🏷️ Basic Information Identification Make: Jeep Model: Grand Cherokee Year: 2004 Chassis Code: WG 👋 Introduction Market Position Segment: Mid-size Luxury SUV Competitive Analysis Key Competitors 2004: Ford Explorer, Toyota 4Runner, Chevrolet TrailBlazer, Nissan Pathfinder, Lexus RX 330 Key Features Platform: WK platform (shared with Mercedes-Benz M-Class) Design Era: Second Generation Grand Cherokee Powertrain Options: Renowned for its V8 engine options and off-road capability 📋 Manual Details Coverage Areas Vehicle Models Covered: Jeep Grand Cherokee WG (2004) Page Count Estimated Page Count: 1500+ Manual Type Type: Full Service & Repair Manual Language Language: English Format Format: Digital (PDF) 📖 Manual Coverage Systems Covered Engine: Detailed diagnosis, repair, and overhaul of all gasoline engines (4.7L V8, 4.0L I6) Transmission: Repair and overhaul of automatic transmissions (e.g., 45RFE, 545RFE), including torque converter and external controls Drivetrain: Front and rear axle overhaul, differential service, driveshaft maintenance, transfer case (NV247/NV245) operation and repair Suspension: Front and rear suspension component diagnosis and replacement (control arms, ball joints, springs, shocks, bushings) Steering: Power steering system diagnosis, repair (pump, rack and pinion), and alignment procedures Brakes: Hydraulic system service, ABS diagnosis and repair, brake pad/rotor replacement, brake fluid flush Electrical: Comprehensive wiring diagrams, component testing, diagnosis of lighting, starting/charging system, power accessories, and body control modules HVAC: Air conditioning system service, diagnosis of climate control, blower motor, compressor, and refrigerant handling Fuel System: Fuel pump replacement, injector cleaning, fuel filter service, evaporative emission control (EVAP) system diagnosis Exhaust System: Catalytic converter replacement, muffler repair/replacement, exhaust manifold service Cooling System: Radiator service, water pump replacement, thermostat diagnosis, coolant flushing and filling Body And Trim: Interior and exterior trim removal/installation, body panel repair, door and window regulator service Procedures Included Maintenance: Routine maintenance tasks (oil changes, filter replacements, spark plug changes, tire rotations) with recommended intervals Troubleshooting: System-specific diagnostic charts and flowcharts for common and uncommon problems Repair: Step-by-step instructions for component removal, repair, and reinstallation Rebuild: Detailed procedures for engine and transmission rebuilds Diagnostics: OBD-II (On-Board Diagnostics II) code lookup and interpretation, sensor testing Specifications: Torque specifications for all fasteners, fluid capacities, engine timing settings Technical Depth Level Of Detail: Comprehensive, suitable for professional technicians and advanced DIY mechanics 📊 Manual Specifications File Format PDF Quality: High-resolution, searchable text, printable pages Print Quality Digital Quality: Clear, legible text and diagrams Binding Type Binding: N/A (Digital Format) Paper Type Paper Quality: N/A (Digital Format) ⚙️ Engine Specifications Primary Engine Engine 1 Displacement: 4.0L (242 cu in) Inline-6 Engine 1 Horsepower: 195 hp @ 4600 rpm Engine 1 Torque: 230 lb-ft @ 3200 rpm Engine 2 Displacement: 4.7L (287 cu in) V8 (Magnum) Engine 2 Horsepower: 235 hp @ 4700 rpm (later models 2004 may have 260 hp) Engine 2 Torque: 285 lb-ft @ 3400 rpm (later models 2004 may have 315 lb-ft) Performance Valvetrain: Overhead Valve (OHV), 2 valves per cylinder (4.0L I6), Single Overhead Cam (SOHC), 3 valves per cylinder (4.7L V8) Fuel System Fuel Delivery: Multi-Point Fuel Injection (MPI) Fuel Type: Unleaded gasoline Engine Management ECU Type: Chrysler PCI (Controller Area Network) bus 🔧 Transmission Standard Transmission Type Standard: 4-speed Automatic (45RFE/545RFE) Optional Transmission Type Optional: 5-speed Manual (rarely specified for 2004 WG, often on export models) Features Transfer Case Options: Selec-Trac (NV242) or Quadra-Drive II (NV245 with electronic traction control and differentials) Fluid Specifications Automatic Transmission Fluid: Chrysler ATF+4 (MS-9602) 📐 Dimensions Exterior Wheelbase: 116.0 inches (2946 mm) Length: 184.0 inches (4674 mm) Width: 74.5 inches (1892 mm) Height: 66.6 inches (1692 mm) Cargo Cargo Volume Behind Rear Seat: 37.7 cubic feet (1068 L) Cargo Volume With Rear Seat Folded: 71.0 cubic feet (2011 L) Weights Curb Weight Approx: 4,200 - 4,600 lbs (1905 - 2087 kg) Towing Capacity Max: 5,000 - 6,500 lbs (2268 - 2948 kg), depending on configuration 🛡️ Safety Features Ratings NHTSA Rollover Resistance Rating: 4 out of 5 stars (for 4x4 models) IIHS Frontal Offset Crash Test: Good (for 2002-2004 models) Active Features ABS: Standard 4-wheel Anti-lock Braking System (ABS) Traction Control: Available on 4x4 models (e.g., Quadra-Trac II with electronic traction control) Passive Features Airbags: Standard front airbags, optional side curtain airbags for front and rear occupants 💡 Technology Features Infotainment Audio Options: Factory AM/FM/CD player, optional Infinity premium sound system, Sirius Satellite Radio availability. Navigation: Optional factory navigation system available on higher trims. Driver Assistance Cruise Control: Standard on all models. Connectivity Power Accessories: Power windows, power door locks, remote keyless entry, available power liftgate. 🔧 Maintenance Service Intervals Oil Change Interval: Every 3,000-7,500 miles (5,000-12,000 km) or 6 months, depending on driving conditions and oil type (refer to manual for exact details). Engine Air Filter Replacement: Every 15,000-30,000 miles (24,000-48,000 km) or as needed based on inspection. Spark Plug Replacement 4.0L: Every 100,000 miles (160,000 km) with Champion copper plugs. Spark Plug Replacement 4.7L: Every 100,000 miles (160,000...