๐ท๏ธ Basic Information Identification Make: Jeep Model: Cherokee Generation: XJ Year: 1999 Codes Platform Code: XJ ๐ Introduction Market Position Segment: Compact SUV, renowned for its off-road capability and ruggedness Competitive Analysis Competitors: Toyota 4Runner, Ford Bronco, Chevrolet S-10 Blazer Key Features Design: Unibody construction (a segment first), solid front axle (until 1999), robust drivetrain options Offroad Prowess: Jeep's legendary Command-Trac and Selec-Trac 4WD systems Value Proposition Diy Savings: Empowers owners to perform extensive maintenance and repairs, saving significant labor costs ๐ Manual Details Coverage Areas Scope: Comprehensive service and repair information for the 1999 Jeep Cherokee XJ Page Count Estimated Pages: 1500+ Manual Type Type: Factory-Original WSM (Workshop Service Manual) / Service Repair Manual Language Language: English Format Format: Digital Download (PDF) ๐ Manual Coverage Systems Covered Powertrain: Engine (4.0L Inline-6, 2.5L Inline-4), Transmission (AW4, NV3550, NP231 Transfer Case) Chassis: Suspension (Front Solid Axle, Rear Leaf Springs/Coil Springs), Steering, Brakes (ABS, Non-ABS) Electrical: Wiring Diagrams, Lighting, Instrumentation, Power Accessories, Engine Control Module (ECM) Body: Exterior and Interior Trim, HVAC, Body Control Module (BCM) Procedures Included Diagnostic: Troubleshooting charts, diagnostic trouble codes (DTCs), symptom-based diagnostics Repair: Step-by-step repair instructions for all major components and systems Maintenance: Routine maintenance tasks, fluid changes, filter replacements, lubrication Overhaul: Engine and transmission overhaul procedures, component rebuilding Emissions: Emissions control system diagnosis and repair, catalytic converter information HVAC: Air conditioning system diagnosis and repair, heater core replacement, blower motor service Fuel System: Fuel pump replacement, fuel injector service, fuel tank removal and installation Cooling System: Radiator replacement, water pump service, thermostat replacement Wheels And Tires: Tire pressure specifications, wheel alignment procedures, wheel bearing replacement Body And Frame: Door panel removal, tailgate service, rust repair guidance (often supplemental) Technical Depth Depth: Full factory-level diagnostic and repair procedures, including torque specifications, clearances, and assembly sequences ๐ Manual Specifications File Format Quality: High-resolution, searchable PDF with clear, legible text and diagrams Print Quality Printability: Designed for easy printing of individual sections or the entire manual Binding Type Binding: N/A (Digital Download) Paper Type Paper: N/A (Digital Download) โ๏ธ Engine Specifications Primary Engine 4.0L: 4.0L OHV Inline-6 (AMC 242), MPI (Multi-Point Injection) 2.5L: 2.5L OHV Inline-4 (AMC 150), MPI (Multi-Point Injection) Performance 4.0L Hp: 181 hp @ 4,600 rpm 4.0L Torque: 220 lb-ft @ 3,000 rpm 2.5L Hp: 125 hp @ 5,200 rpm 2.5L Torque: 150 lb-ft @ 2,500 rpm Fuel System Type: Sequential Multi-Port Fuel Injection (MPI) Fuel Type: Unleaded gasoline, 87 octane recommended ๐ง Transmission Standard Type: 4-speed Automatic Transmission (AW4) Optional Type: 5-speed Manual Transmission (NV3550, replacing AX-15) Features Transfer Case: New Process NP231 Command-Trac (part-time 2WD/4WD) standard Aw4 Fluid Type: Mopar ATF+4 (or equivalent) - Check capacity in manual Nv3550 Fluid Type: Mopar Manual Transmission Lubricant (or equivalent) - Check capacity in manual ๐ Dimensions Exterior Length: 173.3 inches Width: 69.4 inches Height: 63.7 inches Wheelbase: 101.4 inches Weights Curb Weight Est: 3,200 - 3,600 lbs (depending on configuration) Gross Vehicle Weight Rating Est: 4,400 - 4,800 lbs ๐ก๏ธ Safety Features Ratings NHTSA Rollover Resistance: 4/5 Stars (for 4WD models) IIHS Crash Test Rating: Acceptable (for frontal offset, though specific 1999 ratings may vary) Active Features ABS: Available Anti-lock Braking System (ABS) on rear wheels (4-wheel disc optional for some trims) Passive Features Airbags: Driver and Passenger front airbags Seatbelts: Three-point front and rear seat belts ๐ก Technology Features Infotainment Audio System: AM/FM stereo with cassette player, optional CD player, available premium sound systems Speakers: Typically 4 or 6 speakers Driver Assistance Cruise Control: Standard on most trims Tilt Steering: Available on some trims Connectivity Power Windows: Available on higher trims Power Locks: Available on higher trims ๐ง Maintenance Service Intervals Oil Change Interval: Every 3,000-5,000 miles or 6 months (depending on driving conditions and oil type) Transmission Fluid Change: Every 30,000-60,000 miles (AW4), Every 50,000-75,000 miles (NV3550) Coolant Flush: Every 30,000-50,000 miles or 2-3 years Fluid Specifications Engine Oil: SAE 10W-30 (API SG or higher for 4.0L), SAE 5W-30 (API SG or higher for 2.5L) - Check owner's manual for precise specs and capacities. Coolant: Chrysler/Mopar Antifreeze/Coolant (50/50 mix with distilled water) Brake Fluid: DOT 3 Known Issues Heater Core: Prone to leaking over time, often requiring dashboard removal for replacement Crankshaft Position Sensor: Can fail, leading to no-start or stalling issues (especially on the 4.0L) Radiator: Plastic end tanks can become brittle and crack, leading to coolant leaks Power Steering Pump: Can develop leaks or noise over time Exhaust Manifold: Cast iron manifolds can crack, leading to exhaust leaks and ticking noises Rust: Common areas include rocker panels, rear quarter panels, and floor pans, particularly in rust-belt regions ๐ Vehicle History Brand Heritage Jeep Legacy: Rooted in military vehicle design, known for unparalleled off-road capability and durability Model Evolution Xj Introduction: Introduced in 1984, revolutionized the SUV segment with its unibody construction and...