🏷️ Basic Information Identification Make: Jeep Model: Cherokee Chassis Code: XJ Year: 1999 Codes Vin Prefix: 1J4 👋 Introduction Market Position Segment: Compact SUV / Off-Road Vehicle Target Audience: Adventure enthusiasts, off-roaders, families seeking a capable and durable vehicle. Competitive Analysis Competitors: Ford Bronco, Toyota 4Runner, Nissan Pathfinder, Chevrolet Blazer. Key Features Platform: Unibody construction, known for its rigidity and lighter weight compared to body-on-frame SUVs. Powertrain Options: Renowned 4.0L inline-six engine, capable 4WD systems (Selec-Trac, Command-Trac). Durability: Legendary off-road capability and robust construction contributing to long-term durability. 📋 Manual Details Coverage Areas Coverage: Comprehensive factory service and repair procedures for the 1999 Jeep Cherokee XJ. Page Count Estimated Pages: 1500+ Manual Type Type: Factory Service Manual Language Language: English Format Format: Digital (ZIP containing PDF) 📖 Manual Coverage Systems Covered Engine: All 1999 Jeep Cherokee XJ engine options, including the 4.0L (242 CID) I6 and 2.5L (150 CID) I4. Transmission: Service and repair for AX-5 manual transmission, NV3550 manual transmission, and 30/42R/42RE automatic transmission. Drivetrain: Front and rear axle service, transfer case (NP231, NP242), differentials, and driveshafts. Suspension: Front and rear suspension components, including coil springs, control arms, bushings, shock absorbers, and sway bars. Brakes: Front and rear brake systems (disc and drum), ABS operation and diagnosis, parking brake. Steering: Power steering system, steering gearbox, steering column, and tie rods. Electrical: Complete electrical system diagnosis, wiring diagrams, battery, charging system, starting system, lighting, instruments, and power accessories. HVAC: Heating, Ventilation, and Air Conditioning (HVAC) system service, diagnosis, and refrigerant handling. Body: Body and exterior trim, doors, windows, glass, interior trim, seats, and bumpers. Cooling: Radiator, cooling fan, water pump, thermostat, and heater core. Fuel: Fuel tank, fuel pump, fuel lines, fuel injectors, and evaporative emissions system. Exhaust: Exhaust manifold, catalytic converter, mufflers, and exhaust pipes. Engine Control: Engine control module (ECM) operation, sensor diagnosis, and emissions controls. Procedures Included Maintenance: Scheduled maintenance, fluid changes, filter replacements, lubrication. Troubleshooting: Diagnostic flowcharts and symptom-based troubleshooting for all major systems. Repair: Step-by-step repair instructions for component removal, disassembly, inspection, repair, and reassembly. Diagnostics: Detailed diagnostic procedures for engine, transmission, ABS, SRS, and other electronic systems. Adjustments: Specifications and procedures for adjustments such as idle speed, parking brake, and clutch. Specifications: Torque specifications, clearances, and critical measurements for all repair procedures. Wiring Diagrams: Comprehensive color-coded wiring diagrams for all vehicle electrical systems. Special Tools: Identification and usage instructions for special tools required for specific repairs. Technical Depth Depth: Factory-level detail, suitable for professional technicians and advanced DIY enthusiasts. Scope: Covers everything from routine maintenance and fluid checks to complete engine and transmission overhauls and complex electrical system diagnosis. 📊 Manual Specifications File Format File Type: PDF Searchability: Text-searchable PDF for quick information retrieval. Print Quality Resolution: High-resolution scans for clear text and legible diagrams. Binding Type Binding: N/A (Digital Download) Paper Type Paper: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine 1: 4.0L (242 CID) OHV V6 Engine 1 Horsepower: 190 hp @ 4600 rpm Engine 1 Torque: 225 lb-ft @ 3200 rpm Engine 1 Bore X Stroke: 3.875 in x 3.562 in (98.4 mm x 90.5 mm) Engine 1 Compression Ratio: 8.8:1 Engine 1 Fuel Delivery: Sequential Multi-Port Fuel Injection (MPI) Optional Engine Engine 2: 2.5L (150 CID) OHV I4 (AMC 150) Engine 2 Horsepower: 125 hp @ 4800 rpm Engine 2 Torque: 150 lb-ft @ 3200 rpm Engine 2 Fuel Delivery: Multi-Port Fuel Injection (MPI) Performance Engine Management: Chrysler's Powertrain Control Module (PCM). Fuel System Fuel Type: Unleaded Gasoline Fuel Tank Capacity: 20.0 gallons (75.7 Liters) 🔧 Transmission Standard Transmission 1: 42RE 4-Speed Automatic Optional Transmission 2: NV3550 5-Speed Manual Transmission 3: AX-5 5-Speed Manual (less common on 1999 models, primarily for 4-cyl) Features Transfer Case 1: NV231 Command-Trac (Part-time 4WD) Transfer Case 2: NV242 Selec-Trac (Full-time and Part-time 4WD) Transmission Fluid Spec Automatic: ATF+4 (or equivalent) Transmission Fluid Spec Manual: Refer to manual for specific GL-4 or GL-5 gear oil recommendations. 📐 Dimensions Exterior Length: 169.9 inches (4315 mm) Width: 71.1 inches (1806 mm) Height: 64.4 inches (1636 mm) Wheelbase: 101.4 inches (2576 mm) Ground Clearance: 8.7 inches (221 mm) (typical) Weights Curb Weight Approx: 3500-3800 lbs (1588-1724 kg) depending on configuration 🛡️ Safety Features Ratings NHTSA Rollover Resistance: N/A for this model year, but generally considered good for its class. Active Features ABS: Available Anti-lock Braking System (ABS) on front and rear brakes. Passive Features Airbags: Driver and passenger front airbags. Seatbelts: Front and rear seatbelts; driver and front passenger pretensioners. 💡 Technology Features Infotainment Audio System: Factory AM/FM stereo with cassette player, optional CD player. Speakers: Standard 4 or 6 speaker configuration. Driver Assistance Cruise Control: Standard feature on most trims. Connectivity Vehicle Speed Sensor: Used for ABS, speedometer, and transmission control. 🔧 Maintenance Service Intervals Oil Change Interval: Every 5,000 miles or 6 months, whichever comes...