Segment:
Compact SUV / Off-Road Vehicle
Brand Perception:
Rugged, Capable, Trail-Ready
Key Competitors:
Ford Bronco II, Chevrolet S-10 Blazer, Toyota 4Runner
Unibody Construction:
Revolutionary for its time, offering better on-road manners and reduced weight compared to body-on-frame rivals.
Off Road Capability:
Command-Trac (2WD/4WD Part-Time) and Selec-Trac (2WD/4WD Full-Time) 4x4 systems, good ground clearance, strong aftermarket support.
Powertrain:
Engine (4.0L I6, 2.5L I4), Transmission (AW4 Automatic, AX-15 Manual), Transfer Case (NP231, NP242), Axles (Dana 30 Front, Chrysler 8.25 Rear)
Chassis:
Suspension (Coil Spring Front, Leaf Spring Rear), Steering, Brakes (Front Disc, Rear Drum), Wheels and Tires
Electrical:
Engine Control Systems, Lighting, Instrumentation, Body Electrical, HVAC, Audio System, Power Accessories
Body:
Exterior Body Panels, Interior Trim, Doors, Glass, Seats, Bumpers
Maintenance:
Oil Changes, Filter Replacements, Fluid Checks and Top-offs, Spark Plug Replacement, Belt Inspection/Replacement
Diagnostics:
Troubleshooting Charts, Symptom-Based Diagnostics, OBD-I Code Interpretation
Repair:
Engine Overhaul, Transmission Rebuild, Suspension Component Replacement, Brake System Overhaul, Electrical Component Repair, Body Panel Repair
Specifications:
Torque Values, Clearances, Fluid Capacities, Electrical Schematics, Component Dimensions
Depth:
Comprehensive Factory Level (from basic maintenance to full engine/transmission rebuilds)
Engine 1 Code:
4.0L OHV V6 'High Output' (242 ci)
Engine 1 Displacement:
3956 cc (242 cubic inches)
Engine 1 Bore X Stroke:
3.875 in x 3.500 in (98.4 mm x 88.9 mm)
Engine 1 Compression Ratio:
8.8:1
Engine 1 Horsepower:
177 hp @ 4700 rpm
Engine 1 Torque:
220 lb-ft @ 3200 rpm
Engine 2 Code:
2.5L OHV I4 'Vortec' (150 ci)
Engine 2 Displacement:
2472 cc (150 cubic inches)
Engine 2 Horsepower:
125 hp @ 4600 rpm
Engine 2 Torque:
145 lb-ft @ 2400 rpm
Fuel Delivery:
Electronic Multi-Port Fuel Injection (MPI)
Fuel Type:
Unleaded Gasoline (87 Octane Recommended)
Ignition Type:
Distributorless Ignition System (DIS) on 4.0L, Conventional Distributor on 2.5L
Transmission 1 Code:
AW4 (Automatic 4-Speed)
Transmission 1 Features:
Electronically controlled, offers 'Power' and 'Comfort' modes.
Transmission 2 Code:
AX-15 (Manual 5-Speed)
Transmission 2 Clutch Type:
Hydraulic, single dry plate
Transfer Case 1:
New Process NP231 (Command-Trac - 2WD High, 4WD High, N, 4WD Low)
Transfer Case 2:
New Process NP242 (Selec-Trac - 2WD High, 4WD High, 4WD Part-Time High, N, 4WD Low)
NHTSA Side Impact Rating:
Not extensively tested by NHTSA for this model year.
ABS:
Optional, typically on higher trims or 4x4 models.
Airbags:
Driver-side airbag standard.
Seat Belts:
3-point front seat belts, 2-point rear seat belts.
Audio System:
Factory AM/FM stereo with cassette player. Optional CD player and premium speaker systems.
Instrument Cluster:
Analog gauges for speed, tachometer (optional), fuel, coolant temperature, oil pressure, voltmeter. Warning lamps for various systems.
Cruise Control:
Optional feature.
OBD Ii:
Not equipped with OBD-II. Uses OBD-I diagnostic port.
Oil Change Interval:
Every 3,000 - 5,000 miles or 3-6 months, depending on usage and oil type.
Engine Coolant Flush:
Every 30,000 miles or 2-3 years.
Transmission Fluid Change Automatic:
Every 30,000 - 60,000 miles, depending on severe vs. normal service.
Transmission Fluid Change Manual:
Every 60,000 - 100,000 miles.
Transfer Case Fluid Change:
Every 30,000 - 60,000 miles.
Differential Fluid Change Front:
Every 30,000 - 60,000 miles (depending on 4x4 usage).
Differential Fluid Change Rear:
Every 30,000 - 60,000 miles.
Engine Oil:
10W-30 or 10W-40 (API SG or higher)
Engine Coolant:
Chrysler Type A (Green) or Dex-Cool compatible (Orange) - consult manual for specific fill.
Automatic Transmission Fluid:
ATF+3 (Mopar) or equivalent DEXRON-III/MERCON
Manual Transmission Fluid:
GL-3 or GL-4 (75W-90 or 80W-90 gear oil) - check specific transmission type.
Transfer Case Fluid:
ATF+3 or equivalent DEXRON-III/MERCON
Front Axle Fluid:
GL-5 (80W-90 gear oil), SAE 75W-140 for towing or heavy use. Add friction modifier if LSD.
Rear Axle Fluid:
GL-5 (80W-90 gear oil), SAE 75W-140 for towing or heavy use. Add friction modifier if LSD.
Heater Core Leaks:
Common issue in XJ models, often requires dashboard removal for replacement.
Radiator Failure:
Plastic end tanks can become brittle and leak over time.
Headliner Sagging:
Adhesive failure causing the fabric to sag.
Eucalyptus Smell From Ac:
Often caused by a leaking heater core or mold in the HVAC system.
Rear Main Seal Leaks:
Can occur on higher mileage 4.0L engines.
Jeep Legacy:
Rooted in the Willys MB WWII Jeep, known for military and off-road prowess.
First Generation:
Introduced in 1984, replacing the CJ-7 as Jeep's primary compact utility vehicle.
Xj Unibody Design:
Pioneering unibody construction for an SUV, contributing to its lighter weight and improved handling.
1993 Updates:
Refinement of existing features, potential minor interior/exterior trim changes, continuation of popular engine options.
Production Period:
1984-2001
Manufacturing Locations:
Toledo, Ohio, USA
