🏷️ Basic Information Identification Make: Jeep Model: Grand Cherokee Model Code: WJ Year: 2002 👋 Introduction Market Position Segment: Mid-size Luxury SUV Jeep Positioning: Jeep's flagship SUV offering a blend of luxury, off-road capability, and passenger comfort. Competitive Analysis Key Competitors 2002: Ford Explorer, Toyota 4Runner, Chevrolet Blazer, Nissan Pathfinder, Land Rover Discovery Key Features Off Road Capability: Renowned Jeep 4x4 systems (Quadra-Trac II, optional Quadra-Drive), solid rear axle, good ground clearance. Interior Comfort: Spacious cabin, available leather seating, premium sound systems, and a comfortable ride for its class. Powertrain Options: Choice of robust V8 engines or capable inline-6 engines, paired with durable automatic transmissions. 📋 Manual Details Coverage Areas Primary Focus: Repair and Service Target Audience: Professional Technicians and Experienced DIYers Page Count Estimated Pages: Approximately 2000+ Manual Type Type: Factory Service Manual (FSM) / Repair Manual Language Language: English Format Format: PDF (Digital Download) 📖 Manual Coverage Systems Covered Powertrain: Engine mechanical, fuel system, ignition system, cooling system, exhaust system, engine management (PCM/ECU) Transmission Drivetrain: Automatic transmission (42RE, 45RFE, 545RFE), transfer case (NV242, NV247), drive axles (front and rear), driveshafts, CV joints Suspension Steering: Front and rear suspension components, steering gear, power steering system, steering column Brakes: Front and rear disc brakes, anti-lock braking system (ABS), parking brake Electrical Electronics: Battery, charging system, starting system, lighting, instrument cluster, body control module (BCM), power accessories, power distribution, wiring diagrams, diagnostic connectors (OBD-II) HVAC: Heating, ventilation, and air conditioning system Body Chassis: Body panels, interior trim, glass, doors, hood, tailgate, chassis frame, bumpers Procedures Included Maintenance: Routine checks, fluid changes (oil, coolant, transmission fluid, brake fluid, power steering fluid), filter replacements, lubrication Diagnostics: Troubleshooting guides, symptom-based diagnostics, diagnostic trouble codes (DTCs), electrical system diagnostics, scan tool usage Repair: Component removal and installation, internal component repair (e.g., engine internals, transmission overhaul), bodywork repairs, electrical component replacement Specifications: Torque specifications, fluid capacities, diagnostic parameters, alignment specifications, dimensional data Technical Depth Depth: Comprehensive, covering everything from basic maintenance to complete engine and transmission overhauls, including in-depth electrical diagnostics and wiring diagrams. 