🏷️ Basic Information Identification Make: Jeep Model: Grand Cherokee Year: 2002 Chassis Code: WJ Codes Platform: Jeep_WJ 👋 Introduction Market Position Segment: Mid-size Luxury SUV Positioning: The Jeep Grand Cherokee WJ represented a significant step forward in refinement and capability for Jeep, blending off-road prowess with a more comfortable and luxurious on-road experience, competing with vehicles like the Ford Explorer, Toyota 4Runner, and Chevrolet Blazer. Competitive Analysis Key Competitors 2002: Ford Explorer, Toyota 4Runner, Chevrolet Blazer, GMC Envoy, Nissan Pathfinder, Land Rover Discovery Key Features Defining Features: Available Quadra-Drive 4x4 system, luxurious interior options, robust towing capacity, strong off-road heritage 📋 Manual Details Coverage Areas Coverage: Complete Factory Service Repair Workshop Manual Page Count Page Count: Estimated 2000+ pages (typical for factory FSMs of this era) Manual Type Manual Type: Service Repair Workshop Manual Language Language: English Format Format: PDF (Downloadable) 📖 Manual Coverage Systems Covered Engine Systems: Engine mechanical, lubrication, cooling, fuel, ignition, emissions, diagnostics, PCM Transmission Drivetrain: Automatic transmission (42RE, 45RFE, 545RFE), transfer case (NV242, NV247), differentials, axles, drivelines, PTO Suspension Steering: Front and rear suspension (Solid axles, Quadra-Coil), steering system, power steering, alignment Brakes: Front and rear brakes (disc), ABS, Traction Control (TCS), brake system diagnostics and repair Electrical Electronics: Battery, charging system, starting system, lighting, interior and exterior electrical components, power accessories, instrument cluster, body control module (BCM), diagnostic connector (OBD-II) HVAC: Heating, ventilation, and air conditioning (HVAC) system, climate control Body Chassis: Body construction, exterior trim, interior trim, doors, windows, glass, seats, frame, chassis components Diagnostics: On-board diagnostics (OBD-II), diagnostic trouble codes (DTCs), troubleshooting flowcharts Procedures Included Maintenance Procedures: Oil changes, filter replacements, fluid checks and changes, tune-ups, belt and hose replacement, spark plug service, brake pad/rotor replacement, tire rotation Repair Procedures: Engine rebuilds, transmission overhaul, suspension component replacement, brake caliper/master cylinder replacement, electrical component repair, HVAC system repair Troubleshooting Procedures: System-specific diagnostic charts, symptom-based troubleshooting guides, electrical schematic interpretation Technical Specifications Procedures: Torque specifications, alignment procedures, diagnostic tool usage, component testing Technical Depth Depth: Comprehensive factory-level detail, suitable for professional technicians and advanced DIY enthusiasts. Covers everything from basic maintenance to complete overhauls and advanced diagnostics. 📊 Manual Specifications File Format File Format: PDF Print Quality Print Quality: High-resolution, searchable text and clear diagrams. Designed for printable output. Binding Type Binding Type: N/A (Digital PDF) Paper Type Paper Type: N/A (Digital PDF) ⚙️ Engine Specifications Primary Engine Engine 1: 4.0L (242 ci) I-6 'Power Tech' (Engine Code: ERH) Engine 2: 4.7L (285 ci) V8 'Power Tech' (Engine Code: EVA/EVL) Performance 4.0L Horsepower: 190 hp @ 4600 rpm (approx.) 4.0L Torque: 235 lb-ft @ 3200 rpm (approx.) 4.7L Horsepower: 235 hp @ 4800 rpm (approx.) 4.7L Torque: 295 lb-ft @ 3200 rpm (approx.) Fuel System Fuel Delivery System: Multi-port Fuel Injection (MPI) Recommended Fuel: 87 Octane Unleaded (4.0L), 89 Octane Recommended (4.7L V8) 🔧 Transmission Standard Transmission Std: 4-speed Automatic (42RE for 4.0L, 45RFE/545RFE for 4.7L) Optional Transmission Opt: None (All models equipped with automatic transmission) Features Transmission Features: Selectable 4WD (42RE/NV242), Permanent 4WD with lock (NV247, standard on higher trims/4.7L) Fluid Specs Transmission Fluid 42Re: ATF+4 (Chrysler Material Standard MS-9602) Transmission Fluid 45Rfe 545Rfe: ATF+4 (Chrysler Material Standard MS-9602) 📐 Dimensions Exterior Wheelbase: 116.0 inches Length: 185.4 inches Width: 73.3 inches Height: 67.5 inches Interior Seating Capacity: 5 passengers Cargo Cargo Volume Behind Rear Seat: 37.0 cubic feet (approx.) Cargo Volume Max: 74.5 cubic feet (approx.) Weights Curb Weight 4.0L: 4,193 lbs (approx.) Curb Weight 4.7L: 4,343 lbs (approx.) Towing Capacity: Up to 6,500 lbs (with optional towing package and appropriate engine/configuration) 🛡️ Safety Features Ratings NHTSA Rollover Resistance: 3 out of 5 stars (for 4x4 models) Active Features Active Safety Features: Four-wheel Anti-lock Brakes (4W-ABS), Traction Control System (TCS - available/standard on higher trims) Passive Features Passive Safety Features: Driver and front passenger airbags, front seat side airbags (optional), LATCH child seat anchor system, crumple zones, steel safety cage 💡 Technology Features Infotainment Infotainment Options: AM/FM/CD player, optional premium audio systems (Infinity), optional navigation system (rare) Driver Assistance Driver Assistance: ABS, Traction Control (TCS) Connectivity Connectivity Features: Power windows, power locks, cruise control, remote keyless entry (optional) 🔧 Maintenance Service Intervals Oil Change Interval: Every 5,000 to 7,500 miles or 6 months, whichever comes first (dependent on oil type and driving conditions) Transmission Fluid Change: Every 30,000 to 60,000 miles (depending on driving conditions and fluid type used) Coolant Change: Every 30,000 to 100,000 miles (depending on coolant type, often a 5-year interval for OAT) Spark Plug Replacement 4.0L: Typically every 100,000 miles with platinum-tipped plugs Spark Plug Replacement 4.7L: Typically every 100,000 miles with platinum-tipped plugs Fluid Specifications Engine Oil Type 4.0L: SAE 10W-30 or 10W-40 (check owner's manual for specific viscosity range based on temperature) Engine Oil Type 4.7L: SAE 5W-30 (preferred for cold starts and fuel economy) Coolant Type: Chrysler...