🏷️ Basic Information Identification Make: Jeep Model: Liberty Generation: KJ Model Years Covered: 2003-2004 Codes Chassis Code: KJ 👋 Introduction Market Position Vehicle Segment: Compact SUV / Off-road capable vehicle Target Audience: Enthusiasts, DIY mechanics, professional workshops servicing Jeep vehicles Competitive Analysis Key Competitors Era: Ford Escape, Honda CR-V, Toyota RAV4, Nissan Xterra Jeep Differentiation: Renowned off-road capability and Jeep's iconic styling and brand heritage Key Features Manual Value Proposition: Provides dealership-level technical information for accurate and efficient repairs Information Source: Equivalent to the official Technical Service Manual (TSM) used by authorized Jeep dealerships Diagnostic Support: Essential for diagnosing and resolving complex electrical and mechanical issues 📋 Manual Details Coverage Areas Primary Coverage: All workshop service and repair procedures for Jeep Liberty KJ (2003-2004) Diagnostic Coverage: Extensive diagnostic trouble codes (DTCs), symptom-based diagnostics, and repair procedures Component Coverage: Engine, transmission, drivetrain, brakes, suspension, steering, HVAC, electrical systems, body, chassis, emissions Page Count Estimated Page Count: Refer to specific product listing for exact page count; typically 1500+ pages for comprehensive workshop manuals Manual Type Type: Professional Workshop Service and Repair Manual Synonyms: Service Manual, Repair Manual, Technical Service Manual (TSM) Language Language: English Format Format: Digital Download (PDF) 📖 Manual Coverage Systems Covered Engine Mechanical: Engine assembly, disassembly, cylinder head, pistons, crankshaft, camshaft, valve train, lubrication system, cooling system Engine Performance: Fuel system, ignition system, emissions control, engine management (PCM/ECM) Transmission Manual: Manual transmission service, clutch system, gear shift mechanism Transmission Automatic: Automatic transmission service, torque converter, transmission control module (TCM) Drivetrain: Four-wheel drive (4WD) system, transfer case, front axle, rear axle, drive shafts, universal joints Brakes: Brake system diagnostics, front and rear brakes (discs/drums), Anti-lock Braking System (ABS), parking brake Suspension: Front suspension (independent), rear suspension (solid axle), shock absorbers, springs, control arms, ball joints Steering: Power steering system, steering column, steering gear/rack and pinion, tie rods Body And Chassis: Body construction, doors, hood, tailgate, bumpers, interior trim, chassis frame, rust prevention Electrical System: Battery, charging system, starting system, lighting, fuses, relays, wiring diagrams, Body Control Module (BCM) Climate Control: HVAC system, air conditioning (A/C), heating, ventilation, blower motor, refrigerant system Safety Systems: Airbag system (SRS), seat belts, passive restraint systems Diagnostic Tools: OBD-II diagnostics, scan tool usage, specific diagnostic procedures for modules Procedures Included Routine Maintenance: Oil changes, filter replacements, fluid checks and top-offs, tire rotation, spark plug replacement Troubleshooting: Step-by-step troubleshooting guides for common and uncommon issues, symptom analysis Component Removal Installation: Detailed instructions for removing, overhauling, assembling, and installing all major and minor components Special Tools: Identification and usage instructions for specialized tools required for specific repair procedures Torque Specifications: Comprehensive list of torque values for all fasteners and critical components Alignment Specifications: Wheel alignment specifications (camber, caster, toe), procedure for adjustment Electrical Diagnostics: Schematic interpretation, component testing, circuit diagnosis, wiring harness repair Body Repair: Panel repair, welding procedures, body panel alignment, glass replacement