🏷️ Basic Information Identification Make: Jeep Model: Grand Cherokee Generation: WJ Years Covered: 1999, 2000, 2001, 2002, 2003, 2004 Codes Chassis Code: WJ 👋 Introduction Market Position Segment: Mid-size Luxury SUV Usp: Combination of Jeep's renowned off-road capability with increased refinement and on-road comfort compared to previous generations. Competitive Analysis Key Competitors: Ford Explorer, Chevrolet Blazer/TrailBlazer, Toyota 4Runner, Nissan Pathfinder, Land Rover Discovery Key Features Design: Larger and more car-like than its predecessor (XJ Cherokee), featuring a unibody construction with integrated body-frame. Powertrain: Available with the robust 4.0L inline-six and the more powerful 4.7L V8 engines, offering a range of Jeep's famous 4x4 systems. Interior: Improved interior materials and design for a more premium feel compared to earlier Jeep models. 📋 Manual Details Coverage Areas Primary Coverage: Repair and Service Diagnostic Coverage: Troubleshooting and diagnostics for all major systems Page Count Estimated Page Count: Thousands (typical for comprehensive service manuals) Manual Type Type: Factory Repair Service Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine: 4.0L (Power Tech I6), 4.7L (Power Tech V8) engine overhaul, diagnostics, and repair Transmission: 42RE (4-speed automatic), 45RFE/545RFE (4-speed automatic) repair, service, and diagnostics Drivetrain: NV231/NV242 (transfer case), Dana 30, Dana 44 front axles, Chrysler 8.25 rear axle, service and overhaul Suspension: Front and rear suspension systems, steering, alignment, component replacement Brakes: Front and rear brake systems (disc), ABS, parking brake, hydraulics, component service Electrical: Wiring diagrams, charging system, starting system, lighting, instrumentation, power accessories, modules (PCM, BCM, etc.) HVAC: Heating, ventilation, and air conditioning system diagnosis and repair Body: Interior and exterior trim, doors, windows, glass, body panels, bumpers, seats Procedures Included Maintenance: Oil changes, filter replacements, fluid checks, tire rotation, spark plug replacement, brake pad replacement Repair: Engine rebuild, transmission overhaul, suspension component replacement, brake caliper replacement, radiator replacement Diagnostics: Troubleshooting guides, symptom-based diagnostics, OBD-II code interpretation, electrical circuit testing Specifications: Torque specifications, fluid capacities, clearances, diagnostic trouble codes (DTCs) Technical Depth Depth: Comprehensive: From basic scheduled maintenance to complete engine and transmission overhauls, including in-depth electrical diagnostics. 📊 Manual Specifications File Format Format: PDF Searchability: Searchable text for easy navigation and information retrieval Printability: Printable pages for offline use or referencing during repairs Print Quality Quality: High-resolution images, diagrams, and text for clarity Binding Type Type: Not Applicable (Digital Download) Paper Type Type: Not Applicable (Digital Download) ⚙️ Engine Specifications Primary Engine Engine 1: 4.0L 'Power Tech' Inline-6 Engine 1 Displacement: 3956 cc (241.5 cu in) Engine 1 Bore X Stroke: 98.5 mm x 86.7 mm (3.88 in x 3.41 in) Engine 1 Compression Ratio: 8.8:1 Engine 1 Horsepower: 190 hp @ 4600 rpm (approx.) Engine 1 Torque: 235 lb-ft @ 3200 rpm (approx.) Optional Engine Engine 2: 4.7L 'Power Tech' V8 Engine 2 Displacement: 4701 cc (286.8 cu in) Engine 2 Bore X Stroke: 93.0 mm x 86.7 mm (3.66 in x 3.41 in) Engine 2 Compression Ratio: 9.0:1 Engine 2 Horsepower: 220-235 hp @ 4700-4800 rpm (varies by year) Engine 2 Torque: 285-325 lb-ft @ 3200-3500 rpm (varies by year) Fuel System Fuel Delivery: Electronic Fuel Injection (MPI) Fuel Type: Unleaded gasoline 🔧 Transmission Standard Transmission Type: 4-speed automatic transmission Transmission Model 4 0L: 42RE Transmission Model 4 7L: 45RFE / 545RFE (later years adopted 5-speed, but typically referred to as 4-speed in documentation) Optional Optional Transmission: None (manual transmission not offered on WJ Grand Cherokee) Features Transfer Case Options: Selec-Trac (NV242), Quadra-Trac II (NV247), Quadra-Drive (NV247 with ELSD) Transmission Fluid Spec: ATF+4 (Mopar) 📐 Dimensions Exterior Wheelbase: 2885 mm (113.7 in) Length: 4655 mm (183.3 in) Width: 1839 mm (72.4 in) Height: 1755 mm (69.1 in) Ground Clearance: Approx. 200-210 mm (7.9-8.3 in) depending on suspension Weights Curb Weight: Approx. 1800-2000 kg (3968-4409 lbs) depending on configuration Gross Vehicle Weight Rating: Approx. 2500-2700 kg (5511-5952 lbs) 🛡️ Safety Features Ratings NHTSA Front Impact: 4 stars (driver and passenger) - 1999 model year IIHS Side Impact: Acceptable (older test, model year dependent) Active Features ABS: Standard Anti-lock Braking System (ABS) on all wheels Traction Control: Optional (often integrated with 4x4 systems or as a separate system) Electronic Stability Control: Optional on later models (ESP) Passive Features Airbags: Front airbags (driver and passenger), optional side curtain airbags on some later models Seat Belts: Three-point seat belts with pretensioners 💡 Technology Features Infotainment Audio System: AM/FM stereo with CD player, optional Infinity Gold premium audio system with amplifier and subwoofer. Navigation: Optional factory navigation system available on later models. Driver Assistance Parking Assist: Optional rear parking assist sensors on some models. Connectivity Cruise Control: Standard cruise control system. Remote Keyless Entry: Optional remote keyless entry system. 🔧 Maintenance Service Intervals Oil Change Interval: Every 3,000-7,500 miles (10W-30 or 5W-30 depending on climate and engine, refer to manual for specifics) Air Filter Replacement: Every 15,000-30,000 miles or as...