🏷️ Basic Information Identification Make: Jeep Model: Grand Cherokee Model Code: WJ Production Years Covered: 1999-2004 Generation Generation Designation: Second Generation (WJ) Codes Chassis Code: WJ 👋 Introduction Market Position Segment: Mid-size Luxury SUV Competitive Analysis Key Competitors: Ford Explorer, Chevrolet Blazer, Toyota 4Runner, Nissan Pathfinder, Land Rover Discovery Key Features Unique Selling Points: Renowned Jeep off-road capability (especially with Quadra-Trac II), comfortable ride, luxurious interior for its time, powerful V8 engine option, availability of diesel engine in certain markets. 📋 Manual Details Coverage Areas Engine Options: 4.0L I6 (PowerTech), 4.7L V8 (PowerTech), 2.7L CRD Diesel Transmission Options: 42RE Automatic, 545RFE Automatic, NV242 Transfer Case, NV247 Transfer Case Key Systems Covered: Engine, Transmission, Drivetrain, Brakes, Suspension, Steering, Electrical, HVAC, Body, Emissions, Fuel System, Lubrication, Maintenance Page Count Estimated Pages: Extensive (typical for comprehensive workshop manuals, often 1000+ pages consolidated) Manual Type Type: Workshop/Service Repair Manual & Parts Manual Language Language: English Format Format: PDF 📖 Manual Coverage Systems Covered Powertrain: Detailed coverage of 4.0L I6, 4.7L V8, and 2.7L CRD Diesel engines including disassembly, inspection, assembly, torque specifications, and diagnosis. Covers lubrication, fuel delivery, ignition, cooling, exhaust, and emission control systems. Drivetrain: Comprehensive information on the 42RE and 545RFE automatic transmissions, including overhaul procedures, component identification, hydraulic circuits, and electronic controls. Detailed coverage of NV242 and NV247 transfer cases, including operation, maintenance, and repair of Quadra-Trac II and Selec-Trac systems. Chassis: In-depth coverage of braking systems (including ABS), steering systems (power steering, linkage), and suspension systems (front and rear solid axles, coil springs, shock absorbers, control arms, sway bars). Includes wheel alignment specifications. Electrical And Body: Detailed wiring diagrams, component location charts, diagnosis for electrical systems, lighting, power windows, power locks, power seats, HVAC system, airbags, restraint systems, security systems, and the Vehicle Information Message Center. Covers exterior and interior trim, bumpers, doors, glass, and body panels. Procedures Included Maintenance: Scheduled maintenance intervals, fluid level checks, fluid type recommendations (engine oil, transmission fluid, brake fluid, coolant, power steering fluid, differential fluid), filter replacement (oil, air, fuel, cabin), spark plug replacement, belt inspection and replacement, battery maintenance, and chassis lubrication. Repair: Step-by-step repair instructions for engine components (cylinder heads, pistons, crankshaft), transmission overhaul, transfer case repair, brake caliper/rotor replacement, suspension component replacement (ball joints, tie rod ends, control arms), steering gear repair, HVAC component replacement, and electrical module diagnosis and replacement. Diagnostics: Troubleshooting guides for common symptoms, diagnostic trouble codes (DTCs), procedures for using diagnostic tools, circuit testing, fuel system pressure testing, and emission system diagnostics. Technical Depth Level Of Detail: Comprehensive. Covers everything from basic fluid changes and component inspection to full engine and transmission rebuilds, including detailed specifications, diagrams, and torque values. 📊 Manual Specifications File Format Digital Format: PDF Print Quality Readability: High quality, ensuring clear text and legible diagrams. Binding Type Physical Format: Not applicable (Digital PDF) Paper Type Physical Format: Not applicable (Digital PDF) ⚙️ Engine Specifications Primary Engine 4.0L I6 Powertech: Displacement: 3952 cc (241 cu in), Bore x Stroke: 98.5 mm x 86.6 mm, Compression Ratio: 8.8:1, Horsepower: 190-195 hp @ 4400-4600 rpm, Torque: 235-250 lb-ft @ 3200-3500 rpm, Fuel System: Sequential Multi-Port Fuel Injection (MPI) Secondary Engine 4.7L V8 Powertech: Displacement: 4701 cc (287 cu in), Bore x Stroke: 93 mm x 86.6 mm, Compression Ratio: 9.3:1, Horsepower: 220-235 hp @ 4700-4800 rpm, Torque: 285-325 lb-ft @ 3200-3600 rpm, Fuel System: Sequential Multi-Port Fuel Injection (MPI) Diesel Engine 2.7L Crd Diesel (Mercedes-Benz Om664): Displacement: 2685 cc, Horsepower: ~163 hp, Torque: ~295 lb-ft, Fuel System: Common Rail Diesel Injection (CRDI) Performance 0-60 Mph: Approx. 8.0-9.5 seconds (depending on engine and configuration) Fuel System Injection Type: MPI for Petrol Engines, CRDI for Diesel 🔧 Transmission Standard 42Re Automatic: 3-speed automatic with overdrive, electronically controlled. Found in earlier models and with the 4.0L engine. Optional 545Rfe Automatic: 5-speed automatic with overdrive, electronically controlled. Introduced later, commonly paired with the 4.7L V8. Offers improved fuel economy and performance. Transfer Case Options Nv242 Selec-Trac: Full-time 4WD system with selectable 2WD, 4WD Full-Time, and 4WD Part-Time modes. Nv247 Quadra-Trac Ii: Full-time 4WD system with a Gerotor coupling for automatic torque transfer and a lockable center differential. Known for superior off-road traction. 📐 Dimensions Exterior Length: Approx. 183.7 inches (4666 mm) Width: Approx. 71.9 inches (1826 mm) Height: Approx. 66.1 inches (1679 mm) Wheelbase Wheelbase: Approx. 111.0 inches (2819 mm) Weights Curb Weight: Approx. 4200-4600 lbs (1905-2087 kg) 🛡️ Safety Features Ratings NHTSA Front Impact: 4-star driver, 4-star passenger (for earlier models, specific year testing varies) Active Features Braking System: Four-wheel disc brakes with optional Anti-lock Braking System (ABS). Passive Features Airbags: Standard front driver and passenger airbags. Side airbags were optional on later models. Restraints: Front and rear seat belts, available child seat anchors (LATCH system not standard until later models). 💡 Technology Features Infotainment Audio System: Factory premium...