🏷️ Basic Information Identification Make: Jeep Model: Cherokee Year: 1999 Codes Platform Code: XJ 👋 Introduction Market Position Vehicle Segment: Compact SUV Jeep Heritage: Part of Jeep's long legacy of off-road capable vehicles. Competitive Analysis Key Competitors 1999: Ford Explorer, Chevrolet Blazer, Toyota RAV4, Honda CR-V (though slightly different positioning) Key Features Chassis Design: Unibody construction, a departure from traditional body-on-frame SUVs of its era, offering better on-road manners. Off Road Capability: Renowned for its off-road prowess, especially with 4WD systems and high ground clearance. Engine Options: Popular 4.0L inline-six engine known for its torque and durability. 📋 Manual Details Coverage Areas All Systems: Yes Engine Coverage: 4.0L Inline 6-Cylinder (Select); 2.5L Inline 4-Cylinder (Select) Transmission Coverage: Automatic (Select Models); Manual (Select Models) Drivetrain Coverage: 2WD; 4WD (Selec-Trac, Command-Trac) Body And Chassis Coverage: Exterior body panels, interior trim, chassis components, suspension, steering Electrical System Coverage: Wiring diagrams, lighting, power accessories, ignition, starting, charging Brakes Coverage: Front disc, rear drum; ABS (if equipped) HVAC Coverage: Heating, Ventilation, and Air Conditioning systems Fuel System Coverage: Fuel injection, fuel pump, lines, tank Cooling System Coverage: Radiator, water pump, thermostat, cooling fan Exhaust System Coverage: Manifold, catalytic converter, muffler, pipes Suspension Coverage: Front leaf springs, rear leaf springs, shock absorbers, steering knuckles Steering Coverage: Power steering system, steering column, tie rods Wheel And Tire Coverage: Wheel specifications, tire fitment, bolt patterns Wheel Alignment Coverage: Specifications for caster, camber, toe Page Count Estimated Pages: Approx. 1000-1500 pages (estimated for a comprehensive parts catalog) Manual Type Type: Spare Parts Catalog Purpose: Identify and order replacement parts for the 1999 Jeep Cherokee Language Primary Language: English Format Digital Format: PDF Physical Format: Digital Download (likely) 📖 Manual Coverage Systems Covered Engine Mechanical: Detailed illustrations of engine components, gaskets, seals, pistons, crankshaft, camshaft, cylinder head, and related parts. Engine Electrical: Spark plugs, ignition coils, sensors (crankshaft position, camshaft position, O2), starter motor, alternator, battery components. Fuel And Emission Controls: Fuel injectors, fuel pump, fuel filter, evaporative emission control (EVAP) system components, catalytic converter, exhaust gaskets. Transmission And Drivetrain: Internal transmission components (gears, clutches, seals), transfer case parts, driveshafts, U-joints, differential components (gears, bearings, seals). Suspension And Steering: Leaf springs (front and rear), shackles, bushings, shock absorbers, steering box, tie rod ends, ball joints, sway bar components. Brake System: Brake pads, rotors, calipers, brake lines, wheel cylinders, master cylinder, brake booster, ABS sensors (if applicable). Electrical Components: Headlights, taillights, interior lighting, switches, fuses, relays, wiring harnesses, connectors, power window regulators, door lock actuators. HVAC Components: Condenser, evaporator, compressor, blower motor, heater core, AC lines, cabin air filter (if applicable). Body And Interior: Door handles, mirrors, grilles, bumpers, fenders, hoods, liftgates, interior trim panels, seats, floor mats. Procedures Included Part Identification: Precise identification of every component with exploded diagrams and part numbers. Interchangeability Notes: Potential notes on part interchangeability between specific sub-models or build dates. Related Parts Listing: Indication of associated parts needed for a complete repair (e.g., gaskets, bolts). Technical Depth Depth: Highly detailed, focused on parts identification and OE (Original Equipment) part numbers for accuracy. Diagrams Quality: High-quality exploded view diagrams crucial for visual part identification. Component Grouping: Parts are typically organized by system or assembly for logical navigation. 📊 Manual Specifications File Format Format: PDF (Portable Document Format) Searchability: Likely text-searchable for part names and numbers. Print Quality Reproducibility: High resolution, suitable for printing individual pages or the entire document. Binding Type Digital: N/A (Digital Download) Paper Type Digital: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Code 4.0L: ERH Engine Type 4.0L: Overhead Valve (OHV) Inline 6-Cylinder Displacement 4.0L: 242 cubic inches (3.96 Liters) Bore X Stroke 4.0L: 3.875 in x 3.562 in Compression Ratio 4.0L: 8.8:1 Horsepower 4.0L: 185 hp @ 4,600 rpm (approx.) Torque 4.0L: 220 lb-ft @ 3,000 rpm (approx.) Secondary Engine Engine Code 2.5L: ENH Engine Type 2.5L: Overhead Valve (OHV) Inline 4-Cylinder Displacement 2.5L: 150 cubic inches (2.5 Liters) Horsepower 2.5L: 125 hp @ 5,200 rpm (approx.) Torque 2.5L: 148 lb-ft @ 3,200 rpm (approx.) Fuel System Fuel Delivery: Sequential Electronic Multi-Port Fuel Injection (MPI) Recommended Fuel: 87 Octane Unleaded Gasoline Ignition System Type: Distributorless Ignition System (DIS) or Distributor with Coil Pack (depending on specific build date/engine variant) 🔧 Transmission Standard Transmission Type: 4-Speed Automatic (Select Models) Optional Transmission Type: 5-Speed Manual (Select Models) Features Automatic Transmission Model: 42RE (for 4.0L), 30RH (for 2.5L) Manual Transmission Model: AX-15 (early models), NV3550 (later models) Transfer Case Options: 2WD, Selec-Trac (Full-time 4WD with 2WD mode), Command-Trac (Part-time 4WD) 📐 Dimensions Exterior Wheelbase: 103.4 inches (2626 mm) Length: 167.5 inches (4255 mm) Width: 70.1 inches (1781 mm) Height: 63.4 inches (1610 mm) Ground Clearance: Approx. 8-9 inches (depending on suspension/tire configuration) Weights Curb Weight: Approx. 3,300 - 3,800 lbs (depending on engine, drivetrain, and trim) Towing Capacity: Up to 2,000 lbs (unbraked),...
