🏷️ Basic Information Identification Make: Jeep Model: Grand Cherokee Generation Code: WJ Production Years Covered: 2001, 2002, 2003, 2004 👋 Introduction Market Position Vehicle Segment: Mid-size Luxury SUV Competitive Analysis Key Competitors: Ford Explorer, Chevrolet Blazer, Toyota 4Runner, Nissan Pathfinder, BMW X5 (early models) Key Features Off Road Capability: Renowned Jeep off-road prowess, available 4x4 systems Luxury Appointments: Comfortable interior, premium trim levels, advanced features for its time Towing Capacity: Strong towing capabilities, particularly with V8 engine options 📋 Manual Details Coverage Areas Coverage Scope: Complete Workshop Service and Repair Page Count Estimated Pages: 2000+ Manual Type Type: Workshop Service and Repair Manual Language Language: English Format Format: Downloadable Digital Format (PDF) 📖 Manual Coverage Systems Covered Engine Mechanical: All Engine Types (4.0L I6, 4.7L V8) Engine Performance: Fuel injection, ignition, cooling, exhaust, emissions Transmission: Automatic Transmissions (42RE, 45RFE, 545RFE) Drivetrain: 4x4 System (Quadra-Trac II, NV247 Transfer Case), Driveshafts, Axles, Differentials Brakes: Hydraulic System, ABS, Parking Brake Suspension: Front and Rear Suspension, Steering System Electrical: Battery, Charging System, Starting System, Lighting, Wipers, Horn, Power Accessories Body: Body Panels, Doors, Windows, Seats, Interior Trim, Exterior Trim HVAC: Heating, Ventilation, Air Conditioning System Chassis Electrical: Instrumentation, Cruise Control, Security System Diagnostics: Diagnostic Trouble Codes (DTCs), Scan Tool Procedures, Wiring Diagrams Procedures Included Maintenance Procedures: Oil Changes, Filter Replacements, Fluid Checks/Changes, Tune-ups, Belt/Hose Replacement Repair Procedures: Engine rebuilds, transmission overhauls, brake component replacement, suspension component replacement, electrical system troubleshooting and repair Troubleshooting Guides: Diagnostic flowcharts for common problems, symptom-based troubleshooting Component Replacement: Step-by-step instructions for replacing major and minor components Specifications: Torque specifications, clearances, fluid capacities, electrical specifications Wiring Diagrams: Comprehensive electrical system schematics for all circuits Exploded Views: Detailed diagrams of component assemblies Technical Depth Depth Of Coverage: Comprehensive, from basic maintenance to complete engine and transmission rebuilds Diagnostic Capability: Advanced diagnostics including DTC interpretation and related troubleshooting Level Of Detail: Detailed step-by-step instructions with accompanying diagrams and illustrations 📊 Manual Specifications File Format Digital Format: PDF Print Quality Readability: High-resolution scans for clear text and images Binding Type Binding: Not Applicable (Digital Download) Paper Type Paper Type: Not Applicable (Digital Download) Searchability Text Search: Searchable PDF for quick information retrieval Accessibility Device Compatibility: Viewable on computers, tablets, and smartphones ⚙️ Engine Specifications Primary Engine Engine 1 Name: 4.0L Inline-6 (PowerTech) Engine 1 Displacement: 3956 cc Engine 1 Horsepower: 190 hp @ 4600 rpm (approx.) Engine 1 Torque: 235 lb-ft @ 3200 rpm (approx.) Engine 1 Block Material: Cast Iron Engine 1 Head Material: Aluminum Engine 1 Bore X Stroke: 3.88 x 3.41 in (98.5 x 86.6 mm) Engine 1 Compression Ratio: 8.8:1 Engine 1 Firing Order: 1-5-3-6-2-4 Secondary Engine Engine 2 Name: 4.7L V8 (PowerTech) Engine 2 Displacement: 4701 cc Engine 2 Horsepower: 235 hp @ 4500 rpm (2001-2002), 230 hp @ 4600 rpm (2003-2004) (approx.) Engine 2 Torque: 300 lb-ft @ 3200 rpm (2001-2002), 325 lb-ft @ 3200 rpm (2003-2004) (approx.) Engine 2 Block Material: Aluminum Engine 2 Head Material: Aluminum Engine 2 Bore X Stroke: 3.88 x 3.31 in (98.5 x 84.1 mm) Engine 2 Compression Ratio: 8.7:1 Engine 2 Firing Order: 1-8-4-3-6-5-7-2 Fuel System Fuel Delivery: Electronic Multi-Port Fuel Injection (MPI) Recommended Fuel: 87 Octane Unleaded (4.0L I6), 89 Octane Unleaded (4.7L V8 recommended) 🔧 Transmission Standard Transmission Type: 4-Speed Automatic Transmission Model 4 0L: 42RE Transmission Model 4 7L: 45RFE / 545RFE Optional Optional Transmission: None (Automatic only for WJ generation) Features Transfer Case Options: Quadra-Trac II (NV247), Selec-Trac (NV242 for some early models/trims) Transmission Fluid Type: ATF+4 (MS-9602) Transmission Fluid Capacity 42Re: 8.4 US quarts (7.9 Liters) Transmission Fluid Capacity 45Rfe 545Rfe: 9.7 US quarts (9.2 Liters) 📐 Dimensions Exterior Wheelbase: 116.0 inches (2946 mm) Length: 184.6 inches (4689 mm) Width: 73.0 inches (1854 mm) Height: 67.0 inches (1702 mm) Ground Clearance: 8.7 inches (221 mm) (typical) Approach Angle: 38.1 degrees (approx.) Departure Angle: 28.8 degrees (approx.) Breakover Angle: 21.3 degrees (approx.) Weights Curb Weight 4 0L: 4350 lbs (1973 kg) (approx.) Curb Weight 4 7L: 4500 lbs (2041 kg) (approx.) Gross Vehicle Weight Rating Gvwr: 5700-6000 lbs (2585-2722 kg) (varies by configuration) Towing Capacity: Up to 6,500 lbs (2948 kg) with factory tow package Payload Capacity: Approx. 1300-1500 lbs (590-680 kg) Wheel Bolt Pattern: 5 x 114.3 mm (5 x 4.5 in) Wheel Size: 16-inch, 17-inch, 18-inch (depending on trim and options) Tire Sizes: P225/75R16, P235/65R17, P245/65R17, P255/55R18 (common) 🛡️ Safety Features Ratings NHTSA Front Crash Test: 4 stars (driver), 4 stars (passenger) for 2001-2004 models NHTSA Side Impact Front: 4 stars (driver), 5 stars (passenger) for 2001-2004 models NHTSA Rollover Rating: 3 stars (20% chance of rollover) Active Features Antilock Brakes ABS: Standard on all models Traction Control: Available (some models/trims) Electronic Stability Control Esc: Available on later models (often tied to 4.7L V8) Passive Features Airbags Front: Driver and front passenger airbags Airbags...