🏷️ Basic Information Identification Make: Jeep Model: Grand Cherokee Year: 2002 Chassis Code: WJ 👋 Introduction Market Position Segment: Mid-size Luxury SUV Target Audience: Enthusiasts, DIY mechanics, professional technicians Competitive Analysis Key Competitors: Ford Explorer, Chevrolet Blazer, Toyota 4Runner, Land Rover Discovery Key Features Vehicle Distinguishing Features: Luxurious interior appointments, refined ride, capable off-road performance (for its class) Key Features Manual Manual Advantage: Most complete workshop manual available for the 2002 WJ Grand Cherokee, offering extensive coverage. 📋 Manual Details Coverage Areas Primary Coverage: Body, Chassis & Electrical Systems Diagnostic Coverage: Troubleshooting and repair procedures for all major systems Wiring Diagrams: Included, detailed electrical schematics Page Count Estimated Pages: 1500+ Manual Type Type: Service Shop Manual / Workshop Manual Language Language: English Format File Format: PDF 📖 Manual Coverage Systems Covered Engine Mechanical: Engine assembly, disassembly, internal components, cooling, lubrication Fuel System: Fuel delivery, injection, evaporative emissions Ignition System: Ignition timing, coil-on-plug systems, spark plugs Exhaust System: Catalytic converters, mufflers, exhaust manifold Transmission Automatic: 42RE, 45RFE, 545RFE - overhaul, diagnostics, shift control Transmission Manual: NV3500 (if applicable/optioned) - overhaul, diagnostics Drivetrain 4X4: NV242, NV247, NV244 transfer cases, front and rear drive shafts, differentials Suspension Front: Independent front suspension, control arms, steering knuckles, shocks, struts Suspension Rear: Multi-link solid axle, control arms, track bar, shocks Steering: Power steering system, steering gear, linkage, column Brakes Front: Disc brake system, calipers, rotors, pads Brakes Rear: Disc brake system (typically), calipers, rotors, pads ABS Esp: Anti-lock Braking System, Electronic Stability Program (if equipped), wheel speed sensors Body Exterior: Body panels, doors, hood, tailgate, bumpers, glass, seals Body Interior: Seats, trim panels, dashboard, headliner, HVAC controls HVAC: Heating, Ventilation, and Air Conditioning system, components, refrigerant handling Electrical Charging: Alternator, voltage regulator, battery Electrical Lighting Exterior: Headlights, taillights, turn signals, fog lights Electrical Lighting Interior: Dome lights, vanity lights, instrument cluster illumination Electrical Accessories: Power windows, power locks, power seats, mirrors, sunroof Audio Visual: Radio, speakers, amplifier (if equipped), navigation system (if equipped) Instrument Cluster: Gauges, warning lights, driver information center ECM PCM: Engine Control Module / Powertrain Control Module - diagnostics, reprogramming Security System: Immobilizer, factory alarm system Procedures Included Maintenance: Oil changes, filter replacements, fluid checks, tire rotation Troubleshooting: Diagnostic flowcharts, symptom analysis, common fault diagnosis Repair: Component removal and installation, component overhaul, adjustments Diagnostics: OBD-II system, diagnostic trouble codes (DTCs), sensor testing, actuator testing Specifications Torque: Detailed torque specifications for all critical fasteners Specifications Measurements: Dimensional specifications for critical components and alignments Wiring Repairs: Connector pinouts, splice locations, repair procedures for damaged wiring Technical Depth Depth: Comprehensive, from basic maintenance to complete engine and transmission rebuilds Diagnostics Complexity: Advanced diagnostic procedures requiring specialized tools and knowledge 📊 Manual Specifications File Format Compatibility: Windows XP, Vista, 7, 8, Linux, Mac Features: Fully bookmarked and searchable PDF Print Quality Quality Description: High-resolution, clear text and diagrams suitable for printing Binding Type Type: Digital (PDF) Paper Type Digital Format: N/A (Digital file) ⚙️ Engine Specifications Primary Engine Engine Option 1: 4.0L Inline 6-Cylinder (PowerTech) Engine Code 1: ERH Displacement 1: 3952 cc (241 cu in) Horsepower 1: 190 hp @ 4600 rpm Torque 1: 235 lb-ft @ 3200 rpm Engine Option 2 Engine Option 2: 4.7L V8 (High Output) Engine Code 2: EVC (HO) Displacement 2: 4701 cc (287 cu in) Horsepower 2: 235 hp @ 4750 rpm Torque 2: 295 lb-ft @ 3200 rpm Fuel System Fuel Delivery: Sequential Electronic Fuel Injection (SEFI) Fuel Type: Unleaded Gasoline Recommended Octane: 87 (91 for HO V8 recommended for optimal performance) 🔧 Transmission Standard Transmission Type Standard: 4-speed automatic (42RE with 4.0L, 45RFE/545RFE with 4.7L) Optional Transmission Type Optional: 5-speed manual (NV3500 - less common) Features Overdrive Gears: 4th Gear (Overdrive) on automatics Transmission Fluid Spec 42Re: ATF+4 (MS-9602) Transmission Fluid Spec 45Rfe 545Rfe: ATF+4 (MS-9602) 📐 Dimensions Exterior Length: 181.4 in (4608 mm) Width: 73.1 in (1857 mm) Height: 70.3 in (1786 mm) Wheelbase: 116.0 in (2946 mm) Weights Curb Weight Min: 4,230 lbs (1919 kg) Curb Weight Max: 4,640 lbs (2105 kg) Cargo Cargo Volume Behind 2Nd Row: 37.5 cu ft (1062 L) Cargo Volume Max: 73.6 cu ft (2084 L) 🛡️ Safety Features Ratings NHTSA Driver Front Impact: Not Rated (Vehicle specific data varies by testing year and methodology for this era) NHTSA Passenger Front Impact: Not Rated IIHS Driver Side Impact: Acceptable (for models with side airbags) Active Features ABS: Standard Traction Control: Available Electronic Stability Control: Available (ESP) Passive Features Airbags Front: Standard Airbags Side Curtain: Optional 💡 Technology Features Infotainment Audio Options: AM/FM stereo with cassette and CD player, optional premium sound system, optional Infinity speaker system Navigation: Optional factory navigation system available on select trims. Driver Assistance Cruise Control: Standard Rear Obstacle Detection: Optional (ParkSense) Connectivity Auxiliary Input: Not standard; aftermarket solutions may be available. Bluetooth: Not available from factory. 🔧...