🏷️ Basic Information

Make:

Jeep

Model:

Liberty

Model Code:

KJ

Year:

2003

Generation:

First Generation (KJ)

Chassis Code:

KJ

👋 Introduction

Target Audience:

DIY mechanics, independent repair shops, Jeep Liberty KJ owners seeking detailed repair information.

Value Proposition:

Provides factory-level diagnostic and repair procedures, offering significant cost savings compared to dealership service. Comprehensive coverage is its key strength.

Feature 1:

Instant Download: Immediate access to repair information.

Feature 2:

Complete Coverage: Addresses all mechanical, electrical, and body systems.

Feature 3:

Factory Accuracy: Based on original manufacturer specifications.

Feature 4:

Printable: Allows for convenient use in a workshop environment.

📋 Manual Details

Primary Coverage:

Workshop Service and Repair

Secondary Coverage:

Factory Service Manual

Page Count:

Estimated 2000+ pages (typical for comprehensive factory service manuals)

Manual Type:

Workshop Service Repair Manual

Language:

English

File Format:

PDF

📖 Manual Coverage

Engine Systems:

Engine mechanical, lubrication, cooling, fuel, ignition, emissions control, starting, charging

Transmission And Driveline:

Automatic transmission, manual transmission, transfer case, front axle, rear axle, driveshafts, differentials

Suspension And Steering:

Front suspension, rear suspension, steering system components, power steering

Brakes:

Front brakes, rear brakes, parking brake, anti-lock braking system (ABS)

Electrical Systems:

Battery, charging system, starting system, lighting, instruments, audio system, chime/buzzer, electronic control modules (ECMs), horn, ignition control, message systems, power systems, speed control, vehicle theft security

Body And Frame:

Frame, bumpers, doors, windows, exterior trim, interior trim, seat systems, restraints (airbags)

HVAC And Emissions:

Heating and air conditioning (HVAC), emissions control systems

Wheels And Tires:

Tires, wheels, alignment

Wipers And Washers:

Wiper and washer systems

Maintenance Procedures:

Scheduled maintenance, fluid checks and changes, filter replacements, lubrication, tire rotation

Diagnostic Procedures:

Troubleshooting guides, symptom-based diagnostics, DTC (Diagnostic Trouble Code) interpretation

Repair Procedures:

Step-by-step instructions for component removal, installation, and repair for all major systems

Component Overhaul:

Detailed procedures for engine rebuilding, transmission overhauling, differential rebuilds

Electrical Diagnostics:

Wiring diagrams, circuit tracing, component testing, electrical system troubleshooting

Wiring Diagrams:

Detailed electrical wiring diagrams for all vehicle systems, essential for troubleshooting electrical faults.

Depth Of Coverage:

Comprehensive: Covers everything from basic maintenance to complete engine and transmission overhauls, including complex electrical diagnostics and bodywork repairs.

Diagnostic Tools Covered:

Procedures likely reference common scan tools for reading and clearing Diagnostic Trouble Codes (DTCs), and may detail specific Chrysler diagnostic interfaces or procedures.

📊 Manual Specifications

Compatibility:

All Versions of Windows & Mac

Reader Requirement:

Adobe PDF Reader

Unzipping Requirement:

WinZip or compatible utility

Printability:

All pages are printable

Binding Type:

Digital Download (No physical binding)

Paper Type:

N/A (Digital format)

⚙️ Engine Specifications

Engine Options:

Likely covers the 3.7L PowerTech V6 and potentially the 2.4L PowerTech (for specific markets).