Air Conditioning Service: Refrigerant handling, system evacuation and recharging, component replacement (compressor, condenser, evaporator) Technical Depth Depth: Comprehensive: From basic maintenance to complete engine and transmission rebuilds Diagnostic Capability: Advanced diagnostics, including identifying intermittent faults and system-level issues Electrical Detail: Detailed wiring diagrams, connector pinouts, and component location charts Engine Rebuild: Complete engine overhaul procedures, including tolerances and specifications for machining Transmission Rebuild: Detailed breakdown and assembly procedures for both manual and automatic transmissions 📊 Manual Specifications File Format File Type: PDF (Portable Document Format) Searchability: Searchable text content for quick information retrieval Printability: Printable pages for workshop use Print Quality Image Resolution: High-resolution images and diagrams for clarity Diagram Clarity: Step-by-step diagrams with clear annotations and callouts Binding Type Binding Format: Digital download (no physical binding) Paper Type Paper Quality: N/A (Digital Format) ⚙️ Engine Specifications Primary Engine Engine Code Gasoline: 2.4L PowerTech (4-cylinder), 3.7L PowerTech (V6) Engine Code Diesel: Not commonly offered in North American market for these years, but 2.5L CRD (VM Motori) was available in some markets. Performance 2.4L Horsepower: Approx. 150 hp @ 5200 rpm (varies by application) 2.4L Torque: Approx. 165 lb-ft @ 3800 rpm (varies by application) 3.7L Horsepower: Approx. 210 hp @ 5200 rpm (varies by application) 3.7L Torque: Approx. 235 lb-ft @ 4000 rpm (varies by application) Fuel System Fuel Delivery: Multi-point fuel injection (MPI) Fuel Type: Unleaded gasoline (Octane rating as per manufacturer recommendation) 🔧 Transmission Standard Transmission Type Std: 4-speed automatic transmission (42RLE) Optional Transmission Type Opt: 5-speed manual transmission (NV1500/NV3500) Features Drivetrain Options: Part-time Command-Trac NV241 GII or Selec-Trac NV242 HD transfer case (4WD) Fluid Type Auto: ATF+4 (Mopar) Fluid Capacity Auto: Approx. 6.4 quarts (6.1 liters) for drain and fill (refer to manual for exact capacity) 📐 Dimensions Exterior Length: Approx. 174.4 inches (442.9 mm) Width: Approx. 72.6 inches (184.4 mm) Height: Approx. 71.0 inches (180.3 mm) (with roof rails) Wheelbase: Approx. 104.2 inches (2647 mm) Ground Clearance: Varies by...
Panel repair, welding procedures, body panel alignment, glass replacement
Air Conditioning Service:
Refrigerant handling, system evacuation and recharging, component replacement (compressor, condenser, evaporator)
Technical Depth
Depth:
Comprehensive: From basic maintenance to complete engine and transmission rebuilds
Diagnostic Capability:
Advanced diagnostics, including identifying intermittent faults and system-level issues
Electrical Detail:
Detailed wiring diagrams, connector pinouts, and component location charts
Engine Rebuild:
Complete engine overhaul procedures, including tolerances and specifications for machining
Transmission Rebuild:
Detailed breakdown and assembly procedures for both manual and automatic transmissions
📊 Manual Specifications
File Format
File Type:
PDF (Portable Document Format)
Searchability:
Searchable text content for quick information retrieval
Printability:
Printable pages for workshop use
Print Quality
Image Resolution:
High-resolution images and diagrams for clarity
Diagram Clarity:
Step-by-step diagrams with clear annotations and callouts
Binding Type
Binding Format:
Digital download (no physical binding)
Paper Type
Paper Quality:
N/A (Digital Format)
⚙️ Engine Specifications
Primary Engine
Engine Code Gasoline:
2.4L PowerTech (4-cylinder), 3.7L PowerTech (V6)
Engine Code Diesel:
Not commonly offered in North American market for these years, but 2.5L CRD (VM Motori) was available in some markets.
