🏷️ Basic Information Identification Make: Jeep Model: Grand Cherokee Year: 2004 Generation: WJ Codes Platform Code: WJ 👋 Introduction Market Position Segment: Mid-size Luxury SUV Competitive Analysis Key Competitors: Ford Explorer, Toyota 4Runner, Chevrolet Blazer, Nissan Pathfinder Key Features Vehicle Strengths: Off-road capability (Selec-Trac, Quadra-Trac II), comfortable ride, spacious interior, available V8 engine 📋 Manual Details Coverage Areas Coverage Scope: Comprehensive service, repair, and maintenance 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 Mechanical: Complete overhaul, component testing, and diagnosis for all gasoline engines Engine Electrical: Ignition system, fuel injection system (MPI), emissions control, starting and charging system, sensors and actuators Transmission: 42RE (4-speed Automatic), NV3500 (5-speed Manual) - Overhaul, diagnosis, fluid service, torque converter Drivetrain: Quadra-Trac II (4WD), Selec-Trac (4WD), Command-Trac (4WD) - Transfer case operation, differentials, axle bearings, driveshafts, U-joints Suspension: Front: Solid beam axle with locating arms, coil springs, sway bar. Rear: Solid beam axle with locating arms, coil springs, sway bar. Bushing replacement, alignment specifications, shock absorber/strut service. Steering: Power steering system, steering gear, tie rods, steering linkage, steering column, power steering fluid specifications Brakes: Front: Ventilated discs. Rear: Solid discs. ABS, proportioning valves, brake fluid specifications (DOT 3), caliper, rotor, pad service, bleeding procedures Electrical System: Wiring diagrams, fuse box locations, relay functions, lighting, power windows, power locks, interior electronics, body control module (BCM) Body And Interior: Body panels, doors, hood, tailgate, interior trim, seats, HVAC system, body sealants HVAC: Air conditioning system, heater core, blower motor, climate control unit, refrigerant type (R-134a) Procedures Included Routine Maintenance: Oil changes, filter replacements (oil, air, fuel, cabin), fluid checks and top-offs, tire rotation, spark plug replacement Troubleshooting: Diagnostic procedures for common and uncommon issues, fault code interpretation, symptom-based diagnostics Component Repair: Detailed step-by-step instructions for engine, transmission, drivetrain, suspension, steering, brakes, electrical components, and bodywork Rebuild Procedures: Complete engine rebuild, transmission overhaul, differential rebuild Diagnostics: OBD-II diagnostics, scanner usage, specific system testing, wiring harness testing Technical Depth Depth: Expert level, suitable for professional mechanics and advanced DIY enthusiasts 📊 Manual Specifications File Format Digital Format: PDF Print Quality Readability: High-resolution, clear text and diagrams Binding Type Binding: N/A (Digital) Paper Type Paper Quality: N/A (Digital) ⚙️ Engine Specifications Primary Engine Engine 1: 4.0L (3956cc) Inline 6-Cylinder (MPI - Multi-Point Fuel Injection) Engine 1 Code: SOHC 12-valve, PowerTech (ID: 4.0L I6) Engine 2: 4.7L (4701cc) V8 (MPI - Multi-Point Fuel Injection) Engine 2 Code: SOHC 16-valve, PowerTech (ID: 4.7L V8) Performance Engine 1 Horsepower: 195 hp @ 4600 rpm Engine 1 Torque: 230 lb-ft @ 3000 rpm Engine 2 Horsepower: 235 hp @ 4750 rpm Engine 2 Torque: 325 lb-ft @ 3250 rpm Fuel System Fuel Delivery: Sequential Multi-Port Fuel Injection (MPI) Fuel Type: Unleaded gasoline Fuel Tank Capacity: 20.5 US gallons (77.6 Liters) 🔧 Transmission Standard Transmission Type Std: 42RE 4-Speed Automatic Optional Transmission Type Opt: NV3500 5-Speed Manual (Less common, primarily with 4.0L I6) Features Overdrive: Yes (4th gear) Transmission Fluid Spec Auto: ATF+4 (MS-9602) Transmission Fluid Spec Manual: Mopar Manual Transmission Lubricant or equivalent (e.g., SAE 75W-90 GL-5) 📐 Dimensions Exterior Length: 186.0 inches (4724 mm) Width: 74.5 inches (1892 mm) Height: 66.7 inches (1694 mm) Wheelbase: 116.0 inches (2946 mm) Interior Passenger Volume: 102.2 cu. ft. (2894 L) Cargo Cargo Volume Behind Rear Seat: 37.5 cu. ft. (1062 L) Cargo Volume Max: 77.5 cu. ft. (2195 L) Weights Curb Weight Min: 4,427 lbs (2008 kg) (4.0L I6) Curb Weight Max: 4,675 lbs (2121 kg) (4.7L V8) Gross Vehicle Weight Rating Gvwr: 5,750 lbs (2608 kg) Towing Capacity: Up to 5,000 lbs (2268 kg) with factory tow package 🛡️ Safety Features Ratings NHTSA Driver Front Impact: 4/5 Stars (2004 Model Year) NHTSA Passenger Front Impact: 4/5 Stars (2004 Model Year) Active Features ABS: Standard (4-wheel disc ABS) Traction Control: Optional Passive Features Airbags: Driver and front passenger airbags, available front side-impact airbags Seatbelts: 3-point seat belts with pretensioners 💡 Technology Features Infotainment Audio System: Optional Infinity Gold premium sound system with CD player, cassette, and AM/FM radio Navigation: Optional factory navigation system (rare) Driver Assistance Cruise Control: Standard Parking Assist: Optional rear parking assist sensors Connectivity Auxiliary Input: Typically no standard auxiliary input or USB ports; aftermarket solutions are common 🔧 Maintenance Service Intervals Oil Change Interval Gasoline: Every 3,000 - 7,500 miles (10W-30/5W-30 synthetic blend, depending on driving conditions and oil type) Transmission Fluid Service Interval Auto: Every 30,000 - 60,000 miles (check manual for specific conditions) Transfer Case Fluid Interval: Every 30,000 - 60,000 miles Coolant Flush Interval: Every 30,000 - 60,000 miles or 2-5 years Spark Plug Replacement 4.0L I6: Approximately 100,000 miles (Champion copper plugs typically) Spark Plug Replacement 4.7L V8: Approximately 100,000 miles (Champion platinum or iridium plugs typically) Fluid Specifications...