📊 Manual Specifications File Format Quality: High-resolution PDF with searchable text for easy navigation and information retrieval. Searchability: Searchable text included. Print Quality Printability: Printable pages for convenience in a workshop environment. Binding Type Binding: N/A (Digital PDF) Paper Type Paper Type: N/A (Digital PDF) ⚙️ Engine Specifications Primary Engine Engine 1: 4.0L Inline-6 (PowerTech) Engine 1 Code: ERH Engine 2: 4.7L V8 (PowerTech) Engine 2 Code: EVC, EVM Performance Engine 1 Horsepower: 190 hp @ 4600 rpm Engine 1 Torque: 235 lb-ft @ 3200 rpm Engine 2 Horsepower: 235 hp @ 4700 rpm (HO: 260 hp @ 5000 rpm) Engine 2 Torque: 295 lb-ft @ 3200 rpm (HO: 325 lb-ft @ 3200 rpm) Fuel System Fuel Delivery: Sequential Multi-Port Fuel Injection (MPI) Recommended Fuel: 87 Octane Unleaded (91 Octane recommended for 4.7L HO) 🔧 Transmission Standard Standard Transmission: 4-speed Automatic (42RE for 4.0L, 45RFE for 4.7L) Optional Optional Transmission: 4-speed Automatic (545RFE for 4.7L HO models) Features Transfer Case Std: Selec-Trac NV242 (full-time 4WD with 2WD option) Transfer Case Opt: Quadra-Trac II NV247 (full-time 4WD with power transfer unit), Quadra-Drive (NV247 with electronic limited-slip differentials) 📐 Dimensions Exterior Length: 183.7 inches (4666 mm) Width: 72.1 inches (1831 mm) Height: 66.7 inches (1694 mm) Wheelbase: 109.0 inches (2769 mm) Interior Passenger Volume: Approximately 103.4 cu ft (2928 L) Cargo Cargo Volume Behind Rear Seat: Approximately 37.5 cu ft (1062 L) Cargo Volume Max: Approximately 74.5 cu ft (2109 L) Weights Curb Weight Std: Approximately 4,300 - 4,500 lbs (1950 - 2041 kg) Towing Capacity: Up to 5,000 lbs (2268 kg) with factory tow package 🛡️ Safety Features Ratings NHTSA Driver Front Impact: Four Stars NHTSA Passenger Front Impact: Four Stars Active Features ABS: Standard Anti-lock Braking System (ABS) Traction Control: Available Traction Control System (TCS) Passive Features Airbags: Driver and front passenger airbags, optional side-impact airbags 💡 Technology Features Infotainment Audio System: Available premium Infinity Gold sound system, CD player, cassette player, steering wheel audio controls. Navigation: Optional factory navigation system Driver Assistance Cruise Control: Standard cruise control Rear Parking Assist: Optional ParkSense rear parking assist system Connectivity OBD Ii Port: Standard OBD-II diagnostic port for engine and system scanning. 🔧 Maintenance Service Intervals Oil Change Interval: Every 5,000 - 7,500 miles or 6 months, whichever comes first (refer to manual for specific engine and oil type). Transmission Fluid Change: Every 30,000 - 60,000 miles, depending on driving conditions (refer to manual). Coolant Flush Interval: Every 30,000 - 50,000 miles or 2-3 years. Fluid Specifications Engine Oil Spec 4.0L: SAE 10W-30 API SJ or higher (e.g., Mopar 5W-30) Engine Oil Spec 4.7L: SAE 5W-30 API SL or higher (e.g., Mopar 5W-30) Transmission Fluid 42Re/45Rfe: ATF+4 (MS-9602) Transfer Case Fluid Nv242: ATF+4 (MS-9602) Transfer Case Fluid Nv247: Mopar NV247 Transfer Case Lubricant (or...
Torque specifications, fluid capacities, diagnostic parameters, alignment specifications, dimensional data
Technical Depth
Depth:
Comprehensive, covering everything from basic maintenance to complete engine and transmission overhauls, including in-depth electrical diagnostics and wiring diagrams.
📊 Manual Specifications
File Format
Quality:
High-resolution PDF with searchable text for easy navigation and information retrieval.
Searchability:
Searchable text included.
Print Quality
Printability:
Printable pages for convenience in a workshop environment.
