Segment:
Compact Sport Utility Vehicle (SUV)
Target Audience:
Off-road enthusiasts, families, utility vehicle buyers
Competitors 1999:
Ford Explorer, Chevrolet Blazer, Toyota 4Runner, Nissan Pathfinder
Competitive Advantage:
Renowned off-road capability, strong solid axle design (front on some models), robust powertrain options
Design Philosophy:
Compact, capable, and durable SUV with traditional Jeep ruggedness
Platform:
Unibody construction, a departure from traditional body-on-frame SUVs of the era
Powertrain Options:
Choice between a capable 4-cylinder and the legendary inline-6 engine
Drivetrain Options:
Versatile 2WD and 4WD systems
Engine:
2.5L AMC I4, 4.0L AMC I6
Transmission:
4-speed Automatic (42RE, 44RE), 5-speed Manual (AX-15, NV3550)
Drivetrain:
4WD (Selec-Trac, Command-Trac), Rear Wheel Drive
Suspension:
Front Solid Axle (Dana 30), Rear Leaf Spring Solid Axle (Dana 35)
Brakes:
Front Disc, Rear Drum (ABS optional)
Steering:
Power Recirculating Ball
Electrical:
12V System, Charging System, Ignition System, Lighting, Instrumentation, Body Control Modules, Fuses, Relays
HVAC:
Air Conditioning, Heating, Ventilation
Fuel System:
Fuel Injection (MPI), Fuel Pump, Lines, Tank
Exhaust System:
Catalytic Converter, Muffler, Pipes
Cooling System:
Radiator, Fan, Thermostat, Water Pump
Body And Frame:
Body Panels, Doors, Hood, Hatch, Interior Trim, Unibody Construction
Maintenance:
Oil Change, Filter Replacement, Fluid Checks and Changes, Spark Plug Replacement, Belt Inspection/Replacement
Troubleshooting:
Diagnostic Charts, Symptom-based Problem Solving, Electrical Schematics
Repair:
Engine Overhaul, Transmission Rebuild, Suspension Component Replacement, Brake Service, Electrical Component Repair
Diagnostics:
OBD-II Procedures, Sensor Testing, Actuator Testing
Assembly Disassembly:
Detailed step-by-step instructions for component removal and installation
Depth:
Comprehensive Factory Level Detail
Diagnostic Capabilities:
In-depth diagnostics covering mechanical, electrical, and computer systems
Rebuild Procedures:
Complete rebuild procedures for major components like engines and transmissions
Diagrams Illustrations:
High-quality, detailed diagrams and illustrations for clarity
Torque Specifications:
Precise torque values for all critical fasteners
Format Type:
Print Manual
Physical Dimensions:
Standard Manual Size (Approx. 8.5" x 11")
Paper Quality:
Durable, high-quality paper stock suitable for workshop environments
Print Clarity:
Clear, crisp text and high-resolution diagrams
Binding:
Professional Binding (e.g., Perfect Bound or Spiral Bound for easy page turning)
Durability:
Designed for frequent use in a workshop setting
Engine 1 Displacement:
2.5 Liters (150 ci)
Engine 1 Configuration:
Inline 4-Cylinder (AMC 2.5L '150')
Engine 1 Horsepower:
Approx. 125 hp @ 4600 RPM
Engine 1 Torque:
Approx. 150 lb-ft @ 3500 RPM
Engine 2 Displacement:
4.0 Liters (242 ci)
Engine 2 Configuration:
Inline 6-Cylinder (AMC 4.0L '242')
Engine 2 Horsepower:
Approx. 190 hp @ 4600 RPM
Engine 2 Torque:
Approx. 220 lb-ft @ 3000 RPM
Fuel Type:
Unleaded Gasoline
Fuel Delivery:
Multi-Point Fuel Injection (MPI)
ECM:
Chrysler JTEC or NGC depending on build date/options
Standard Transmission:
42RE 4-Speed Automatic
Optional Transmission 1:
AX-15 5-Speed Manual
Optional Transmission 2:
NV3550 5-Speed Manual (later production models)
Transfer Case Options:
Selec-Trac (NV242), Command-Trac (NV231)
Automatic Transmission Fluid:
ATF+4 (or equivalent Dexron III/Mercon)
Manual Transmission Fluid:
API GL-3/GL-4 (Manual Transmission Fluid, e.g., Pennzoil Synchromesh)
NHTSA Rollover Rating:
Four Stars (for 4WD models in some configurations)
ABS:
Optional on rear disc brake models, standard on some later models
Traction Control:
Not typically available on this model year
Airbags:
Driver and Passenger Airbags
Seatbelts:
3-point front seatbelts, 2-point rear lap belts (later models may have 3-point rear)
Audio System:
Factory AM/FM Cassette stereo, optional CD player. Basic speaker configuration.
Instrument Cluster:
Analog gauges for speedometer, tachometer, fuel, engine temperature, oil pressure, and voltmeter.
Cruise Control:
Available on most trim levels
Anti Theft System:
Factory immobilizer system (standard on some models)
Auxiliary Input:
Not typically available from the factory; aftermarket solutions are common.
OBD Port:
Standard OBD-II diagnostic port, allowing for engine code reading and basic diagnostics.
Oil Change Interval:
Every 3,000-5,000 miles or 6 months (depending on driving conditions and oil type used)
Engine Oil Filter Replacement:
With every oil change
Engine Coolant Flush:
Every 30,000-50,000 miles or 2-3 years
Transmission Fluid Change:
Every 30,000-60,000 miles (depending on driving conditions and fluid type)
Spark Plug Replacement:
Every 30,000-100,000 miles (depending on plug type)
Engine Oil Type:
API SG, SH, SJ certified oil. Viscosity: 5W-30 for most conditions, 10W-30 for warmer climates (refer to manual for exact specs).
Coolant Type:
Mopar Antifreeze/Coolant (OAT or HOAT, typically green for this era) or equivalent
Brake Fluid Type:
DOT 3 or DOT 4
Power Steering Fluid:
ATF+4 or equivalent
Common Issue 1:
Cracked cylinder heads on the 4.0L engine (especially earlier versions, though less common in '99)
Common Issue 2:
Water pump leaks
Common Issue 3:
Aging rubber bushings in suspension components leading to play
Common Issue 4:
Electrical gremlins, especially concerning window regulators and door lock actuators
Common Issue 5:
Rusty unibody frame rails and rocker panels
Jeep Legacy:
Founded on military necessity, Jeep has a long history of producing rugged, off-road capable vehicles.
Xj Introduction:
The XJ Cherokee was introduced for the 1984 model year, pioneering the compact SUV segment.
Xj Generations:
The XJ Cherokee was produced in a single generation from 1984 to 2001, with significant updates occurring throughout its lifespan.
1999 Updates:
The 1999 model year saw continued refinement, with updated interior and exterior styling compared to earlier XJs. The 4.0L engine was significantly upgraded for increased horsepower and torque, and the transmission options remained robust.
Production Period:
1984-2001
Manufacturing Locations:
Various plants in the United States and Canada.