Procedures Included Maintenance: Scheduled maintenance, fluid changes, filter replacements, inspections. Troubleshooting: Diagnostic charts, symptom-to-cause analysis, common fault finding. Repair: Component removal and installation, adjustments, overhaul procedures, rebuild instructions. Technical Depth Depth: Comprehensive diagnostic procedures, electrical schematics, torque specifications, timing procedures, component testing, system overhauls. 📊 Manual Specifications File Format File Type: PDF (Portable Document Format) Searchability: Text-searchable for quick information retrieval. Print Quality: High-resolution scans, suitable for printing individual pages or the entire manual. Binding Type Binding: N/A (Digital Download) Paper Type Paper: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Type 1: 4.0L (3957cc) SOHC V8 (PowerTech) Engine Code 1: TBD (Specific code may vary by market, but commonly associated with the 4.0L). Engine Displacement 1: 3957 cc Horsepower 1: ~190 hp @ 4600 rpm (Estimate, confirm with manual) Torque 1: ~235 lb-ft @ 3000 rpm (Estimate, confirm with manual) Fuel System Fuel Delivery 1: Sequential Multi-Port Fuel Injection (MPI) Fuel Type 1: Unleaded Gasoline Optional Engine Engine Type 2: 4.7L (4701cc) SOHC V8 (PowerTech) Engine Code 2: TBD (Specific code may vary by market, but commonly associated with the 4.7L). Engine Displacement 2: 4701 cc Horsepower 2: ~230 hp @ 4700 rpm (Estimate, confirm with manual) Torque 2: ~300 lb-ft @ 3200 rpm (Estimate, confirm with manual) Fuel Delivery 2: Sequential Multi-Port Fuel Injection (MPI) Fuel Type 2: Unleaded Gasoline 🔧 Transmission Standard Transmission Type: 4-Speed Automatic Transmission Model: 45RFE / 48RE (Depending on engine and drivetrain configuration) Gear Ratios: TBD (Specific ratios vary by transmission variant) Fluid Type: ATF+4 (Mopar) Optional Transmission Type Optional: N/A (Typically standard across trims for 2004) Features Transfer Case: Selec-Trac NV242 (Full-time 4WD, optional part-time 2WD) Transfer Case Fluid: MS-9224 (Mopar) 📐 Dimensions Exterior Length: Approx. 185.4 inches (4709 mm) Width: Approx. 72.5 inches (1842 mm) Height: Approx. 67.8 inches (1722 mm) Wheelbase: Approx. 116.0 inches (2946 mm) Weights Curb Weight: Approx. 4,200 - 4,500 lbs (1905 - 2041 kg) depending on configuration 🛡️ Safety Features Ratings NHTSA Front Impact Driver: 4 Stars (2004 model year ratings may vary; confirm with manual) NHTSA Front Impact Passenger: 4 Stars (2004 model year ratings may vary; confirm with manual) Active Features ABS: Standard (4-wheel disc brakes with ABS) Traction Control: Optional/Standard on higher trims (Electronic Traction System - ETS) Passive Features Airbags Front: Standard (Driver and Passenger Frontal) Airbags Side: Optional (Side Curtain Airbags) 💡 Technology Features Infotainment Audio System: Available AM/FM stereo with CD player, optional premium audio systems (e.g., Infinity). Navigation: Optional factory navigation system. Driver Assistance Cruise Control: Standard Connectivity Power Outlets: 12V accessory power outlets. 🔧 Maintenance Service Intervals Oil Change Interval: Every 3,000 - 5,000 miles (5,000 - 8,000 km) or 6 months, whichever comes first (depending on driving conditions). Engine Coolant Flush: Every 30,000 miles (48,000 km) or 2 years. Transmission Fluid Change: Every 30,000 - 60,000 miles (48,000 - 96,000 km) or 2-3 years (depending on use and fluid type). Fluid Specifications Engine Oil Specification: SAE 5W-30 (API Certified) Engine Oil Capacity 4.0L: 5 Quarts (4.7 Liters) with filter Engine Oil Capacity 4.7L: 5.5 Quarts (5.2 Liters) with filter Engine Coolant Type: Mopar Antifreeze/Coolant (HOAT - Hybrid Organic Acid Technology), Green Color Brake Fluid Type: DOT 3 Known Issues Common Problem 1: Heater core leaks (often requiring dashboard removal). Common Problem 2: Transfer case issues (e.g., chain stretch, bearing wear). Common Problem 3: Jeep Wobble (death wobble) due to worn suspension components (track bar, ball joints, tie rods). Common Problem 4: Cooling system issues (radiator leaks, thermostat failures). 📚 Vehicle History Brand Heritage Jeep Legacy: Long-standing reputation for off-road capability and robust construction. Model Evolution Grand Cherokee Lineage: The 2004 model represents the second generation (WJ) of the Grand Cherokee, known for improved on-road manners and luxury features compared to earlier generations. Wj Generation: Produced from 1999 to 2004, the WJ introduced unibody construction (though still robust), more refined interiors, and a wider range of engine options. Production Manufacturing...