🏷️ Basic Information Identification Make: Jeep Model: Cherokee XJ Year: 1999 Codes Chassis Code: XJ Engine Codes: 4.0L (AMC 242), 2.5L (AMC 150) 👋 Introduction Market Position Segment: Compact SUV / Off-road oriented SUV Target Audience: Off-road enthusiasts, DIY mechanics, owners seeking in-depth vehicle knowledge Competitive Analysis Competitors 1999: Toyota RAV4, Honda CR-V, Ford Explorer, Nissan Pathfinder Unique Selling Proposition: Renowned off-road capability, legendary inline-six engine, robust unibody construction Key Features Iconic Engine: 4.0L "Power-Tech" Inline-6 (AMC 242) Body Style: 2-door and 4-door (Sport Utility Vehicle) Drivetrain Options: Part-time 4WD (Command-Trac), Full-time 4WD (Selec-Trac) Suspension Design: Front solid axle, rear leaf springs (known for durability and articulation) 📋 Manual Details Coverage Areas Engine: Yes Transmission: Yes Drivetrain: Yes Suspension: Yes Steering: Yes Brakes: Yes Electrical System: Yes Body And Chassis: Yes HVAC: Yes Body Electrical: Yes Diagnostic Troubleshooting: Yes Maintenance Procedures: Yes Wiring Diagrams: Yes Page Count Estimated Pages: Approx. 2000+ Manual Type Type: Factory Service Manual Language Language: English Format Format: PDF 📖 Manual Coverage Systems Covered Engine Mechanical: Complete overhaul, assembly, disassembly, component testing, diagnostics Engine Performance: Fuel injection, ignition system, emissions control, engine management diagnostics Transmission Manual: NV3550, AX-15 (if applicable to '99 spec, though AX-15 phased out), rebuild procedures, component identification Transmission Automatic: AW4 (42RE), rebuild procedures, hydraulic control systems, electronic diagnostics Transfer Case: NP231, NP242 (Selec-Trac), disassembly, assembly, maintenance, repair Axles And Differentials: Dana 30 (front), Chrysler 8.25 (rear), Dana 44 (optional rear), bearing preloads, gear backlash, fluid specifications Suspension Front: Solid beam axle, leaf springs, shock absorbers, steering linkage, alignment specifications Suspension Rear: Leaf springs, shock absorbers, axle articulation Steering System: Power steering pump, steering gear, tie rods, drag links, hydraulic pressure tests Brake System: Front disc brakes, rear drum brakes, ABS (if equipped), brake fluid specifications, bleeding procedures, caliper/cylinder overhaul Fuel System: Fuel pump, injectors, fuel pressure regulator, fuel filter replacement, EVAP system Cooling System: Radiator, water pump, thermostat, coolant specifications, flush and fill procedures Exhaust System: Muffler, catalytic converter, pipe routing, hanger replacement HVAC System: Air conditioning compressor, condenser, evaporator, refrigerant, heater core, blower motor, controls Interior Electrical: Dashboard instruments, lighting, power windows, power locks, seat controls, audio system Exterior Electrical: Headlights, taillights, turn signals, mirrors, wiper system, horn Body And Frame: Unibody construction, door mechanisms, tailgate, panel replacement, rust prevention Safety Systems: Seat belts, airbags (if equipped), child seat anchors Procedures Included Routine Maintenance: Oil changes, filter replacements, fluid checks and top-offs, tire rotations Major Repairs: Engine rebuilds, transmission overhauls, axle servicing Troubleshooting: System-specific diagnostic charts, common fault identification, symptom-based troubleshooting Component Replacement: Detailed step-by-step instructions for replacing virtually all major and minor components Diagnostic Testing: Specifications for electrical tests, pressure tests, vacuum tests, resistance checks Tune Up Procedures: Spark plug replacement, ignition timing, fuel system cleaning Calibration And Adjustment: Wheel alignment, parking brake adjustment, throttle cable adjustment Body Work And Refinishing: Panel alignment, trim piece removal and installation, basic body repair guidance Technical Depth Depth: Comprehensive, from basic maintenance to complete overhauls and advanced diagnostics Detail Level: Factory-level detail with exploded views, torque specifications, and diagnostic flowcharts 📊 Manual Specifications File Format File Type: PDF Searchability: Searchable text content Printability: Printable pages Resolution: High-resolution for clarity of diagrams and text Print Quality Quality: N/A (Digital PDF) Binding Type Type: N/A (Digital PDF) Paper Type Type: N/A (Digital PDF) ⚙️ Engine Specifications Primary Engine Engine 1: 4.0L (3956 cc) Inline-6 OHV Engine 1 Bore X Stroke: 3.875 in x 2.875 in (98.4 mm x 73.0 mm) Engine 1 Compression Ratio: 8.8:1 Engine 1 Horsepower: 190 hp @ 4600 rpm Engine 1 Torque: 225 lb-ft @ 3200 rpm Engine 1 Fuel System: Sequential Multi-Port Fuel Injection (MPI) Engine 1 Ignition System: Distributorless Ignition System (DIS) with distributorless coil pack Engine 1 Block Material: Cast Iron Engine 1 Head Material: Cast Iron Engine 1 Oil Capacity: 5 quarts (4.7 liters) with filter Engine 1 Recommended Oil: API SJ, SAE 10W-30 Optional Engine Engine 2: 2.5L (2492 cc) Inline-4 OHV (AMC 150) Engine 2 Horsepower: 125 hp @ 4800 rpm Engine 2 Torque: 145 lb-ft @ 3200 rpm Engine 2 Fuel System: Sequential Multi-Port Fuel Injection (MPI) 🔧 Transmission Standard Transmission 1: 4-speed Automatic (42RE / AW4) Optional Transmission 2: 5-speed Manual (NV3550) Features Overdrive Gears: Yes (4th gear in auto, 5th gear in manual) Transfer Case Options: Command-Trac (231), Selec-Trac (242) Fluid Specifications Automatic Transmission Fluid: ATF+4 (Chrysler specification, previously ATF+3 or Dexron III) Manual Transmission Fluid: NV3550: SAE 75W-90 synthetic gear oil (API GL-4 or GL-5) 📐 Dimensions Exterior Length: 169.4 in (4303 mm) Width: 70.0 in (1778 mm) Height: 63.7 in (1618 mm) Wheelbase: 101.4 in (2576 mm) Ground Clearance: Approx. 8.1-9.1 inches (20.6-23.1 cm) depending on tire/suspension Weights Curb Weight Approx: 3,400 - 3,600 lbs (1542 - 1633 kg) Gross Vehicle Weight Rating Gvw: Approx. 4,850 lbs (2200 kg) 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