Reputation:
Known for its ruggedness, off-road capability, and relatively simple mechanicals, making it a popular choice for enthusiasts.
Competitors:
Ford Bronco II, Chevrolet S-10 Blazer, Toyota 4Runner, Nissan Pathfinder.
Unibody Construction:
One of the first SUVs to utilize unibody construction, contributing to a lighter weight and more car-like ride compared to body-on-frame rivals.
Off Road Capability:
Offered with robust 4x4 systems and good ground clearance.
Versatility:
Suitable for daily commuting as well as off-road adventures.
Engine:
2.5L AMC I4, 4.0L AMC I6, 2.1L Renault Turbo Diesel (early models)
Transmission:
Manual (AX4, AX5), Automatic (AW4, Aisin Warner)
Drivetrain:
4x4 (Command-Trac, Selec-Trac), 2WD configurations, Differentials (Dana 30, Chrysler 8.25, AMC 20), Transfer Cases (NP207, NP231)
Suspension:
Leaf Spring rear, Coil Spring front (Rubicon Express, Old Man Emu kits often referenced in aftermarket but factory specs are key)
Brakes:
Front Disc, Rear Drum (early), Rear Disc (later models) ABS systems
Steering:
Power Steering system, Steering Column
Electrical:
Wiring Diagrams, Starting and Charging System, Ignition System, Lighting, Instruments, Accessories, ECU/PCM
Body:
Body Panels, Doors, Windows, Interior Trim, HVAC System
Fuel System:
Fuel Pump, Injectors, Lines, Tank, Emissions Control
Cooling System:
Radiator, Water Pump, Thermostat, Cooling Fan
Maintenance:
Routine maintenance, oil changes, filter replacements, fluid checks, tune-ups.
Troubleshooting:
Diagnostic procedures, symptom-based troubleshooting charts, electrical diagnostics.
Repair:
Engine disassembly and reassembly, transmission overhaul, brake component replacement, suspension and steering repair, electrical component repair.
Installation:
Component installation, accessory installation, diagnostic tool usage.
Specifications:
Torque specifications, clearances, fluid capacities, electrical resistance values.
Technical Service Bulletins:
Inclusion of TSBs relevant to the covered years.
Recall Information:
Inclusion of recall campaigns relevant to the covered years.
Depth:
Comprehensive, covering from basic maintenance to full engine and transmission rebuilds.
Illustrations:
Detailed diagrams and illustrations for clarity.
Diagnostic Charts:
Includes specific diagnostic procedures and flowcharts.
Transmission 1:
AX-4 (4-speed manual, early years, 4-cyl engine)
Transmission 2:
AX-5 (5-speed manual, common on 4-cyl and some 6-cyl)
Transmission 3:
AW4 (4-speed automatic by Aisin Warner)
Aw4 Features:
Electronic control, overdrive, often paired with Selec-Trac 4x4.
Transfer Cases:
New Process NP207 (full-time 4WD with 2WD option, 1984-1989), NP231 (part-time 4WD, Command-Trac, 1990-1993).
Crash Test Results:
NCAP/IIHS data from this era is limited, but generally considered robust for its class, though side impact protection was less advanced than modern vehicles.
ABS:
Available on later models (typically rear-wheel ABS, later front and rear ABS).
Seat Belts:
Front and rear seat belts, shoulder belts.
Airbags:
Driver-side airbag became standard starting in 1994 model year, so not present in the 1984-1993 range covered by this manual.
Audio System:
Basic AM/FM radio, cassette player, optional CD player on later models. Aftermarket upgrades are very common.
Features:
Limited by modern standards. Primarily focused on basic vehicle operation rather than electronic aids.
Features:
None (no factory Bluetooth, USB, etc. The manual will cover factory radio wiring, not modern connectivity).
Oil Change Interval:
Typically every 3,000 miles or 3 months, though synthetic oils can extend this (refer to manual for specific recommendations).
Transmission Fluid Change:
Every 30,000-60,000 miles depending on usage (refer to manual).
Coolant Change:
Every 2 years or 30,000 miles.
Engine Oil:
Refer to manual for specific viscosity grade (e.g., 10W-30 or 10W-40 for 4.0L, check manual for 2.5L and diesel).
Transmission Fluid:
ATF+3 or ATF+4 for AW4 automatic; Manual transmission fluid for AX4/AX5 (GL-3 or GL-4).
Coolant:
Conventional green ethylene glycol based coolant (50/50 mix with distilled water).
Rust:
Common on floor pans, rocker panels, rear quarters, and unibody frame rails.
4.0L Engine Issues:
Cracked cylinder heads (later models), piston slap, oil filter adapter O-ring leaks.
Electrical Gremlins:
Can be prone to gremlins due to age, particularly intermittent issues with grounds, relays, and sensors.
Suspension Wear:
Leaf springs sag, worn bushings in control arms and track bars.
Jeep Legacy:
Jeep has a long history of producing rugged, capable off-road vehicles, originating with the WWII Willys MB.
Xj Introduction:
Introduced in 1984 as a replacement for the Jeep CJ-5 and Cherokee SJ. It was a pioneering compact SUV.
Key Redesigns:
Significant facelift in 1991 (new front fascia, interior, and improved 4.0L engine). Early models featured the Renault diesel and were generally less refined.
Manufacturing Location:
USA (e.g., Toledo, Ohio)
Production End Year:
The XJ generation was produced until 2001 globally, but this manual specifically covers up to the 1993 model year for the US market.
