🏷️ Basic Information Identification Make: Jeep Model: Grand Cherokee Product Type: Service and Repair Manual Codes Chassis Code: WJ Model Years Covered: 2002, 2003, 2004 👋 Introduction Market Position Vehicle Segment: Mid-size/Full-size SUV Target Audience: Jeep owners seeking to perform their own maintenance and repairs, independent repair shops, automotive technicians. Competitive Analysis Key Competitors: Ford Explorer, Chevrolet TrailBlazer/Blazer, Toyota 4Runner, Nissan Pathfinder, Land Rover Discovery. Key Features Vehicle Usp: Renowned off-road capability, comfortable ride for an SUV of its era, powerful engine options, spacious interior. Manual Value Proposition: Provides technicians and DIYers with the exact, detailed information required for accurate diagnosis and repair, saving time and money compared to generic guides. 📋 Manual Details Coverage Areas Coverage Scope: All models and all repairs A-Z Information Source: Vehicle-specific, dealership technician manual equivalent Page Count Estimated Page Count: Refer to actual product listing for precise page count; typically 1000+ pages for comprehensive service manuals. Manual Type Manual Type: Service and Repair Manual Language Language: English Format Format: Digital (likely PDF) or Printed 📖 Manual Coverage Systems Covered Engine Systems: Engine mechanical, lubrication, cooling, fuel, ignition, emissions, starting, charging, engine control module (ECM), diagnosis and testing. Transmission Systems: Automatic transmission (e.g., 42RE, 45RFE, 545RFE) service, repair, overhaul, diagnosis, and fluid specifications. Drivetrain Systems: Four-wheel drive (4WD) system, transfer case operation and service, propeller shafts, drive shafts, axles, differentials (front and rear), CV joints. Suspension Steering: Front and rear suspension components (e.g., control arms, ball joints, tie rod ends, shocks/struts, coil springs), steering gear, power steering system, alignment specifications. Braking Systems: Front and rear brake systems (disc/drum), anti-lock braking system (ABS), brake fluid specifications, hydraulic system diagnosis and repair, parking brake. Electrical Systems: 12-volt electrical system, battery, charging system, starting system, lighting, instrument panel, gauges, power windows, locks, mirrors, wipers, horns, wiring diagrams, fuse and relay information. Body Chassis: Body construction, exterior panels, doors, hood, tailgate, interior trim, HVAC system, heating, ventilation, air conditioning (A/C) system operation and service, chassis lubrication. Diagnostics Troubleshooting: Diagnostic trouble codes (DTCs), symptom-based troubleshooting, electrical diagnostic procedures, wiring schematics, component testing. Procedures Included Maintenance Procedures: Oil changes, filter replacements, fluid level checks and top-offs, spark plug replacement, belt inspection and replacement, brake pad/shoe replacement, tire rotation. Repair Procedures: Detailed step-by-step instructions for component removal, installation, overhaul, and adjustment for all major systems. Troubleshooting Guides: Systematic approaches to diagnosing and resolving common and complex mechanical and electrical faults. Specifications Data: Torque specifications for fasteners, fluid capacities, critical clearances, electrical resistance values, diagnostic parameters. Technical Depth Depth Of Coverage: Comprehensive; covers basic maintenance to complete engine and transmission rebuilds, advanced electrical diagnostics, and body repair. Diagnostics Capability: Includes specific diagnostic procedures, testing strategies, and interpretation of diagnostic trouble codes (DTCs). 📊 Manual Specifications File Format Digital File Type: Typically PDF with search functionality and bookmarking for easy navigation. Print Quality Print Quality Digital: High resolution, clear text and diagrams, suitable for printing individual pages or sections. Binding Type Binding Type Print: Likely coil-bound or spiral-bound for lay-flat usability in a workshop environment. Paper Type Paper Type Print: Durable, often heavyweight paper to withstand workshop conditions. ⚙️ Engine Specifications Primary Engine Engine Option 1: 4.0L (3956cc) I6 'PowerTech' Engine Option 1 Horsepower: Approx. 190-195 hp @ 4600 rpm Engine Option 1 Torque: Approx. 235 lb-ft @ 3200 rpm Engine Option 2: 4.7L (4701cc) V8 'PowerTech' Engine Option 2 Horsepower: Approx. 235-260 hp @ 4800-5200 rpm (depending on year/variant) Engine Option 2 Torque: Approx. 295-325 lb-ft @ 3200-3400 rpm (depending on year/variant) Performance Compression Ratio 4.0L: 8.75:1 Bore Stroke 4.0L: 3.875 in x 3.410 in (98.4 mm x 86.6 mm) Compression Ratio 4.7L: 9.3:1 Bore Stroke 4.7L: 3.70 in x 3.40 in (94.0 mm x 86.4 mm) Fuel System Fuel Delivery: Multi-port fuel injection (MPFI) Recommended Fuel: 87 octane unleaded gasoline (premium may provide slight performance benefit for 4.7L V8) 🔧 Transmission Standard Transmission Option 1: 4-speed Automatic 42RE (primarily with 4.0L I6 in earlier WJ models, though some may carry over) Transmission Option 2: 4-speed Automatic 45RFE (with 4.0L I6 in later WJ models) Optional Transmission Option 3: 5-speed Automatic 545RFE (primarily with 4.7L V8) Features Transfer Case: Selec-Trac (part-time 4WD with 2WD option) or Quadra-Drive (full-time 4WD with electronic limited-slip differentials). Transmission Fluid Spec 42Re: ATF+3 (or ATF+4) Transmission Fluid Spec 45Rfe: ATF+4 Transmission Fluid Spec 545Rfe: ATF+4 📐 Dimensions Exterior Wheelbase: 109.4 inches (2779 mm) Length: 183.7 inches (4666 mm) Width: 74.1 inches (1882 mm) Height: 66.9 inches (1699 mm) Interior Passenger Volume: Approx. 105.0 cubic feet (2973 L) Cargo Cargo Volume Behind 2Nd Row: Approx. 39.0 cubic feet (1104 L) Cargo Volume Max: Approx. 77.0 cubic feet (2180 L) Weights Curb Weight: Approx. 4,200 - 4,600 lbs (1905 - 2087 kg), varies by configuration. Towing Capacity: Up to 6,500 lbs (2948 kg) with proper equipment. 🛡️ Safety Features Ratings...