Vehicle Segment:
Compact SUV / Off-Road Vehicle
Target Audience For Manual:
DIY mechanics, automotive technicians, Jeep enthusiasts
Manual Value Proposition:
Provides comprehensive, manufacturer-level repair information essential for maintaining and repairing the 1999 Jeep Cherokee XJ, often exceeding the scope of generic repair guides.
Manual Strengths:
Covers all engine and model variants for the specified year, detailed diagnostic procedures, clear technical diagrams, step-by-step repair instructions.
Powertrain:
Engine (4.0L I6, 2.5L I4), Transmission (42RE, NV3550), Transfer Case (NP231J, NP242J), Drivetrain (Axles, Driveshafts, Differentials)
Chassis:
Suspension (Front Solid Axle, Rear Leaf Springs), Steering (Power Steering System), Brakes (Front Disc, Rear Drum/Disc, ABS)
Electrical:
Engine Control Module (ECM), Ignition System, Charging System, Starting System, Lighting, Instrumentation, Power Accessories, Body Control Module (BCM), Powertrain Control Module (PCM), Diagnostic Trouble Codes (DTCs)
Body:
Exterior Body Panels, Doors, Glass, Interior Trim, Seats, HVAC System, Body Sealing
Maintenance:
Routine Service, Oil Changes, Filter Replacements, Fluid Level Checks, Tire Rotation, Spark Plug Replacement
Repair:
Engine Overhaul, Transmission Repair/Rebuild, Brake System Repair, Suspension Component Replacement, Electrical System Troubleshooting, HVAC System Repair, Body Panel Repair
Diagnostics:
Troubleshooting Guides, Symptom-Based Diagnostics, Diagnostic Trouble Code (DTC) Interpretation, Wiring Diagrams, Component Testing
Technical Data:
Specifications, Tolerances, Torque Values, Electrical Schematics, Component Identification
Depth:
Comprehensive from basic maintenance to full component rebuilds and advanced diagnostics
Engine 1:
4.0L OHV I6 (High Output)
Engine 2:
2.5L OHV I4 (AMC 150)
4.0L Horsepower:
Approx. 190 hp @ 4600 rpm
4.0L Torque:
Approx. 235 lb-ft @ 3200 rpm
2.5L Horsepower:
Approx. 125 hp @ 4700 rpm
2.5L Torque:
Approx. 150 lb-ft @ 2500 rpm
Fuel Delivery:
Multi-port Fuel Injection (MPI)
Ignition System:
Distributorless Ignition System (DIS) with Coil-on-Plug for 4.0L, Distributor with Ignition Coil for 2.5L
Coolant Type:
Chrysler HOAT (Hybrid Organic Acid Technology) - typically a green coolant (check specific manual for exact specification like MS-9769)
4.0L Oil Capacity:
5 US quarts (4.7 Liters) with filter
4.0L Oil Viscosity:
10W-30 (preferred for most climates), 5W-30 (for very cold climates)
2.5L Oil Capacity:
5 US quarts (4.7 Liters) with filter
2.5L Oil Viscosity:
10W-30 (preferred for most climates), 5W-30 (for very cold climates)
Transmission Type Auto:
42RE 4-Speed Automatic
Transmission Type Manual:
NV3550 5-Speed Manual
Transmission Fluid 42Re:
ATF+4 (Mopar P/N 05013457AA or equivalent, check manual for exact specification like MS-9602)
Transmission Fluid Nv3550:
Standard Manual Transmission Fluid (API GL-3 or GL-4) - typically SAE 75W-90
Transfer Case 1:
New Process NP231J Command-Trac (Part-Time 2WD/4WD)
Transfer Case 2:
New Process NP242J Selec-Trac (Full-Time 2WD/4WD)
Transfer Case Fluid Spec:
ATF+4 (Mopar P/N 05013457AA or equivalent, check manual for exact specification like MS-9602)
Wheelbase:
Approx. 103.4 inches (2626 mm)
Length:
Approx. 167.5 - 177.1 inches (4255 - 4498 mm) depending on configuration
Width:
Approx. 70.2 inches (1783 mm)
Height:
Approx. 64.7 inches (1643 mm)
Curb Weight:
Approx. 3300 - 3700 lbs (1497 - 1678 kg) depending on configuration
Towing Capacity:
Up to 5,000 lbs (2268 kg) when properly equipped
NHTSA Front Impact:
4-star (driver), 4-star (passenger) - based on available data for similar model years
IIHS Side Impact:
Good (for models equipped with side airbags, though side airbags were not standard on 1999 XJ)
ABS:
Available (standard on some trims/engines, optional on others)
Airbags:
Driver and Passenger Frontal Airbags
Seatbelts:
3-point front and rear seat belts
Oil Change Interval:
Every 3,000 - 5,000 miles (4,800 - 8,000 km) or 6 months, depending on driving conditions (refer to manual for exact recommendation).
Air Filter Replacement:
Every 15,000 - 30,000 miles (24,000 - 48,000 km) or annually, or as needed based on inspection.
Spark Plug Replacement:
4.0L: Approx. 100,000 miles (160,000 km) with platinum/iridium plugs. 2.5L: Approx. 30,000 miles (48,000 km) with standard plugs.
Transmission Fluid Service:
Every 30,000 - 60,000 miles (48,000 - 96,000 km) for automatic, check manual for manual transmission recommendations.
Power Steering Fluid:
ATF+4 (Mopar P/N 05013457AA or equivalent, check manual for exact specification like MS-9602)
Coolant Capacity:
Approx. 11.0 - 13.0 US quarts (10.4 - 12.3 Liters) depending on engine and cooling system components.
Common Wear Items:
Cracked cylinder heads (especially early 4.0L models), water pump leaks, radiator issues, U-joint wear, leaf spring fatigue, exhaust manifold cracks (4.0L), CPS (Crankshaft Position Sensor) failure.
Chassis Lubrication:
Regular greasing of U-joints, ball joints, and tie rod ends is critical for longevity, especially for off-road use.
Jeep Legacy:
Jeep's long history of producing capable off-road vehicles dating back to World War II.
Xj Generation:
Second generation of the Jeep Cherokee (XJ), produced from 1984 to 2001. Known for its unibody construction, revolutionizing the SUV segment.
1999 Updates:
The 1999 model year saw minor refinements, typically including updated interior features, potentially new exterior trim options, and continued availability of the robust 4.0L inline-six and the 2.5L four-cylinder engines.
Production Start Year:
1984
Production End Year:
2001
Manufacturing Location:
Toledo, Ohio, USA
Popular Mechanics Honoree:
The XJ Cherokee was recognized as a '4x4 of the Year' by Four Wheeler Magazine multiple times and praised for its innovation and off-road capability.
Off Road Capability:
Highly regarded for its off-road prowess due to its relatively compact size, solid front axle, and robust powertrain options.
