🏷️ Basic Information Identification Make: Jeep Model: Grand Cherokee Generation Code: WJ Model Years Covered: 1999, 2000, 2001, 2002, 2003, 2004 👋 Introduction Market Position Segment: Mid-size Luxury SUV Target Audience: Families, off-road enthusiasts, luxury vehicle buyers Competitive Analysis Key Competitors: Ford Explorer, Chevrolet Blazer/TrailBlazer, Toyota 4Runner, Nissan Pathfinder, Land Rover Discovery Key Features Powertrain Options: Robust inline-6 and V8 engines, capable 4WD systems Off Road Capability: Renowned Jeep off-road prowess with available Quadra-Drive system Interior Comfort: Luxurious appointments for its time, spacious cabin 📋 Manual Details Coverage Areas General Coverage: Comprehensive service, repair, and maintenance Page Count Estimated Page Count: 2000+ Manual Type Type: Factory Service Manual (WSM) / Repair Manual Language Language: English Format Format: Digital (likely PDF, based on industry commonality for this era) 📖 Manual Coverage Systems Covered Engine: 4.0L (1999-2004), 4.7L V8 (1999-2004), 4.7L HO V8 (2002-2004) Transmission: 42RE (4-speed automatic), 45RFE/545RFE (4-speed automatic) Drivetrain: NV242 (Selec-Trac), NV247 (Quadra-Drive), NV147 (Quadra-Trac I) transfer cases, Dana 30/35 front axles, Dana 44a rear axle Suspension And Steering: Front solid axle (early models), independent front suspension (IFS) with coil springs and track bars, rear solid axle with coil springs and track bars, steering gear, power steering system Brakes: Front disc (vented), rear disc, ABS, traction control systems Electrical System: Battery, charging system, starting system, lighting, instrument cluster, body control modules, infotainment, comfort controls, power accessories HVAC: Air conditioning, heating, climate control systems Body And Chassis: Body panels, frame, interior trim, glass, doors, liftgate Exhaust System: Exhaust manifolds, catalytic converters, mufflers, pipes Fuel System: Fuel tank, fuel pump, fuel injectors, fuel pressure regulator Cooling System: Radiator, water pump, thermostat, coolant passages Procedures Included Diagnostics: Diagnostic trouble codes (DTCs), component testing, troubleshooting flowcharts Maintenance: Scheduled maintenance, oil changes, fluid checks and replacements, filter replacements Repair: Component removal and installation, adjustments, alignments, component-specific repairs Overhaul And Rebuild: Engine overhaul, transmission rebuild, axle servicing Wiring Diagrams: Detailed electrical schematics for all systems Technical Depth Depth: Detailed specifications, step-by-step repair instructions, torque values, special tool requirements, diagnostic procedures 📊 Manual Specifications File Format File Type: PDF (Portable Document Format) - assumed Searchability: Likely text-searchable (if properly OCR'd) Printability: Printable pages for workshop use Print Quality Image Resolution: High-resolution diagrams and illustrations expected Binding Type Binding: N/A (Digital Format) Paper Type Paper Quality: N/A (Digital Format) ⚙️ Engine Specifications Primary Engine Engine 1 Variant: 4.0L 'Power Tech' Inline-6 Engine 1 Displacement: 3956 cc (242 cubic inches) Engine 1 Bore X Stroke: 3.875 x 3.562 inches (96 mm x 90.5 mm) Engine 1 Compression Ratio: 8.8:1 Engine 1 Horsepower: 185 hp @ 4600 rpm (approx.) Engine 1 Torque: 235 lb-ft @ 3200 rpm (approx.) Optional Engine 1 Engine 2 Variant: 4.7L 'Power Tech' V8 Engine 2 Displacement: 4701 cc (287 cubic inches) Engine 2 Bore X Stroke: 3.70 x 3.35 inches (94 mm x 85 mm) Engine 2 Compression Ratio: 8.7:1 (standard), 9.7:1 (HO) Engine 2 Horsepower: 235 hp @ 4750 rpm (standard), 260 hp @ 5200 rpm (HO) Engine 2 Torque: 325 lb-ft @ 3200 rpm (standard), 325 lb-ft @ 3800 rpm (HO) Fuel System Fuel Delivery: Sequential Multi-Port Fuel Injection (MPI) Recommended Fuel: 87 Octane Unleaded (standard 4.7L), 91 Octane Unleaded (recommended for HO 4.7L) Performance Engine Cooling: Pressurized liquid cooling system 🔧 Transmission Standard Standard Transmission: 42RE 4-Speed Automatic (with 4.0L engine) Optional Optional Transmission 1: 45RFE / 545RFE 4-Speed Automatic (with 4.7L V8 engines) Features Transmission Fluid Spec: ATF+4 (MS-9602) for 45RFE/545RFE; ATF+3 (MS-9224) for 42RE (consult manual for exact specs and potential upgrades) Transfer Case Options: Selec-Trac (NV242), Quadra-Trac I (NV147), Quadra-Drive (NV247) 📐 Dimensions Exterior Wheelbase: 116.7 inches (2964 mm) Length: 186.7 inches (4742 mm) Width: 73.1 inches (1857 mm) Height: 65.9 inches (1674 mm) Ground Clearance: Approx. 8.5 inches (216 mm) Weights Curb Weight: Approx. 4200-4600 lbs (1905-2087 kg) depending on configuration Towing Capacity: Up to 5,000 lbs (2268 kg) 🛡️ Safety Features Ratings NHTSA Driver Front Impact: 4/5 Stars (for models tested) NHTSA Passenger Front Impact: 4/5 Stars (for models tested) Active Features Traction Control: Available (e.g., Brake Traction Control for Quadra-Trac, Electronic Traction Control for Quadra-Drive) ABS: Standard Anti-lock Braking System Passive Features Airbags: Driver and passenger front airbags, optional side airbags Seatbelts: 3-point front and rear seat belts 💡 Technology Features Infotainment Audio System: Optional Infinity Gold premium audio system with CD player, cassette player, and AM/FM radio Navigation: Optional factory navigation system Driver Assistance Cruise Control: Standard Parking Assist: Optional rear parking assist sensors Connectivity Power Accessories: Power windows, power door locks, power mirrors Remote Keyless Entry: Available 🔧 Maintenance Service Intervals Oil Change Interval: Every 3,000-7,500 miles or 6-12 months (depending on oil type and driving conditions - consult manual) Engine Coolant Flush: Every 30,000-100,000 miles or 2-5 years (depending on coolant type - consult manual for specific interval) Transmission Fluid Change: Every...