Engine Displacement 3.7L:

3.7 Liters (226 cubic inches)

Engine Configuration 3.7L:

SOHC V6

Horsepower 3.7L:

Approximately 210-215 hp (varies slightly by model year and configuration)

Torque 3.7L:

Approximately 235-240 lb-ft (varies slightly by model year and configuration)

Fuel Delivery:

Multi-Port Fuel Injection (MPFI)

Engine Oil Type 3.7L:

SAE 5W-30 Synthetic (Refer to manual for exact specification, e.g., Chrysler MS-6395)

Coolant Type:

OAT (Organic Additive Technology) coolant, typically Mopar OAT or equivalent, P-HOAT, or HOAT

🔧 Transmission

Transmission Type V6:

4-speed automatic (42RLE)

Transmission Type 4-Cyl:

4-speed automatic (42LE/42RLE) or 5-speed manual (NV1500)

Transfer Case:

Command-Trac NV244 (part-time, electronic shift-on-the-fly) or optional Selec-Trac (full-time 4WD capability)

Automatic Transmission Fluid:

ATF+4 (Mopar)

📐 Dimensions

Wheelbase:

Approx. 104.2 inches (2647 mm)

Length:

Approx. 175.4 inches (4455 mm)

Width:

Approx. 72.4 inches (1839 mm)

Height:

Approx. 71.4 inches (1813 mm)

Curb Weight V6 4Wd:

Approx. 4,000 - 4,200 lbs (1814 - 1905 kg)

Towing Capacity:

Up to 3,500 lbs (1588 kg) (check specific configuration)

🛡️ Safety Features

NHTSA Front Impact Driver:

4 Stars (for 2003 model)

NHTSA Front Impact Passenger:

4 Stars (for 2003 model)

NHTSA Side Impact Front Seat:

4 Stars (for 2003 model)

NHTSA Side Impact Rear Seat:

4 Stars (for 2003 model)

NHTSA Rollover Resistance:

4 Stars (for 2003 model)

Active Safety Features:

Available ABS (Anti-lock Braking System)

Passive Safety Features:

Front airbags, optional side curtain airbags (check trim level), 3-point seat belts with pretensioners

💡 Technology Features

Infotainment Systems:

Base AM/FM radio with CD player, optional Infinity sound system, optional navigation systems on some higher trims.

Driver Assistance Features:

Limited by 2003 standards, primarily ABS. No advanced electronic driver aids like traction control (standard on later models/trims), stability control, or adaptive cruise control.

Connectivity Options:

Basic audio system connectivity, optional Sirius satellite radio (introduced later).

🔧 Maintenance

Oil Change Interval:

Typically every 3,000 - 6,000 miles (5,000 - 10,000 km) or 6 months, depending on driving conditions and oil used. Consult manual for specific recommendations.

Air Filter Replacement:

Every 15,000 - 30,000 miles (24,000 - 48,000 km), or as needed based on driving environment.

Spark Plug Replacement 3.7L:

Approximately 100,000 miles (160,000 km) with platinum tipped spark plugs.

Brake Fluid Type:

DOT 3

Power Steering Fluid:

ATF+4 (Mopar) or equivalent

Rear Differential Fluid:

SAE 75W-90 (API GL-5) for standard, or SAE 75W-140 for limited-slip differentials (check manual)

Transfer Case Fluid:

NV244: ATF+4 (Mopar); NV244 Selec-Trac: NP140 (consult manual)

Common Issue 1:

Overheating (especially with the 3.7L V6, due to cooling system design or thermostat issues).

Common Issue 2:

Power steering pump leaks or noisy pumps.

Common Issue 3:

Brake wear and rotor warping, particularly on heavier duty models.

Common Issue 4:

Electronic Throttle Control (ETC) issues, leading to rough idling or limp-home mode.

Common Issue 5:

Transfer case actuator or selector switch failures.

📚 Vehicle History

Brand Heritage Jeep:

Jeep has a long history of producing capable off-road vehicles, known for durability and go-anywhere performance.

Liberty Kj Introduction:

The KJ Liberty replaced the Cherokee (XJ) in North America and was introduced for the 2002 model year. It featured a more modern unibody construction (based on the DaimlerChrysler compact SUV platform shared with Dodge Nitro).

Production Location:

Toledo, Ohio, USA

🏆 Awards & Recognition

Awards History:

While the KJ Liberty received mixed reviews and wasn't a class leader in many areas, it maintained Jeep's reputation for off-road capability and ruggedness. It was generally well-regarded for its size and practicality as a compact SUV with genuine trail credentials.