Performance
2.4L Horsepower:
Approx. 150 hp @ 5200 rpm (varies by application)
2.4L Torque:
Approx. 165 lb-ft @ 3800 rpm (varies by application)
3.7L Horsepower:
Approx. 210 hp @ 5200 rpm (varies by application)
3.7L Torque:
Approx. 235 lb-ft @ 4000 rpm (varies by application)
Fuel System
Fuel Delivery:
Multi-point fuel injection (MPI)
Fuel Type:
Unleaded gasoline (Octane rating as per manufacturer recommendation)
🔧 Transmission
Standard
Transmission Type Std:
4-speed automatic transmission (42RLE)
Optional
Transmission Type Opt:
5-speed manual transmission (NV1500/NV3500)
Features
Drivetrain Options:
Part-time Command-Trac NV241 GII or Selec-Trac NV242 HD transfer case (4WD)
Fluid Type Auto:
ATF+4 (Mopar)
Fluid Capacity Auto:
Approx. 6.4 quarts (6.1 liters) for drain and fill (refer to manual for exact capacity)
📐 Dimensions
Exterior
Length:
Approx. 174.4 inches (442.9 mm)
Width:
Approx. 72.6 inches (184.4 mm)
Height:
Approx. 71.0 inches (180.3 mm) (with roof rails)
Wheelbase:
Approx. 104.2 inches (2647 mm)
Ground Clearance:
Varies by configuration, typically around 8.1 inches (205.7 mm)
Weights
Curb Weight:
Approx. 3700-4100 lbs (1678-1860 kg) depending on engine and drivetrain
Towing Capacity:
Up to 5,000 lbs (2268 kg) when properly equipped
🛡️ Safety Features
Ratings
NHTSA Front Impact:
4-star driver, 5-star passenger (for 2003 model year, may vary)
IIHS Side Impact:
Acceptable (for 2003 model year, may vary)
Active Features
ABS:
Standard Anti-lock Braking System (ABS)
Traction Control:
Optional Traction Control System (TCS)
Electronic Stability:
Optional Electronic Stability Control (ESC)
Passive Features
Airbags:
Frontal airbags, optional side-impact airbags
Seatbelts:
3-point seat belts with pretensioners
💡 Technology Features
Infotainment
Audio System:
Factory AM/FM/CD stereo, optional Infinity sound system with subwoofer.
Navigation:
Optional factory navigation system was available on some trims.
Driver Assistance
Cruise Control:
Standard cruise control.
Parking Assist:
Rear parking assist sensors were optional.
Connectivity
Auxiliary Input:
Some models may have an auxiliary audio input jack for external devices.
Satellite Radio:
SiriusXM Satellite Radio was an optional feature.
🔧 Maintenance
Service Intervals
Oil Change Interval:
Every 3,000 - 7,500 miles (5,000 - 12,000 km) or 6-12 months, depending on driving conditions and oil type (refer to manual for specific recommendations).
Air Filter Replacement:
Every 15,000 - 30,000 miles (24,000 - 48,000 km)
Spark Plug Replacement:
Approx. 100,000 miles (160,000 km) for iridium plugs, earlier for standard plugs
Transmission Fluid Change:
Every 30,000 - 60,000 miles (48,000 - 96,000 km) for automatic transmission (refer to manual)
Fluid Specifications
Engine Oil Specification:
SAE 5W-30 or 5W-20 (depending on engine and climate, consult manual). API certified oil.
Coolant Specification:
Mopar OAT (Orange) Antifreeze/Coolant, 5-year/100,000 mile formula (or equivalent HOAT)
Brake Fluid Specification:
DOT 3 or DOT 4 Brake Fluid
Known Issues
Common Problem Radiator:
Cracked radiators, especially on V6 models, often related to heat and age. Manual covers radiator removal and replacement.
Common Problem Transmission Cooler:
Internal transmission cooler failure can contaminate the transmission fluid, requiring a full flush and cooler replacement. Manual details this procedure.
Common Problem Cv Joints:
Wear and tear on front CV joints, especially in off-road use. Manual provides replacement instructions.
Common Problem Power Steering:
Leaky power steering hoses or pump issues. Manual covers inspection and replacement.
Common Problem Window Regulators:
Failure of power window regulators. Manual includes procedures for door panel removal and regulator replacement.
📚 Vehicle History
Brand Heritage
Jeep Legacy:
Jeep has a long-standing reputation for robust off-road capability and ruggedness dating back to WWII.
Model Evolution
Kj Generation Introduction:
The KJ Liberty replaced the Cherokee (XJ) in the Jeep lineup, offering a more modern platform with a unibody construction.
Kj Styling:
Characterized by its rounded styling, upright grille, and prominent fender flares, a departure from the boxier XJ.
Production
Production Period:
First generation (KJ) produced from 2002 to 2007.
Manufacturing Location:
Belvidere Assembly Plant, Illinois, USA
🏆 Awards & Recognition
Recognitions
Off Road Capability Awards:
While specific awards for the 2003-2004 Liberty are not widely publicized, the Jeep brand consistently ranks high in off-road capability evaluations.
Ratings
Consumer Reports:
Consumer Reports ratings for this era of Liberty varied, often citing reliability concerns in certain areas while praising its off-road prowess. The manual is crucial for addressing these potential reliability issues.
Certifications
Manual Certification:
This manual is equivalent to the official dealer certification for repair procedures, ensuring accuracy and adherence to manufacturer standards.
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