🏷️ Basic Information Identification Make: Jeep Model: Grand Cherokee Year: 2004 Codes Vehicle Platform: WJ 👋 Introduction Market Position Vehicle Segment: Mid-size Luxury SUV Competitive Analysis Key Competitors: Ford Explorer, Chevrolet TrailBlazer, Toyota 4Runner, Nissan Pathfinder Key Features Powertrain Options: Renowned 4.0L PowerTech I6 and the robust 4.7L Magnum V8 Drivetrain Options: Available 2WD and 4WD (Quadra-Trac II, Selec-Trac) Target Audience: Families, off-road enthusiasts, individuals seeking comfort and capability Manual Value Proposition Benefit To Owner: Empowers DIY repairs, saves money, enhances understanding of vehicle systems 📋 Manual Details Coverage Areas Primary Coverage: Complete Service and Repair Secondary Coverage: Maintenance, Diagnostics, Troubleshooting Page Count Estimated Pages: Extensive (specific count not provided, described as 'most complete') Manual Type Type: Service and Repair Manual Language Language: English Format File Format: PDF (Downloadable) 📖 Manual Coverage Systems Covered Engine Mechanical: 4.0L Inline-6, 4.7L V8 (Engine Systems, Engine Component Index) Powertrain Management: Fuel System, Ignition Control, Emissions Control Drivetrain: Differential & Driveline, Transmission and Transfer Case Chassis Suspension: Suspension, Steering, Tires/Wheels Braking System: Brakes Cooling System: Cooling Electrical Systems: Audio/Video, Chime/Buzzer, Electronic Control Modules, Heated Systems, Horn, Instrument Cluster, Lamps, Message Systems, Power Systems, Restraints, Speed Control, Vehicle Theft Security, Wipers/Washers, Wiring Body Exterior: Frame & Bumpers, Body Comfort Convenience: Heating & Air Conditioning Procedures Included Maintenance: Lubrication & Maintenance (Scheduled Services, Fluid Changes) Diagnostics: System Diagnosis, Troubleshooting Guides Repair: Component Removal, Installation, and Repair Technical Data: Specifications, Torque Values, Schematics, Diagrams Technical Depth Depth: Comprehensive (from basic maintenance to major component overhaul) 📊 Manual Specifications File Format File Type: PDF Print Quality Printability: All pages printable Binding Type Binding: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) Compatibility Operating Systems: All Versions of Windows & Mac Requirements Software Requirement: Adobe PDF Reader ⚙️ Engine Specifications Primary Engine Engine 1 Displacement: 4.0 Liters Engine 1 Type: SOHC V8 Magnum Engine 1 Configuration: Inline-6 Engine 1 Power Output: Approx. 195-205 hp (varies slightly by year/sub-model) Engine 1 Torque Output: Approx. 230-235 lb-ft Optional Engine Engine 2 Displacement: 4.7 Liters Engine 2 Type: SOHC V8 Magnum Engine 2 Configuration: V8 Engine 2 Power Output: Approx. 235-265 hp (varies slightly by year/sub-model) Engine 2 Torque Output: Approx. 295-330 lb-ft Fuel System Fuel Delivery: Sequential Multi-Port Fuel Injection (MPI) Emissions Emission Standards: Complies with EPA standards for the year 2004 🔧 Transmission Standard Transmission Type 40L: 45RFE 4-Speed Automatic Transmission Type 47L: 45RFE 4-Speed Automatic (later versions may use 545RFE 5-Speed Automatic) Features Transfer Case Options: Selec-Trac (2WD/4WD Full-Time) or Quadra-Trac II (Full-Time 4WD with Low Range) Fluid Specifications Automatic Transmission Fluid: ATF+4 (Mopar) 📐 Dimensions Exterior Wheelbase: 116.1 inches Length: 186.6 inches Width: 74.8 inches Height: 70.5 inches Weights Curb Weight Min: Approx. 4,268 lbs (for 4.0L 2WD) Curb Weight Max: Approx. 4,890 lbs (for 4.7L 4WD Overland) Towing Capacity: Up to 5,000 lbs (with optional towing package) 🛡️ Safety Features Ratings NHTSA Rollover Rating: 4/5 stars (for 2004) IIHS Crash Test Ratings: Good in front and side impact tests (specific ratings may vary by test configuration and year of report) Active Features ABS: Standard Anti-lock Braking System (ABS) Traction Control: Available Traction Control System (TCS) Passive Features Airbags: Standard Front Airbags, Available Front Side-Impact Airbags Seatbelts: Three-point front and rear seatbelts, Pretensioners 💡 Technology Features Infotainment Audio System: Factory AM/FM/CD/Cassette player, available premium Infinity sound system Navigation: Optional factory navigation system Driver Assistance Cruise Control: Standard Speed Control Connectivity Keyless Entry: Available Keyless Entry System 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 3,000-7,500 miles or 6 months, depending on oil type and driving conditions (refer to manual for specific recommendations). Tire Rotation Interval: Every 5,000-7,500 miles Coolant Flush Interval: Approximately every 30,000-60,000 miles or 2-5 years (refer to manual). Fluid Specifications Engine Oil Specification: SAE 5W-30 (recommended for most conditions, consult manual for specifics) Engine Coolant: Mopar OAT (Organic Acid Technology) Antifreeze/Coolant, HOAT is often acceptable as a substitute. Power Steering Fluid: ATF+4 or Mopar Power Steering Fluid Known Issues Common Failures Wj: Radiator leaks (plastic tanks cracking), Blend Door Actuator failure (HVAC), Minor Oil Leaks (valve cover, oil pan), Transfer case pump wear (Quadra-Trac II), Brake wear. Part Numbers Oil Filter Example: Mopar: MO-899 / Wix: 57899 / Fram: PH16 📚 Vehicle History Brand Heritage Jeep Legacy: Jeep has a storied history of producing rugged, capable off-road vehicles dating back to WWII. Model Evolution Wj Generation: The WJ Grand Cherokee, produced from 1999-2004, represented a significant step up in refinement and on-road comfort compared to its predecessors, while retaining Jeep's off-road prowess. This 2004 model is the final year of this generation. Production Manufacturing Location: Detroit, Michigan, USA 🏆 Awards & Recognition Recognitions Auto Press Reviews: The WJ Grand Cherokee was generally well-received by automotive journalists for its blend of luxury, capability, and interior space. Often praised for its refined ride and...