🏷️ Basic Information Identification Make: Jeep Model: Cherokee XJ Year: 1998 Codes Chassis Code: XJ 👋 Introduction Market Position Positioning: The Jeep Cherokee XJ is a highly regarded compact SUV, known for its ruggedness, off-road capability, and enduring appeal. This manual targets owners and independent mechanics who maintain and repair these vehicles. Competitive Analysis Competitors: Competed against models like the Toyota RAV4, Honda CR-V, Ford Explorer, and Nissan Pathfinder, often excelling in off-road prowess. Key Features Xj Strengths: Unibody construction (first SUV with this design), solid front axle (early models), legendary Selec-Trac and Command-Trac 4x4 systems, robust drivetrain options. Manual Target Audience Audience: Professional technicians, experienced DIY mechanics, and Jeep enthusiasts seeking in-depth repair knowledge. 📋 Manual Details Coverage Areas All Systems: Yes Page Count Estimated Pages: 1500+ Manual Type Type: Factory Repair Service Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine Mechanical: Complete overhaul, diagnostics, component testing (e.g., cylinder head, pistons, crankshaft, camshaft) Engine Management: Fuel injection system (MPI), ignition system, sensors (MAP, TPS, O2, Crank/Cam), ECM operation and diagnosis Transmission Automatic: 42RE & 30RH: Diagnosis, overhaul, torque converter, valve body, cooler system Transmission Manual: AX-15 & NV3550: Clutch system, gearbox overhaul, lubrication Transfer Case: NP231 (Command-Trac): Operation, diagnosis, seal replacement, chain tension Driveline: Front & Rear Axles (Dana 30, Chrysler 8.25): Differential overhaul, gears, bearings, seals, U-joints, driveshafts Suspension: Front (Solid Leaf Spring - earlier XJ, though not standard '98) & Front Coil Spring/Control Arm: Shock absorbers, springs, ball joints, bushings, steering linkage Steering: Power steering system: Pump, steering gear, tie rods, idler arm, diagnosis Brakes: Front Disc (Vented Rotor), Rear Disc/Drum: Hydraulic system, ABS (if equipped), calipers, pads, rotors, lines, bleeding procedures Electrical System: 12V system, battery, alternator, starter, wiring diagrams, fuses, relays Body And Chassis: Frame, body panels, doors, glass, interior trim, HVAC system, exterior lighting Emissions Control: Catalytic converter, EGR system, evaporative emissions (EVAP) Procedures Included Routine Maintenance: Oil changes, filter replacements, fluid checks, spark plug replacement, belt inspection/replacement Troubleshooting: Diagnostic charts, symptom-based troubleshooting, DTC (Diagnostic Trouble Code) interpretation Component Repair: Step-by-step instructions for removing, repairing, and installing major components Diagnostic Testing: Testing electrical circuits, fuel pressure testing, compression testing, vacuum testing Wheel Alignment: Specifications for camber, caster, toe (front and rear where applicable) Air Conditioning Service: Refrigerant handling (R134a), component replacement, leak detection Technical Depth Depth: Comprehensive: Covers everything from basic fluid changes to complete engine and transmission rebuilds, including detailed electrical schematics and diagnostic procedures. 📊 Manual Specifications File Format File Type: PDF Searchability: Searchable text content Print Quality Resolution: High-resolution scanned pages Binding Type Binding: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Code Displacement: 4.0L (242 cu. in.) OHV Inline 6-Cylinder (Engine Code: 4.0L) Performance Horsepower 1998: 185 hp @ 4,600 rpm Torque 1998: 220 lb-ft @ 3,200 rpm Fuel System Injection Type: Multi-port Fuel Injection (MPI) Engine Block Material Material: Cast Iron Cylinder Head Material Material: Cast Iron Cooling System Capacity Quarts: 11.9 (with max cooling) Ignition System Type: Distributorless Ignition System (DIS) with distributorless ignition module (DIM) Spark Plugs Recommended Part Number: Champion RC12LYC (OEM equivalent) Oil Type Viscosity: SAE 10W-30 (API SG or SH) Oil Capacity Quarts Capacity: 5.0 (with filter) Alternator Amperage Amperage: 117 Amp (typical) 🔧 Transmission Standard Transmission Type: 4-Speed Automatic (42RE) Optional Transmission Type: 5-Speed Manual (AX-15) Transmission Fluid Automatic Type: ATF+3 (Mopar) Transmission Fluid Manual Type: Manual Transmission Lubricant (API GL-4/GL-5, SAE 75W-90 recommended) Transfer Case Type Type: New Process NP231 (Command-Trac) Command-Trac Part-Time 4WD Transfer Case Fluid Type: ATF+3 (Mopar) Driveshaft Universal Joints Serviceability: Greaseable U-joints (front and rear driveshafts) 📐 Dimensions Exterior Wheelbase Inches: 101.4 Length Inches: 165.3 Width Inches: 69.4 Height Inches: 65.3 Weights Curb Weight Lbs: 3,400 - 3,600 (approx., depending on configuration) Gross Vehicle Weight Rating Gvwr Lbs: 4,600 - 4,800 (approx.) Wheels And Tires Standard Tire Size: P215/75R15 Wheel Bolt Pattern: 5x4.5 inches (5x114.3 mm) Standard Wheel Size: 15x7 inches Fuel Fuel Tank Capacity Gallons: 20.0 🛡️ Safety Features Ratings NHTSA Rollover Rating: 3 Stars (for earlier models, may vary slightly for '98, but generally considered a risk due to higher center of gravity) Active Features ABS: Optional (available on some models, typically 4-wheel ABS) Passive Features Airbags: Driver and Passenger airbags Seat Belts: Front: 3-point inertia reel. Rear: Lap and shoulder belts (outboard), lap belt (center). 💡 Technology Features Infotainment Audio System: Factory AM/FM stereo with cassette player. Optional CD player. Speaker configurations vary by trim. Driver Assistance Cruise Control: Standard on most trims Connectivity Power Accessories: Optional power windows, power door locks, power mirrors 🔧 Maintenance Service Intervals Oil Change Interval Miles: 3,000 - 5,000 miles (depending on driving conditions and oil type used) Transmission Fluid Change Interval Miles: 30,000 - 60,000 miles (depending on driving conditions) Coolant Change Interval Miles:...