Powertrain:
Engine (2.5L I4), transmission (manual and automatic), transfer case, driveline, axles.
Chassis:
Suspension (front and rear), steering, brakes (front disc, rear drum), exhaust system.
Electrical:
Battery, charging system, starting system, ignition system, lighting, instruments and gauges, driver information systems, power accessories, wiring diagrams.
Body:
Body panels, doors, windows, seats, interior trim, exterior trim, bumpers, glass, HVAC system.
Comfort And Convenience:
HVAC system (heating, ventilation, air conditioning), power windows, power door locks, cruise control.
Routine Maintenance:
Oil and filter changes, fluid checks and top-offs, filter replacements, tune-ups.
Troubleshooting:
Diagnostic procedures for common drivability, electrical, and mechanical issues with step-by-step guidance.
Repair And Rebuild:
Detailed instructions for component removal, disassembly, inspection, repair, and reassembly (e.g., engine components, transmission overhaul, brake caliper replacement).
Specifications And Data:
Torque specifications, clearances, fluid capacities, diagnostic trouble codes (DTCs), wiring diagrams.
System Diagnostics:
Methods for diagnosing issues related to fuel delivery, ignition, emission control, cooling, and lubrication systems.
Fuel System Service:
Fuel pump testing, fuel injector cleaning and replacement, fuel filter replacement.
Cooling System Service:
Radiator testing and replacement, water pump replacement, thermostat replacement.
Depth Of Coverage:
Comprehensive, covering basic maintenance to major component overhauls and complex diagnostic procedures.
Diagnostic Tools Required:
Covers use of basic hand tools, specialized tools (e.g., spring compressors, bearing pullers), and potentially early OBD-I diagnostic scanners.
Engine Code:
2.5L (150 cu in) AMC I4
Engine Type:
Inline 4-Cylinder, Overhead Valve (OHV)
Engine Displacement Liters:
2.5L
Engine Displacement Cubic Inches:
150 cu in
Horsepower Approx:
123 hp @ 4600 RPM
Torque Approx:
183 lb-ft @ 2400 RPM
Fuel Delivery:
Multi-Point Fuel Injection (MPI)
Oil Type:
API SJ or better, SAE 10W-30
Coolant Type:
Ethylene Glycol based, permanent type (50/50 mix with distilled water)
Bore X Stroke:
4.00 x 3.00 inches (101.6 x 76.2 mm)
Spark Plug Gap:
0.035 inches (0.89 mm)
Oil Change:
Every 3,000 miles or 3 months, whichever comes first.
Air Filter Replacement:
Every 15,000 miles or 12 months.
Spark Plug Replacement:
Every 30,000 miles.
Coolant Flush:
Every 30,000 miles or 24 months.
Transmission Fluid Change Auto:
Every 30,000 miles or 24 months (under normal service).
Transmission Fluid Change Manual:
Every 60,000 miles or 48 months.
Power Steering Fluid:
ATF+3 (Type 7176) or Mopar Power Steering Fluid
Transfer Case Fluid:
ATF+3 (Type 7176) for NP231, NP242
Common Problems:
Radiator leaks, rust on unibody structure, rear main seal leaks, aging suspension components.
Engine Specific Issues 2.5L:
Head gasket failures, piston ring wear.
Transmission Specific Issues Aw4:
Solenoid failures, torque converter shudder.
Wheel Bolt Pattern:
5x4.5 inches (5x114.3 mm)
Tire Pressure Front Rear:
30 PSI (typical, check door jamb placard)
Jeep Legacy:
Continuation of Jeep's renowned off-road vehicle heritage.
Xj Generation:
Second generation of the XJ Cherokee, introduced in 1984.
Key Enhancements By 1993:
Refinements in engine management and NVH (Noise, Vibration, Harshness) reduction compared to earlier models.
Production Span:
1984-2001
Key Design Element:
Unibody construction, a significant innovation for SUVs at the time.
