Positioning:
        
        
            The 1989 Jeep Cherokee (XJ) was a highly capable and popular compact SUV, known for its ruggedness, off-road prowess, and unibody construction which provided a more car-like ride than traditional body-on-frame SUVs of the era. It competed with vehicles like the Ford Bronco II, Chevrolet S-10 Blazer, and Nissan Pathfinder.
        
     
    
    
        
            Comparison:
        
        
            The XJ's unibody design was revolutionary for its time, offering a lighter, stiffer chassis with better handling and fuel efficiency compared to its body-on-frame contemporaries. The available four-door body style also broadened its appeal beyond traditional Jeep buyers. Its strong inline-six engine options cemented its reputation for reliability and power.
        
     
    
    
        
            Vehicle Highlights:
        
        
            Compact SUV, unibody construction, excellent off-road capability (especially with Command-Trac 4x4), durable powertrains, relatively spacious interior for its size.
        
     
    
    
        
            Value:
        
        
            This manual is essential for owners who wish to maintain their 1989 Jeep XJ to a high standard, perform their own repairs, or understand the vehicle's systems in detail. It empowers owners to save on labor costs and ensure quality work.
        
     
 
    
    
    
        
            Engine:
        
        
            2.5L AMC I4, 4.0L AMC I6: diagnostics, repair, overhaul, component specifics.
        
     
    
        
            Transmission:
        
        
            AX4/AX4-N (Auto), BA/BA-10 (Auto), AX5 (Manual): repair, overhaul, adjustment, fluid specifications.
        
     
    
        
            Drivetrain:
        
        
            NP231/NP242 Transfer Case, Dana 30 Front Axle, Chrysler 8.25 Rear Axle (if applicable), AMC 20 Rear Axle (early XJs, though 1989 likely has Dana): service, repair, rebuilding, lubricant specifications.
        
     
    
        
            Suspension:
        
        
            Front Leaf Spring, Rear Leaf Spring: inspection, repair, component replacement, alignment specifications.
        
     
    
        
            Steering:
        
        
            Power Steering System: pump, gearbox, linkage, repair, fluid types.
        
     
    
        
            Brakes:
        
        
            Front Disc, Rear Drum (standard for 1989): hydraulic system, caliper/wheel cylinder rebuild, rotor/drum specifications, bleeding procedures.
        
     
    
        
            Electrical:
        
        
            Wiring diagrams, fuse/relay locations, component testing, charging system, starting system, lighting, accessories.
        
     
    
        
            Body:
        
        
            Interior and exterior trim, body panels, doors, latches, glass, weatherstripping, structural components.
        
     
    
        
            HVAC:
        
        
            Heating, Ventilation, and Air Conditioning systems: component testing, refrigerant handling (R12), repair.
        
     
    
        
            Fuel System:
        
        
            Fuel tank, pump, lines, injectors, throttle body, evaporative emissions (EVAP).
        
     
    
        
            Exhaust System:
        
        
            Manifold, catalytic converter, muffler, pipes: inspection and replacement.
        
     
    
    
        
            Maintenance:
        
        
            Oil changes, fluid checks, filter replacements, spark plug replacement, lubrication points.
        
     
    
        
            Diagnostics:
        
        
            Troubleshooting charts, symptom-based diagnostics, OBD-I diagnostic codes (if applicable to specific components).
        
     
    
        
            Repair:
        
        
            Step-by-step instructions for component replacement, rebuilds, and adjustments.
        
     
    
        
            Installation:
        
        
            Guidance for installing factory-specified accessories and replacement parts.
        
     
    
        
            Torque Specs:
        
        
            Detailed torque specifications for all critical fasteners.
        
     
    
        
            Special Tools:
        
        
            Identification and usage of specialized tools required for certain procedures.
        
     
    
    
        
            Depth:
        
        
            Comprehensive, covering everything from basic fluid changes to complete engine and transmission overhauls. Suitable for DIY enthusiasts and professional technicians.
        
     
 
    
    
    
        
            Engine 1:
        
        
            2.5L AMC I4 (150 cu in)
        
     
    
    
        
            Engine 1 Displacement:
        
        
            2.5 Liters (2464 cc)
        
     
    
        
            Engine 1 Bore X Stroke:
        
        
            3.875 in x 3.250 in (98.4 mm x 82.5 mm)
        
     
    
        
            Engine 1 Compression Ratio:
        
        
            8.8:1
        
     
    
        
            Engine 1 Horsepower:
        
        
            121 hp @ 4800 rpm
        
     
    
        
            Engine 1 Torque:
        
        
            170 lb-ft @ 2400 rpm
        
     
    
    
        
            Engine 2:
        
        
            4.0L AMC I6 (242 cu in)
        
     
    
    
        
            Engine 2 Displacement:
        
        
            4.0 Liters (3960 cc)
        
     
    
        
            Engine 2 Bore X Stroke:
        
        
            3.875 in x 3.410 in (98.4 mm x 86.6 mm)
        
     
    
        
            Engine 2 Compression Ratio:
        
        
            8.8:1
        
     
    
        
            Engine 2 Horsepower:
        
        
            173 hp @ 4700 rpm
        
     
    
        
            Engine 2 Torque:
        
        
            220 lb-ft @ 3200 rpm
        
     
    
    
        
            Fuel Delivery:
        
        
            Multi-point Fuel Injection (MPI) for both engines.
        
