🏷️ Basic Information Identification Make: Jeep Model: Liberty Chassis Code: KJ Generation: First Generation (KJ) Model Years: 2002-2007 👋 Introduction Market Position Segment: Compact SUV / Sport Utility Vehicle Target Audience: Owners seeking to perform their own maintenance and repairs, independent repair shops, enthusiast workshops. Competitive Analysis Competitors 2002 2007: Ford Escape, Toyota RAV4, Honda CR-V, Subaru Forester, Nissan Xterra Key Features Of Manual Accuracy: Based on official Jeep dealer documentation, ensuring accuracy and completeness. Diagrams: Detailed step-by-step diagrams and illustrations for complex procedures. Troubleshooting Guide: Inclusion of diagnostic trouble codes (DTCs) and systematic troubleshooting procedures. Cost Savings: Enables significant cost savings on maintenance and repair by empowering DIY efforts. 📋 Manual Details Coverage Areas Overall Coverage: Comprehensive Workshop Service & Repair Page Count Estimated Pages: 1000+ Manual Type Type: Factory Service Manual (FSM) / Workshop Manual Language Language: English Format Format: Downloadable Digital Format (likely PDF) 📖 Manual Coverage Systems Covered Powertrain: Engine, Transmission, Drivetrain (4x4/2WD) Chassis: Suspension, Steering, Brakes, Exhaust Electrical: Wiring Diagrams, Lighting, Ignition, Body Electrical, Powertrain Control Modules (PCM) Body And Interior: Exterior Body Panels, Interior Trim, Seats, HVAC System Diagnostics: On-Board Diagnostics (OBD-II), DTCs (Diagnostic Trouble Codes), Troubleshooting Flowcharts Procedures Included Maintenance: Fluid Changes, Filter Replacements, Inspections Repair: Component Removal, Installation, Overhaul, Adjustments Troubleshooting: Diagnosis of common problems and specific failure modes Specifications: Torque values, clearances, electrical data Technical Depth Depth: Full workshop level, including diagnostics, component-level repair, and system overhauls. 📊 Manual Specifications File Format File Type: PDF (Portable Document Format) Searchability: Typically searchable text content for quick access to information Print Quality Print Capability: Printable pages for workshop use Binding Type Binding For Print: Not applicable for digital download, but designed for easy printing and binding Paper Type Recommended Paper For Print: Standard printer paper, potential for heavier stock for workshop durability ⚙️ Engine Specifications Primary Engine Engine Code Gasoline 1: 2.4L PowerTech Inline-4 (G4) - ERH Displacement Gasoline 1: 2429 cc Horsepower Gasoline 1: 147-150 hp @ 5200-5800 rpm (depending on year/tune) Torque Gasoline 1: 165-170 lb-ft @ 4000 rpm (depending on year/tune) Engine Code Gasoline 2: 3.7L PowerTech V6 - EKG Displacement Gasoline 2: 3701 cc Horsepower Gasoline 2: 205-210 hp @ 5200-5500 rpm (depending on year/tune) Torque Gasoline 2: 235-240 lb-ft @ 4000 rpm (depending on year/tune) Engine Code Diesel 1: 2.8L CRD (Common Rail Diesel) - ENF Displacement Diesel 1: 2776 cc Horsepower Diesel 1: 150 hp @ 3800 rpm (for 2005-2006 models) Torque Diesel 1: 295 lb-ft @ 1800 rpm (for 2005-2006 models) Performance Fuel Type Gasoline: Unleaded gasoline (87 octane recommended, higher for performance) Fuel Type Diesel: Diesel fuel (ULSD required for 2007+ in many regions) Fuel System Fuel Delivery Gasoline: Multi-point Fuel Injection (MPI) Fuel Delivery Diesel: Common Rail Direct Injection (CRDI) Ignition System: Distributorless Ignition System (DIS) with coil-on-plug 🔧 Transmission Standard Transmission Type 2.4L: 5-speed Manual (NV1500/NV3500) Transmission Type 3.7L: 4-speed Automatic (42RLE) Optional Transmission Type Optional Gasoline: 4-speed Automatic (42RLE) available with 2.4L Transmission Type Optional Diesel: 4-speed Automatic (42RLE) available with 2.8L CRD Features Drivetrain Options: Part-time 4WD (Command-Trac NV231J or NV244 transfer case), available Full-time 4WD (Selec-Trac NV244 transfer case on some models), 2WD Gear Ratios Auto 42Rle: Typical: 1st: 2.804, 2nd: 1.576, 3rd: 1.000, 4th: 0.699, Reverse: 2.104 Transmission Fluid Spec Auto: ATF+4 (Chrysler Material Standard MS-9602) Transmission Fluid Capacity Auto: Approximately 6.7 US quarts (6.4 liters) dry fill 📐 Dimensions Exterior Wheelbase: 104.2 inches (2647 mm) Length: 170.4 inches (4328 mm) Width: 72.4 inches (1839 mm) Height: 71.3 inches (1811 mm) with roof rack Ground Clearance: Approx. 8.1 inches (206 mm) Weights Curb Weight Min: Approx. 3600 lbs (1633 kg) for 2WD 2.4L model Curb Weight Max: Approx. 4200 lbs (1905 kg) for 4WD 3.7L CRD models Towing Capacity: Up to 5000 lbs (2268 kg) with optional tow package and 3.7L engine 🛡️ Safety Features Ratings NHTSA Rollover Resistance Rating: 4 out of 5 stars (check specific year reports) IIHS Front Crash Test: Good (for models tested) Active Features ABS: Standard Anti-lock Braking System (ABS) Traction Control: Available Traction Control System (TCS) Esc: Available Electronic Stability Control (ESC) - often standard on later models or higher trims. Passive Features Airbags Front: Standard front driver and passenger airbags Airbags Side: Optional front side-impact airbags Seatbelts: 3-point seat belts with pretensioners 💡 Technology Features Infotainment Audio System Options: Factory AM/FM/CD player, optional Infinity sound system with subwoofer. Navigation: Optional factory navigation system available on higher trim levels. Driver Assistance Cruise Control: Standard cruise control on most models. Keyless Entry: Available keyless entry system. Connectivity Auxiliary Input: Limited connectivity options in this era; aftermarket head units are common for aux/USB/Bluetooth. 🔧 Maintenance Service Intervals Oil Oil Change Interval Gasoline: Every 5,000-7,500 miles (8,000-12,000 km) or 6 months, whichever comes first (depending on oil type and driving conditions). Oil Change Interval Diesel: Every...
