🏷️ Basic Information Identification Make: Jeep Model: Grand Cherokee Generation: WJ Model Year: 2002 Chassis Code: WJ Drivetrain: 4X4 (Four-wheel drive) Drive Layout: Left Hand Drive (LHD) Engine Options Covered: 4.0L I6, 4.7L V8 (based on typical WJ offerings) 👋 Introduction Market Position Segment: Mid-size luxury SUV, known for its off-road capability and comfortable ride. Competitive Analysis Competitors: Ford Explorer, Chevrolet Blazer, Toyota 4Runner, Nissan Pathfinder, Land Rover Discovery. Key Features Distinguishing Features: WJ generation offered significant upgrades in interior comfort, refinement, and on-road manners compared to its predecessor (ZJ), while retaining strong Jeep off-road DNA. Known for its distinctive upright grille and available powerful V8 engine. Target Audience Owner Profile: Enthusiasts and owners seeking detailed technical guidance for DIY maintenance and repairs, or professional mechanics working on the vehicle. 📋 Manual Details Coverage Areas Primary Coverage: Comprehensive service and repair for the 2002 Jeep Grand Cherokee WJ 4x4 (LHD) Specific Systems: Engine, Drivetrain, Transmission, Suspension, Brakes, Steering, Electrical, HVAC, Body, Chassis Page Count Estimated Pages: Over 1500 (typical for comprehensive service manuals of this era) Manual Type Type: Factory Service Manual (FSM) / Repair Manual Language Language: English Format Format: PDF 📖 Manual Coverage Systems Covered Powertrain: Engine mechanicals, fuel system, ignition system, cooling system, exhaust system, transmission (automatic and manual if applicable), transfer case, differentials (front and rear), drive shafts, axles. Chassis And Suspension: Front and rear suspension systems (e.g., Quadra-Coil, solid axle), steering system, hydraulic power steering, wheel alignment specifications, shock absorbers, springs, control arms, ball joints. Brakes: Front and rear brake systems (disc brakes), ABS (Anti-lock Braking System), parking brake, brake fluid specifications, hydraulic lines, caliper and rotor replacement, bleeding procedures. Electrical: Battery, charging system (alternator), starting system, lighting systems (headlights, taillights, interior), power accessories (windows, locks, mirrors), instrument cluster, wiring diagrams, fuse and relay locations, diagnostic trouble codes (DTCs). Comfort And Climate: HVAC (Heating, Ventilation, and Air Conditioning) system, A/C compressor, refrigerant, blower motor, climate control panels, heater core, cabin air filter replacement. Body And Interior: Body panels, doors, windows, mirrors, seats, interior trim, body sealant, rust prevention, paint codes, minor body repair procedures. Procedures Included Maintenance: Recommended maintenance schedules, oil change procedures, filter replacements (oil, air, fuel, cabin), fluid checks and top-offs (coolant, brake fluid, power steering fluid, transmission fluid, differential fluid). Troubleshooting: Diagnostic procedures for common drivability issues, electrical faults, starting problems, overheating, suspension noises, brake performance issues, utilizing diagnostic trouble codes (DTCs). Repair And Rebuild: Step-by-step instructions for component removal, installation, and overhaul of major systems like engines, transmissions, axles, brakes, steering components, and electrical modules. Diagnostics And Testing: Specific testing procedures for sensors, actuators, electronic control modules (ECMs/PCMs), fuel injectors, ignition coils, and other critical components. Includes use of diagnostic tools. Technical Depth Depth Of Coverage: Comprehensive from basic maintenance to major overhaul and rebuild procedures. Detailed diagnostic flowcharts and technical specifications for accurate repair. 📊 Manual Specifications File Format File Type: PDF Searchability: Likely text-searchable, enabling quick access to specific information. Print Quality Quality: High-resolution scans suitable for printing and clear viewing of diagrams and text. Binding Type Binding: N/A (Digital PDF format) Paper Type Paper Type: N/A (Digital PDF format) ⚙️ Engine Specifications Primary Engine Engine 1: 4.0L (242 cu in) Inline-6 'Power Tech' Engine 1 Specs: Overhead Valve (OHV), Sequential Electronic Fuel Injection (SEFI), ~195 horsepower @ 4600 rpm, ~230 lb-ft torque @ 3200 rpm. Engine 1 Cylinder Block: Cast Iron Engine 1 Cylinder Head: Aluminum Optional Engine Engine 2: 4.7L (287 cu in) V8 'Power Tech' Magnum Engine 2 Specs: Overhead Valve (OHV), Sequential Electronic Fuel Injection (SEFI), ~235 horsepower @ 4500 rpm, ~295 lb-ft torque @ 3200 rpm. Engine 2 Cylinder Block: Cast Iron Engine 2 Cylinder Head: Aluminum Fuel System Fuel Delivery: Multi-point fuel injection (MPI) for both engines. Performance Displacement Options: 4.0L, 4.7L 🔧 Transmission Standard Transmission 1: 42RE 4-speed Automatic Transmission (typically with 4.0L engine) Optional Transmission 2: 45RFE 4-speed Automatic Transmission (with higher torque capacity, typically with 4.7L engine) Features Transfer Case: NV242 Selec-Trac (full-time 4WD) or NV247 Quadra-Trac II (part-time 4WD with electronic front differential). Fluid Specs Automatic Transmission Fluid: ATF+4 (Mopar) 📐 Dimensions Exterior Wheelbase: 116.1 inches (2950 mm) Length: 181.5 inches (4610 mm) Width: 71.1 inches (1806 mm) Height: 66.7 inches (1694 mm) Weights Curb Weight: Approx. 4300-4600 lbs (1950-2087 kg), varies by engine and equipment. 🛡️ Safety Features Ratings NHTSA Front Driver Impact: Good (for 2002 model year, based on available data) NHTSA Front Passenger Impact: Good (for 2002 model year, based on available data) Active Features ABS: Standard, 4-wheel Anti-lock Braking System. Passive Features Airbags: Standard front driver and passenger airbags. Optional side airbags available on some trims. Seatbelts: Front seat pretensioners, three-point seat belts for all seating positions. 💡 Technology Features Infotainment Audio System: Factory AM/FM/CD player, optional Infinity Gold premium audio system with amplifier and...