🏷️ Basic Information Identification Make: Jeep Model: Liberty Year: 2003 Codes Model Code: KJ 👋 Introduction Market Position Vehicle Segment: Compact SUV / Sport Utility Vehicle Target Audience: Enthusiasts seeking to perform their own maintenance and repairs, owners looking for detailed technical information. Competitive Analysis Competitors 2003: Ford Escape, Honda CR-V, Toyota RAV4, Nissan Xterra, Suzuki Vitara. Key Features Manual Advantage: User-friendly PDF format with interactive navigation, high-quality illustrations, detailed step-by-step instructions suitable for novices. Vehicle Advantage: Renowned Jeep off-road capability in a compact package, available with Selec-Trac NV242 full-time 4WD system. 📋 Manual Details Coverage Areas Manual Type: Service and Repair Manual Language: English Format: PDF Primary Coverage: Workshop procedures, diagnostics, maintenance, repair Page Count Estimated Page Count: 1500+ 📖 Manual Coverage Systems Covered Powertrain: Engine mechanical, engine performance, fuel system, ignition system, exhaust system, transmission (automatic and manual), transfer case, driveline Chassis: Suspension (front and rear), steering system, brake system (front and rear, ABS), wheels and tires Electrical: Body control modules, instrument cluster, lighting, power windows, power door locks, wipers, horns, audio system, charging system, starting system, basic wiring diagrams Body: Exterior body panels, interior trim, seats, doors, glass, HVAC (heating, ventilation, air conditioning) Procedures Included Maintenance: Scheduled maintenance intervals, fluid checks and changes, filter replacements, lubrication Diagnostics: Troubleshooting guides, diagnostic trouble codes (DTCs) interpretation, component testing Repair: Component removal and installation, adjustments, component rebuilding (where applicable) Technical Specifications: Torque specifications, clearances, fluid capacities, electrical specifications Technical Depth Depth Level: Comprehensive (suitable for DIY enthusiasts and professional technicians) Diagrams Illustrations: High-quality, step-by-step diagrams and illustrations Searchability: Interactive with easy subject/link navigation, searchable text 📊 Manual Specifications File Format Format: PDF Interactivity: Yes (hyperlinked table of contents, internal links) Print Quality Printable: Yes (user can print specific pages as needed) Binding Type Binding: N/A (Electronic PDF) Paper Type Paper Type: N/A (Electronic PDF) ⚙️ Engine Specifications Primary Engine Engine Name: 2.4L Power-Tech Inline-4 Engine Code: ED1 (for 2.4L) Displacement: 2429 cc Bore X Stroke: 87.5 mm x 100.0 mm Compression Ratio: 9.1:1 Horsepower Hp: 150 hp @ 5200 rpm Torque Lb Ft: 170 lb-ft @ 4000 rpm Fuel System Fuel Delivery: Sequential Multi-Port Fuel Injection (MPI) Fuel Type: Unleaded gasoline Engine Variants Optional Engine Name: 3.7L Power-Tech V6 Optional Engine Code: EWG (for 3.7L) Optional Displacement: 3701 cc Optional Horsepower Hp: 205 hp @ 5200 rpm Optional Torque Lb Ft: 235 lb-ft @ 4000 rpm 🔧 Transmission Standard Transmission Type 2.4L: 5-speed Manual Transmission (NSG 370) Optional Transmission Type 3.7L: 4-speed Automatic Transmission (42RLE) Transmission Type 2.4L Auto Option: 4-speed Automatic Transmission (42RLE) Features Transfer Case Standard: Command-Trac NV241G (Part-time 2WD, 4WD Part-Time, 4WD Full-Time Neutral) Transfer Case Optional: Selec-Trac NV242 (Part-time 2WD, 4WD Part-Time, 4WD Full-Time, Neutral) 📐 Dimensions Exterior Length: 176.1 inches (4473 mm) Width: 72.0 inches (1829 mm) Height: 69.5 inches (1765 mm) Wheelbase: 104.2 inches (2647 mm) Weights Curb Weight Min: 3,770 lbs (1710 kg) Curb Weight Max: 4,140 lbs (1878 kg) Cargo Cargo Volume Behind Rear Seat: 38.5 cu ft (1.09 m³) Cargo Volume With Rear Seat Folded: 66.9 cu ft (1.89 m³) 🛡️ Safety Features Ratings NHTSA Frontal Driver 2003: ★★★★★ (5-star) NHTSA Frontal Passenger 2003: ★★★★★ (5-star) NHTSA Side Driver 2003: ★★★★☆ (4-star) NHTSA Side Rear Passenger 2003: ★★★★☆ (4-star) Rollover Resistance 2003: ★★★★☆ (4-star) Active Features ABS: Standard (4-wheel ABS on most models) Traction Control: Available Passive Features Airbags: Front airbags, available side curtain airbags Seatbelts: 3-point front and rear seatbelts 💡 Technology Features Infotainment Infotainment Options: AM/FM/CD player, optional Infinity premium sound system, optional navigation system. Driver Assistance Driver Assistance Features: ABS (standard), available Traction Control System (TCS). Connectivity Connectivity Features: 12V power outlets, available auxiliary input for audio devices. 🔧 Maintenance Service Intervals Oil Change Interval: Every 3,000 to 5,000 miles (depending on oil type and driving conditions) Tire Rotation: Every 5,000 to 7,500 miles Coolant Flush: Every 30,000 to 50,000 miles or 2-5 years Fluid Specifications Engine Oil Type: SAE 5W-30 (API SN or higher) Engine Oil Capacity 2.4L: 4.5 US quarts (4.3 L) Engine Oil Capacity 3.7L: 5.0 US quarts (4.7 L) Transmission Fluid Type Auto: ATF+4 (MS-9602) Transfer Case Fluid Type: Mopar NV242 / NV241G Transfer Case Lubricant Differential Fluid Type Front: API GL-5, SAE 80W-90 Differential Fluid Type Rear: API GL-5, SAE 80W-90 (with limited slip additive if equipped) Known Issues Common Problems Engine 2.4L: Head gasket failures, oil leaks, intake manifold gasket leaks. Common Problems Engine 3.7L: Oil filter housing leaks, intake manifold gasket leaks, rocker arm issues. Common Problems Transmission: Transmission fluid leaks, torque converter issues (42RLE). Common Problems Suspension: Worn ball joints, tie rod ends, and control arm bushings. Common Problems Electrical: Window regulator failures, HVAC blower motor resistor failure, intermittent gauge readings. 📚 Vehicle History Brand Heritage Jeep Legacy: Jeep's heritage is rooted in military vehicles and rugged off-road capability, dating...