Approx. 4200 lbs (1905 kg) for 4WD 3.7L CRD models
Towing Capacity:
Up to 5000 lbs (2268 kg) with optional tow package and 3.7L engine
🛡️ Safety Features
Ratings
NHTSA Rollover Resistance Rating:
4 out of 5 stars (check specific year reports)
IIHS Front Crash Test:
Good (for models tested)
Active Features
ABS:
Standard Anti-lock Braking System (ABS)
Traction Control:
Available Traction Control System (TCS)
Esc:
Available Electronic Stability Control (ESC) - often standard on later models or higher trims.
Passive Features
Airbags Front:
Standard front driver and passenger airbags
Airbags Side:
Optional front side-impact airbags
Seatbelts:
3-point seat belts with pretensioners
💡 Technology Features
Infotainment
Audio System Options:
Factory AM/FM/CD player, optional Infinity sound system with subwoofer.
Navigation:
Optional factory navigation system available on higher trim levels.
Driver Assistance
Cruise Control:
Standard cruise control on most models.
Keyless Entry:
Available keyless entry system.
Connectivity
Auxiliary Input:
Limited connectivity options in this era; aftermarket head units are common for aux/USB/Bluetooth.
🔧 Maintenance
Service Intervals Oil
Oil Change Interval Gasoline:
Every 5,000-7,500 miles (8,000-12,000 km) or 6 months, whichever comes first (depending on oil type and driving conditions).
Oil Change Interval Diesel:
Every 3,000-5,000 miles (5,000-8,000 km) or 6 months (depending on oil type and driving conditions; diesel engines typically require more frequent changes).
Service Intervals Filters
Engine Oil Filter Part Number Example:
Mopar: MO-899, Fram: PH10060 (verify for specific engine)
Engine Air Filter Part Number Example:
Mopar: 04861671AA, Fram: CA8016 (verify for specific engine)
Fluid Specifications
Engine Oil Spec Gasoline:
SAE 5W-30 (API certified, synthetic blend or full synthetic recommended for best performance and protection)
Engine Oil Spec Diesel:
SAE 15W-40 or 5W-40 (API CJ-4 or newer recommended for diesel engines, synthetic highly recommended)
Coolant Spec:
Chrysler/Mopar OAT (Organic Additive Technology) Antifreeze/Coolant (typically orange color, consult manual for exact part number)
Brake Fluid Spec:
DOT 3 or DOT 4 brake fluid (verify for specific system)
Power Steering Fluid Spec:
ATF+4 or specific power steering fluid (consult manual)
Known Issues
Common Issue Cooling System:
Radiator leaks, thermostat housing leaks, water pump failures are not uncommon in higher mileage vehicles.
Common Issue Exhaust:
Exhaust manifold cracks (especially on V6 engines), catalytic converter issues.
Common Issue Suspension:
Wear in ball joints, tie rod ends, and control arm bushings can lead to steering wander and tire wear.
Common Issue Electronics:
Window regulator failures, power lock actuators, and occasional PCM issues.
Common Issue Diesel 2.8:
Injectors, glow plugs, and EGR system issues are potential concerns for the CRD engine.
📚 Vehicle History
Brand Heritage
Jeep Legacy:
Jeep has a long heritage in off-road vehicles, known for durability and capability.
Model Evolution
Liberty Kj Positioning:
Introduced as a more compact and car-like SUV than the Grand Cherokee, but retaining Jeep's off-road prowess with its body-on-frame construction and available 4WD systems.
Production
Manufacturing Location:
Toledo, Ohio, USA
Production Run:
2002-2007 (KJ Generation)
🏆 Awards & Recognition
Recognitions
Award Mention:
While specific awards for the Liberty KJ are not as prominent as some competitors, it was generally well-received for its off-road capability and distinctive styling within its class.
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