🏷️ Basic Information Identification Make: Jeep Model: Grand Cherokee Years Covered: 1999-2004 Codes Platform: WJ 👋 Introduction Market Position Market Segment: Mid-size Luxury SUV Competitive Analysis Key Competitors: Ford Explorer, Chevrolet Blazer/TrailBlazer, Toyota 4Runner, Nissan Pathfinder, Land Rover Discovery. Key Features Platform Heritage: Based on the Mercedes-Benz M-Class (W163) platform, offering improved on-road refinement and handling compared to its predecessor. Powertrain Options: Available with robust inline-6 and V8 engine options, coupled with capable 4WD systems. Design Philosophy: Blended classic Jeep ruggedness with increased comfort, luxury, and modern styling. 📋 Manual Details Coverage Areas Coverage Breadth: Complete FSM (Factory Service Manual) equivalent Page Count Estimated Page Count: Over 2000 pages (typical for comprehensive FSM) Manual Type Manual Type: Workshop Manual / Service Manual / Repair Manual Language Language: English Format Format: PDF Download (Software Database Download implies searchable digital format) 📖 Manual Coverage Systems Covered Engine Service: Complete overhaul, diagnostics, repair of all engine variants, including timing, lubrication, cooling, fuel injection, and emissions control. Transmission Service: Detailed procedures for automatic transmissions (e.g., 42RE, 45RFE, 545RFE), including removal, installation, overhaul, hydraulic control, and electronic diagnostics. Drivetrain Service: Front and rear axle service, NV242/NV247 transfer case operation and repair, propeller shaft maintenance, CV joints, and differentials. Suspension Steering: Front and rear suspension systems (e.g., Quadra-Coil), steering gear, power steering system, wheel alignment specifications. Brake System: Front and rear brake component repair, hydraulic system diagnostics, ABS (Anti-lock Braking System) operation and troubleshooting. Electrical System: Complete wiring diagrams, component location, power distribution, charging system, starting system, lighting, instrumentation, body electronics, and diagnostics. HVAC System: Heating, ventilation, and air conditioning system diagnosis and repair, including refrigerant handling and component replacement. Body And Interior: Door mechanisms, glass, trim, seating systems, dashboard, and exterior body panel repair and alignment. Procedures Included Diagnostic Procedures: Systematic troubleshooting charts, diagnostic trouble codes (DTCs) explanation, and guided diagnostic steps for various systems. Maintenance Procedures: Scheduled maintenance tasks, fluid changes, filter replacements, lubrication points, and inspections. Repair Procedures: Step-by-step instructions for component removal, installation, and repair for all major vehicle systems. Torque Specifications: Detailed torque values for all fasteners, critical for ensuring proper assembly and preventing damage. Wiring Diagrams: Comprehensive, color-coded wiring schematics for all electrical circuits. Technical Depth Technical Depth: Covers everything from basic maintenance and fluid checks to complete engine and transmission rebuilds, advanced electrical diagnostics, and body repair. 📊 Manual Specifications File Format File Format: PDF (Portable Document Format) Print Quality Searchability: Searchable text for quick information retrieval. Resolution: High resolution for clear diagrams and text, suitable for printing. Binding Type Binding Type: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Option 1: 4.0L Inline-6 (PowerTech) Engine Code 1: AMC 242 Displacement 1: 3952 cc (242 cubic inches) Horsepower 1: 190-195 hp @ 4600 rpm (varies slightly by year) Torque 1: 235-235 lb-ft @ 3200 rpm (varies slightly by year) Fuel System 1: Multi-Point Fuel Injection (MPFI) Engine Block Material 1: Cast Iron Cylinder Head Material 1: Aluminum Valvetrain 1: Overhead Valve (OHV), 12 valves Optional Engine Engine Option 2: 4.7L V8 (Magnum) Engine Code 2: ECHO/LA Displacement 2: 4701 cc (287 cubic inches) Horsepower 2: 220-235 hp @ 4700-4800 rpm (varies by year and tune) Torque 2: 280-325 lb-ft @ 3200-3400 rpm (varies by year and tune) Fuel System 2: Multi-Point Fuel Injection (MPFI) Engine Block Material 2: Cast Iron Cylinder Head Material 2: Aluminum Valvetrain 2: Overhead Valve (OHV), 16 valves (2 per cylinder) Engine Option 3: 4.7L High Output V8 (Magnum) Horsepower 3: 255 hp @ 5200 rpm (later models) Torque 3: 325 lb-ft @ 3400 rpm (later models) 🔧 Transmission Standard Standard Transmission: 4-Speed Automatic Standard Transmission Model: 42RE (for 4.0L) Optional Optional Transmission Model: 45RFE / 545RFE (for 4.7L V8, 5-speed capability introduced later) Features Transfer Case Options: Part-time Command-Trac (NV242), Full-time Selec-Trac (NV242), Full-time Quadra-Trac II (NV247) with optional electronic limited-slip differential. Transmission Fluid Spec 42Re: ATF+3 (Mopar) Transmission Fluid Spec 45Rfe 545Rfe: ATF+4 (Mopar) 📐 Dimensions Exterior Length: 183.7 inches (4666 mm) Width: 73.3 inches (1862 mm) Height: 67.5 inches (1714 mm) Wheelbase: 116.0 inches (2946 mm) Front Track: 61.5 inches (1562 mm) Rear Track: 61.6 inches (1565 mm) Weights Curb Weight Approx: 4200-4600 lbs (1905-2087 kg) depending on engine and drivetrain Max Towing Capacity: Up to 5000 lbs (2268 kg) with proper equipment Gross Vehicle Weight Rating Gvwr Approx: 5700-6000 lbs (2585-2722 kg) 🛡️ Safety Features Ratings NHTSA Front Driver Side Impact: 4-star (1999-2000 models), 5-star (2001-2004 models) NHTSA Front Passenger Side Impact: 4-star (1999-2000 models), 5-star (2001-2004 models) IIHS Frontal Offset Crash: Good (varies by year) Active Features ABS: Standard Anti-lock Braking System (4-wheel disc brakes) Traction Control: Optional Passive Features Airbags Standard: Driver and front passenger airbags Airbags Optional: Available side-impact airbags (later models) Rollover Protection: Internal reinforcement and sway control systems....