Distributorless Ignition System (DIS) or Distributor with Coil Pack (depending on specific build date/engine variant)
🔧 Transmission
Standard
Transmission Type:
4-Speed Automatic (Select Models)
Optional
Transmission Type:
5-Speed Manual (Select Models)
Features
Automatic Transmission Model:
42RE (for 4.0L), 30RH (for 2.5L)
Manual Transmission Model:
AX-15 (early models), NV3550 (later models)
Transfer Case Options:
2WD, Selec-Trac (Full-time 4WD with 2WD mode), Command-Trac (Part-time 4WD)
📐 Dimensions
Exterior
Wheelbase:
103.4 inches (2626 mm)
Length:
167.5 inches (4255 mm)
Width:
70.1 inches (1781 mm)
Height:
63.4 inches (1610 mm)
Ground Clearance:
Approx. 8-9 inches (depending on suspension/tire configuration)
Weights
Curb Weight:
Approx. 3,300 - 3,800 lbs (depending on engine, drivetrain, and trim)
Towing Capacity:
Up to 2,000 lbs (unbraked), 5,000 lbs (braked, with optional tow package)
🛡️ Safety Features
Ratings
NHTSA Front Impact Driver:
4 Stars (1999 Model Year)
NHTSA Front Impact Passenger:
4 Stars (1999 Model Year)
Active Features
ABS:
Available on some models (standard rear ABS on others)
Passive Features
Airbags:
Driver and Passenger front airbags
Seatbelts:
Front 3-point height-adjustable seat belts, rear lap and shoulder belts
💡 Technology Features
Infotainment
Audio System:
AM/FM stereo with cassette player, optional CD player. Basic speaker configurations.
User Interface:
Analog gauges and physical button controls for climate and audio.
Driver Assistance
Cruise Control:
Standard on most trim levels.
Connectivity
Auxiliary Inputs:
None standard. Aftermarket solutions for AUX/Bluetooth are common.
🔧 Maintenance
Service Intervals
Oil Change Interval:
Every 3,000 - 5,000 miles or 3-6 months (depending on oil type and driving conditions).
Air Filter Replacement:
Every 15,000 - 30,000 miles, or as needed based on inspection.
Spark Plug Replacement:
4.0L: Approx. 60,000 - 100,000 miles (depending on plug type); 2.5L: Approx. 30,000 - 60,000 miles.
Transmission Fluid Change:
Every 30,000 - 60,000 miles (more frequently for heavy use/towing).
Fluid Specifications
Engine Oil 4.0L:
API Certified SAE 10W-30 or 10W-40. Refer to specific model year for exact recommendation (e.g., API SN/SP).
Engine Oil 2.5L:
API Certified SAE 5W-30 or 10W-30. Refer to specific model year for exact recommendation.
Coolant:
Ethylene Glycol antifreeze (conventional green) or HOAT (Hybrid Organic Additive Technology) with a 50/50 mix of antifreeze and distilled water. Capacity: Approx. 11-13 quarts.
Transmission Fluid Automatic:
ATF+3 (Chrysler spec) or equivalent for 42RE/30RH transmissions.
Transmission Fluid Manual:
GL-3 or GL-4 75W-90 gear oil for AX-15 and NV3550.
Power Steering Fluid:
ATF+3 or Mopar Power Steering Fluid.
Brake Fluid:
DOT 3.
Known Issues
Cooling System:
Radiator leaks, cracked coolant hoses, failing water pump, and thermostat issues are common on older XJs.
Suspension:
Worn leaf spring bushings, worn shackles, and leaf spring sag can occur, impacting ride quality and alignment.
Electrical:
Headlight switch failure, intermittent power window operation, and alternator issues can be encountered.
Engine 4.0L:
Cracked cylinder heads (though less common on 1999 models compared to earlier years), head gasket leaks, and lifter tick.
Steering:
Worn steering box, sloppy steering feel, and leaking power steering pumps.
Exhaust:
Catalytic converter failure, rusted exhaust pipes, and manifold cracks.
📚 Vehicle History
Brand Heritage
Jeep Legacy:
Built upon Jeep's reputation for ruggedness and off-road capability, originating from military vehicles.
Model Evolution
Xj Generation Start:
The XJ generation began in 1984, marking a significant shift to unibody construction for Jeep.
Xj Generation End:
The XJ generation concluded in 2001, with the Liberty (KJ) succeeding it in 2002.
Production
Manufacturing Locations:
Mainly Toledo, Ohio, USA
Popular Trims 1999:
Sport, SE, Limited, Classic
🏆 Awards & Recognition
Recognitions
Off Road Magazine:
Consistently recognized for its off-road capability and value by automotive publications over its lifespan.
Jeep Brand Recognition:
Benefited from Jeep's established reputation for durability and off-road prowess.