     
    
        
            Fuel Type:
        
        
            Unleaded Gasoline
        
     
    
        
            Ignition System:
        
        
            Distributorless Ignition System (DIS) for 4.0L, Distributor with Electronic Control for 2.5L.
        
     
 
    
    
    
        
            Transmission 1:
        
        
            AX4/AX4-N 3-speed Automatic (commonly with 2.5L I4)
        
     
    
    
        
            Transmission 2:
        
        
            BA/BA-10 4-speed Automatic (Peugeot transaxle, commonly with 4.0L I6)
        
     
    
        
            Transmission 3:
        
        
            AX5 5-speed Manual (commonly with 2.5L I4 and sometimes 4.0L I6)
        
     
    
    
        
            Transfer Case:
        
        
            NP231 (Command-Trac) 2-speed 4WD, NP242 (Selec-Trac) 2-speed 4WD with full-time option.
        
     
    
        
            Gear Ratios Manual Ax5:
        
        
            First: 3.90:1, Second: 2.15:1, Third: 1.42:1, Fourth: 1.00:1, Reverse: 4.10:1 (Typical ratios, may vary slightly).
        
     
    
    
        
            Automatic Fluid:
        
        
            ATF+3 (or equivalent like Dexron II/III for early versions)
        
     
    
        
            Manual Fluid:
        
        
            GL-3 or GL-4 75W-90 Gear Oil (check manual for specific grade)
        
     
 
    
    
    
        
            Length:
        
        
            167.1 in (4244 mm)
        
     
    
    
        
            Height:
        
        
            65.5 in (1664 mm)
        
     
    
        
            Wheelbase:
        
        
            103.4 in (2626 mm)
        
     
    
        
            Front Track:
        
        
            57.5 in (1460 mm)
        
     
    
        
            Rear Track:
        
        
            57.5 in (1460 mm)
        
     
    
    
        
            Curb Weight:
        
        
            Approx. 3,300 - 3,700 lbs (1497 - 1678 kg), depending on configuration.
        
     
    
        
            Gross Vehicle Weight Rating:
        
        
            Approx. 4,500 lbs (2041 kg)
        
     
    
    
        
            Cargo Volume Behind Rear Seat:
        
        
            Approx. 33 cu ft
        
     
    
        
            Cargo Volume With Rear Seat Folded:
        
        
            Approx. 69 cu ft
        
     
    
    
        
            Towing Capacity:
        
        
            Up to 2,000 lbs (907 kg) depending on engine and axle ratio.
        
     
 
    
    
    
        
            Oil Change Interval:
        
        
            Every 3,000 - 5,000 miles (5,000 - 8,000 km) or 6 months, whichever comes first. Check manual for specific oil type and capacity.
        
     
    
        
            Air Filter Replacement:
        
        
            Every 15,000 - 30,000 miles (24,000 - 48,000 km) or as needed based on driving conditions.
        
     
    
        
            Coolant Flush:
        
        
            Every 30,000 miles (48,000 km) or 2 years.
        
     
    
        
            Transmission Fluid Change:
        
        
            Every 30,000 - 60,000 miles (48,000 - 96,000 km), depending on usage.
        
     
    
    
        
            Engine Oil:
        
        
            API SG or SH classification. SAE 10W-30 or 10W-40 recommended. 2.5L I4: 5 Quarts (4.7L) with filter. 4.0L I6: 6 Quarts (5.7L) with filter.
        
     
    
        
            Coolant:
        
        
            Ethylene Glycol based coolant (typically green). 50/50 mix with distilled water. Capacity: Approx. 11.5 Quarts (10.9L).
        
     
    
        
            Brake Fluid:
        
        
            DOT 3 or DOT 4.
        
     
    
        
            Power Steering Fluid:
        
        
            ATF+3 or Mopar power steering fluid.
        
     
    
    
        
            Common Problems 1:
        
        
            Rusty floor pans, rocker panels, and unibody frame rails (critical structural areas).
        
     
    
        
            Common Problems 2:
        
        
            Cracked cylinder heads on early 4.0L (less common by '89, but possible).
        
     
    
        
            Common Problems 3:
        
        
            Leaking valve cover gaskets and oil pan gaskets.
        
     
    
        
            Common Problems 4:
        
        
            Worn leaf spring bushings and sway bar links due to age and use.
        
     
    
        
            Common Problems 5:
        
        
            Peeling clear coat and faded paint.
        
     
    
        
            Common Problems 6:
        
        
            Failure of the BA/BA-10 automatic transmission (Peugeot unit), often issues with torque converter or internal seals.
        
     
 
    
    
    
        
            Jeep Legacy:
        
        
            Jeep, a brand with roots in WWII military vehicles, has a long-standing reputation for off-road capability and ruggedness.
        
     
    
    
        
            Xj Introduction:
        
        
            The XJ Cherokee was introduced in 1984 as a revolutionary compact SUV, replacing the full-size SJ Cherokee and Wagoneer models in this segment. It was one of the first compact SUVs and pioneered the unibody construction for this vehicle type.
        
     
    
        
            Xj 1989 Updates:
        
        
            The 1989 model year saw refinements and potential minor feature updates, but the core design remained consistent with the early XJ generation. The 4.0L inline-six engine, introduced in 1987, was a significant improvement and became the dominant engine for the XJ.
        
     
    
    
        
            Production Years:
        
        
            1984-2001 (North America)
        
     
    
        
            Manufacturing Location:
        
        
            Primarily Toledo, Ohio, USA.