Binding Type
Binding:
N/A (Digital PDF)
Paper Type
Paper Type:
N/A (Digital PDF)
⚙️ Engine Specifications
Primary Engine
Engine 1:
4.0L Inline-6 (PowerTech)
Engine 1 Code:
ERH
Engine 2:
4.7L V8 (PowerTech)
Engine 2 Code:
EVC, EVM
Performance
Engine 1 Horsepower:
190 hp @ 4600 rpm
Engine 1 Torque:
235 lb-ft @ 3200 rpm
Engine 2 Horsepower:
235 hp @ 4700 rpm (HO: 260 hp @ 5000 rpm)
Engine 2 Torque:
295 lb-ft @ 3200 rpm (HO: 325 lb-ft @ 3200 rpm)
Fuel System
Fuel Delivery:
Sequential Multi-Port Fuel Injection (MPI)
Recommended Fuel:
87 Octane Unleaded (91 Octane recommended for 4.7L HO)
🔧 Transmission
Standard
Standard Transmission:
4-speed Automatic (42RE for 4.0L, 45RFE for 4.7L)
Optional
Optional Transmission:
4-speed Automatic (545RFE for 4.7L HO models)
Features
Transfer Case Std:
Selec-Trac NV242 (full-time 4WD with 2WD option)
Transfer Case Opt:
Quadra-Trac II NV247 (full-time 4WD with power transfer unit), Quadra-Drive (NV247 with electronic limited-slip differentials)
📐 Dimensions
Exterior
Length:
183.7 inches (4666 mm)
Width:
72.1 inches (1831 mm)
Height:
66.7 inches (1694 mm)
Wheelbase:
109.0 inches (2769 mm)
Interior
Passenger Volume:
Approximately 103.4 cu ft (2928 L)
Cargo
Cargo Volume Behind Rear Seat:
Approximately 37.5 cu ft (1062 L)
Cargo Volume Max:
Approximately 74.5 cu ft (2109 L)
Weights
Curb Weight Std:
Approximately 4,300 - 4,500 lbs (1950 - 2041 kg)
Towing Capacity:
Up to 5,000 lbs (2268 kg) with factory tow package
🛡️ Safety Features
Ratings
NHTSA Driver Front Impact:
Four Stars
NHTSA Passenger Front Impact:
Four Stars
Active Features
ABS:
Standard Anti-lock Braking System (ABS)
Traction Control:
Available Traction Control System (TCS)
Passive Features
Airbags:
Driver and front passenger airbags, optional side-impact airbags
💡 Technology Features
Infotainment
Audio System:
Available premium Infinity Gold sound system, CD player, cassette player, steering wheel audio controls.
Navigation:
Optional factory navigation system
Driver Assistance
Cruise Control:
Standard cruise control
Rear Parking Assist:
Optional ParkSense rear parking assist system
Connectivity
OBD Ii Port:
Standard OBD-II diagnostic port for engine and system scanning.
🔧 Maintenance
Service Intervals
Oil Change Interval:
Every 5,000 - 7,500 miles or 6 months, whichever comes first (refer to manual for specific engine and oil type).
Transmission Fluid Change:
Every 30,000 - 60,000 miles, depending on driving conditions (refer to manual).
Coolant Flush Interval:
Every 30,000 - 50,000 miles or 2-3 years.
Fluid Specifications
Engine Oil Spec 4.0L:
SAE 10W-30 API SJ or higher (e.g., Mopar 5W-30)
Engine Oil Spec 4.7L:
SAE 5W-30 API SL or higher (e.g., Mopar 5W-30)
Transmission Fluid 42Re/45Rfe:
ATF+4 (MS-9602)
Transfer Case Fluid Nv242:
ATF+4 (MS-9602)
Transfer Case Fluid Nv247:
Mopar NV247 Transfer Case Lubricant (or equivalent) - Critical to use correct fluid!
Coolant Type:
Chrysler HOAT (Hybrid Organic Acid Technology) OAT 50/50 mix
Known Issues
Common Issue 1:
Heater Treater (blend door actuator failure in HVAC system)
Common Issue 2:
Front axle universal joints (U-joints) wear and noise
Common Issue 3:
Power steering pump leaks and whine
Common Issue 4:
Cracked exhaust manifolds (especially on the 4.7L V8)
Common Issue 5:
Transmission solenoid pack failure (leading to shifting issues)
📚 Vehicle History
Brand Heritage
Jeep Legacy:
Jeep's long-standing reputation for ruggedness, off-road prowess, and capability.
Model Evolution
Wj Generation Introduction:
The WJ Grand Cherokee debuted for the 1999 model year, replacing the ZJ. The 2002 model represents a mid-cycle refinement.
Wj Facelift Year:
2002 saw a significant refresh with updated styling, improved interior, and powertrain enhancements.
Production
Production Years Wj:
1999-2004
Assembly Location:
Jefferson North Assembly Plant, Detroit, Michigan, USA
🏆 Awards & Recognition
Recognitions
Off Road Awards:
Consistently recognized for its off-road capability and segment leadership by various automotive publications.
Ratings
Kbb Value Rating:
Generally strong resale value for its class, reflecting its popularity and durability.