Segment:
Compact SUV / Off-Road Vehicle
Target Audience:
Adventure enthusiasts, off-roaders, families seeking a capable and durable vehicle.
Competitors:
Ford Bronco, Toyota 4Runner, Nissan Pathfinder, Chevrolet Blazer.
Platform:
Unibody construction, known for its rigidity and lighter weight compared to body-on-frame SUVs.
Powertrain Options:
Renowned 4.0L inline-six engine, capable 4WD systems (Selec-Trac, Command-Trac).
Durability:
Legendary off-road capability and robust construction contributing to long-term durability.
Engine:
All 1999 Jeep Cherokee XJ engine options, including the 4.0L (242 CID) I6 and 2.5L (150 CID) I4.
Transmission:
Service and repair for AX-5 manual transmission, NV3550 manual transmission, and 30/42R/42RE automatic transmission.
Drivetrain:
Front and rear axle service, transfer case (NP231, NP242), differentials, and driveshafts.
Suspension:
Front and rear suspension components, including coil springs, control arms, bushings, shock absorbers, and sway bars.
Brakes:
Front and rear brake systems (disc and drum), ABS operation and diagnosis, parking brake.
Steering:
Power steering system, steering gearbox, steering column, and tie rods.
Electrical:
Complete electrical system diagnosis, wiring diagrams, battery, charging system, starting system, lighting, instruments, and power accessories.
HVAC:
Heating, Ventilation, and Air Conditioning (HVAC) system service, diagnosis, and refrigerant handling.
Body:
Body and exterior trim, doors, windows, glass, interior trim, seats, and bumpers.
Cooling:
Radiator, cooling fan, water pump, thermostat, and heater core.
Fuel:
Fuel tank, fuel pump, fuel lines, fuel injectors, and evaporative emissions system.
Exhaust:
Exhaust manifold, catalytic converter, mufflers, and exhaust pipes.
Engine Control:
Engine control module (ECM) operation, sensor diagnosis, and emissions controls.
Maintenance:
Scheduled maintenance, fluid changes, filter replacements, lubrication.
Troubleshooting:
Diagnostic flowcharts and symptom-based troubleshooting for all major systems.
Repair:
Step-by-step repair instructions for component removal, disassembly, inspection, repair, and reassembly.
Diagnostics:
Detailed diagnostic procedures for engine, transmission, ABS, SRS, and other electronic systems.
Adjustments:
Specifications and procedures for adjustments such as idle speed, parking brake, and clutch.
Specifications:
Torque specifications, clearances, and critical measurements for all repair procedures.
Wiring Diagrams:
Comprehensive color-coded wiring diagrams for all vehicle electrical systems.
Special Tools:
Identification and usage instructions for special tools required for specific repairs.
Depth:
Factory-level detail, suitable for professional technicians and advanced DIY enthusiasts.
Scope:
Covers everything from routine maintenance and fluid checks to complete engine and transmission overhauls and complex electrical system diagnosis.
Oil Change Interval:
Every 5,000 miles or 6 months, whichever comes first (using recommended oil type).
Tire Rotation:
Every 5,000 - 7,500 miles
Coolant Flush:
Every 30,000 miles or 2-3 years
Transmission Fluid Change Auto:
Every 30,000 - 60,000 miles (depending on usage)
Engine Oil:
SAE 10W-30 or 10W-40 (check owner's manual for specific ambient temperature ranges); API Certified
Coolant:
50/50 mix of Mopar Antifreeze/Coolant (or equivalent HOAT coolant) and distilled water.
Common Issue 1:
Head gasket failure on 4.0L engine (especially older models, but can occur).
Common Issue 2:
Cracked cylinder heads on 4.0L (less common in later years).
Common Issue 3:
Water pump leaks.
Common Issue 4:
Oil filter adapter housing leaks.
Common Issue 5:
Door panel rust (lower sections).
Common Issue 6:
Power steering pump noise or leaks.
Common Issue 7:
U-joint wear on driveshafts.