Vehicle Segment:
Compact SUV / Off-road Vehicle
Jeep Brand Focus:
Iconic off-road capability and ruggedness
Key Competitors 2002:
Toyota Tacoma, Nissan Xterra, Ford Explorer (though often considered more refined)
Defining Characteristics:
Solid front axle, removable doors and top, high ground clearance, robust 4x4 system
Manual Value Proposition:
Enables owners and technicians to perform all maintenance, diagnostics, and repairs efficiently and accurately.
Engine Mechanical:
Detailed diagnostics, repair procedures, overhaul for all applicable engines
Engine Management:
Ignition system, fuel injection system, emission controls, sensors, actuators, ECU diagnostics
Transmission:
Manual and automatic transmission repair, clutch, driveline, transfer case servicing
Suspension:
Front and rear suspension systems, coil springs, shock absorbers, steering linkage
Brakes:
Hydraulic system, ABS (if equipped), brake pad/shoe replacement, rotor machining, caliper servicing
Electrical:
Wiring diagrams, fuse and relay identification, starter, alternator, battery, lighting systems, power windows, locks
Body And Frame:
Body panel repair, interior trim removal, doors, hood, tailgate, chassis diagnostics
HVAC:
Heating, ventilation, and air conditioning system repair, refrigerant handling, component replacement
Chassis:
Frame inspection and repair, exhaust system, fuel tank and lines
Routine Maintenance:
Oil changes, filter replacements, fluid checks, tire rotation, brake inspection
Diagnostic Troubleshooting:
Systematic diagnostic procedures for common and uncommon issues, fault code interpretation
Component Replacement:
Step-by-step instructions for replacing major and minor components
Rebuilding Procedures:
Detailed overhaul procedures for engines and transmissions
Specifications And Torques:
All necessary torque specifications, clearances, and measurements for repairs
Depth Of Coverage:
Comprehensive, from basic maintenance to complete engine and transmission rebuilds
Diagnostic Capability:
Advanced diagnostic techniques, including interpreting sensor data and trouble codes
Special Tools:
Identification of required special tools and their usage
Engine Code 2002:
42RLE (4-speed Automatic), NV3550 (5-speed Manual)
Engine Type:
Inline 6-cylinder, Overhead Valve (OHV)
Displacement 2002:
4.0 Liters (242 CID)
Horsepower 4.0L:
190 HP @ 4600 RPM
Torque 4.0L:
235 lb-ft @ 3200 RPM
Fuel Delivery:
Multi-point fuel injection (MPI)
Fuel Type:
Unleaded gasoline (87 octane recommended)
Standard Transmission Type:
5-Speed Manual Transmission (NV3550)
Optional Transmission Type:
4-Speed Automatic Transmission (42RLE)
Transfer Case:
Selec-Trac NV241OR / Command-Trac NV231 (specific to trim)
Clutch Type:
Hydraulically actuated diaphragm spring clutch (manual)
Manual Transmission Fluid:
AXS4500 (or equivalent spec: SAE 75W-90 GL-3)
Automatic Transmission Fluid:
ATF+4 (Mopar)
Wheelbase:
93.4 inches (2372 mm)
Overall Length:
150.5 inches (3823 mm)
Overall Width:
66.5 inches (1689 mm)
Overall Height:
71.5 inches (1816 mm)
Ground Clearance:
10.2 inches (259 mm)
Curb Weight Manual:
Approx. 3250 lbs (1474 kg)
Curb Weight Automatic:
Approx. 3350 lbs (1519 kg)
Gross Vehicle Weight Rating:
Approx. 4500 lbs (2041 kg)
Cargo Volume Behind Front Seats:
Approx. 40.0 cu ft (1.13 m³)
Cargo Volume Behind Rear Seats:
Approx. 15.0 cu ft (0.42 m³)
NHTSA Rollover Resistance:
3 Star (based on older testing protocols)
ABS:
Optional on 2002 models (typically 4-wheel disc with rear drum)
Four Wheel Drive:
Standard full-time 4WD or part-time 4WD system (depending on transfer case option)
Airbags:
Driver and front passenger airbags
Seatbelts:
Three-point front seat belts, lap belts for rear passengers
Audio System:
Factory AM/FM/CD player, optional Infinity sound system.
Connectivity Options:
Basic analog systems, no integrated Bluetooth or USB in stock form.
Traction Control:
Limited, primarily mechanical (e.g., limited-slip differential on some models) or ABS-based for early systems.
Oil Change Interval:
Every 3,000 - 5,000 miles (or 6 months) depending on driving conditions (refer to manual for exact)
Transmission Fluid Change Auto:
Every 30,000 - 60,000 miles (refer to manual)
Transmission Fluid Change Manual:
Every 50,000 - 100,000 miles (refer to manual)
Coolant Flush:
Every 30,000 miles or 3 years (refer to manual)
Engine Oil Type:
API SG or SH, SAE 10W-30 or 10W-40
Engine Oil Capacity:
6 Quarts (5.7 Liters) with filter
Coolant Type:
Mopar OAT (Orange) or equivalent HOAT coolant (50/50 mix)
Common Wear Items:
Clutch wear, exhaust manifold cracks, suspension bushings, water pump leaks
Potential Electrical Gremlins:
Can occur due to age and exposure to elements, often related to grounds or connectors.
Transfer Case Chain Stretch:
Can lead to whining noises and driveability issues in older models.
Jeep Legacy:
Direct lineage from WWII Willys MB Jeep, known for off-road prowess.
Tj Introduction:
Introduced in 1997 as a replacement for the YJ Wrangler, featuring coil springs for improved ride quality.
Tj Updates 2002:
2002 saw minor updates, continuing the established TJ platform.
Production Location:
Toledo, Ohio, USA
Tj Production Years:
1997-2006
