🏷️ Basic Information

Make:

Jeep

Model:

Liberty KJ

Year:

2003

Drivetrain:

4X4

Steering Side:

Left-Hand Drive (LHD)

Chassis Code:

KJ

👋 Introduction

Segment:

Compact SUV / Crossover

Key Competitors:

Honda CR-V, Toyota RAV4, Ford Escape, Nissan Xterra

Jeep Differentiation:

Off-road capability and rugged styling compared to more car-like competitors.

Vehicle Focus:

Designed for a balance of on-road comfort and off-road prowess, with Jeep's signature styling and 4x4 systems.

📋 Manual Details

Regions Covered:

Global (designed for LHD markets, but technical information is universally applicable)

Estimated Page Count:

Over 2000

Type:

Service and Repair Manual

Language:

English

Format:

PDF

📖 Manual Coverage

Powertrain:

Engine, Transmission (Automatic & Manual), Transfer Case, Driveline Components

Chassis:

Suspension (Front & Rear), Steering System, Brake System, Exhaust System

Electrical:

Charging System, Starting System, Ignition System, Lighting, Instrumentation, Body Control Modules, HVAC Electrical, Audio System Wiring, Power Accessories

Body And Interior:

Body Panels, Doors, Windows, Seats, Interior Trim, HVAC System (Mechanical), Fuel System, Cooling System

Maintenance:

Scheduled Maintenance, Fluid Checks and Replacements, Filter Replacements, Lubrication Points

Diagnostics And Troubleshooting:

Diagnostic Trouble Codes (DTCs), Symptom-Based Troubleshooting, Component Testing

Repair And Rebuild:

Engine Reassembly, Transmission Overhaul, Brake Component Replacement, Suspension Component Replacement, Electrical Component Repair

Specifications And Data:

Torque Specifications, Fluid Capacities, Electrical Schematics, Component Dimensions

Depth:

Comprehensive, covering routine maintenance to major component overhauls and diagnostics.

📊 Manual Specifications

File Type:

Portable Document Format (PDF)

Searchability:

Likely text-searchable (OCR dependent on original scanning quality)

Image Clarity:

High-resolution images and diagrams recommended via Adobe PDF Reader.

Binding:

N/A (Digital PDF)

Paper Quality:

N/A (Digital PDF)

⚙️ Engine Specifications

Engine Code:

PowerTech 4.0L (Optional for certain markets/trims, but common for Jeep)

Engine Type:

Inline 6-cylinder, Overhead Valve (OHV)

Displacement:

3952 cc (241 cubic inches)

Bore X Stroke:

98.4 mm x 86.6 mm (3.87 in x 3.41 in)

Compression Ratio:

8.8:1

Horsepower:

Approx. 190-200 hp @ 4600 rpm (depending on specific tuning)

Torque:

Approx. 235-245 lb-ft @ 3000 rpm (depending on specific tuning)

Fuel System:

Sequential Multi-Port Fuel Injection (MPI)

Ignition System:

Distributorless Ignition System (DIS)

Emission Control:

Catalytic Converter, Oxygen Sensors, EGR (Exhaust Gas Recirculation)

Engine Type:

2.4L I4 (PowerTech)

Displacement:

2429 cc (148 cubic inches)

Horsepower:

Approx. 150 hp @ 5200 rpm

Torque:

Approx. 170 lb-ft @ 3200 rpm

🔧 Transmission

Type:

4-Speed Automatic (42RLE)

Type:

5-Speed Manual (NV3500)

Transfer Case:

Command-Trac NV231 HD (Part-time, 2-speed, 2.72:1 ratio)

Gear Ratios Manual:

1st: 3.75, 2nd: 2.14, 3rd: 1.37, 4th: 1.00, 5th: 0.78, Reverse: 3.75

Gear Ratios Automatic:

1st: 2.80, 2nd: 1.53, 3rd: 1.00, 4th: 0.75, Reverse: 2.22

Automatic Transmission Fluid:

ATF+4 (Chrysler Mopar)

Manual Transmission Fluid:

MS-9224 (Manual Transmission Fluid)

Transfer Case Fluid:

MS-907 (NV231 HD Fluid)

📐 Dimensions

Length:

4415 mm (173.8 in)

Width:

1837 mm (72.3 in)

Height:

1766 mm (69.5 in)

Wheelbase:

2647 mm (104.2 in)

Ground Clearance:

Approx. 203 mm (8.0 in) (4.0L model)

Passenger Volume:

Approx. 2760 L (97.5 cu ft)

Cargo Volume Behind Rear Seat:

Approx. 818 L (28.9 cu ft)

Cargo Volume Max:

Approx. 1984 L (70.1 cu ft)

Curb Weight Min:

Approx. 1750 kg (3858 lbs)

Gross Vehicle Weight Rating Gvwr:

Approx. 2300 kg (5070 lbs)

🛡️ Safety Features

NHTSA Frontal Crash Driver:

4/5 Stars

NHTSA Frontal Crash Passenger:

4/5 Stars

IIHS Frontal Offset:

Good

ABS:

Standard (4-wheel disc brakes with ABS)

Traction Control:

Optional / Standard on higher trims

Electronic Stability Control:

Not typically available on 2003 model

Airbags:

Driver and front passenger airbags, Optional side curtain airbags

Seatbelts:

3-point seatbelts with pretensioners for front occupants, 3-point seatbelts for rear occupants

Child Seat Anchors:

LATCH (Lower Anchors and Tethers for Children) system

💡 Technology Features

Audio System:

AM/FM stereo with CD player, Optional Infinity sound system, Optional satellite radio.

Display:

Basic digital display for radio and clock, optional trip computer.

Cruise Control:

Standard

Auxiliary Input:

Typically not available on 2003 models, requires aftermarket integration.

Remote Keyless Entry:

Optional

🔧 Maintenance

Oil Change Interval:

Every 7,500 miles (12,000 km) or 6 months, whichever comes first (under normal driving conditions).

Air Filter Replacement:

Every 30,000 miles (48,000 km) or as needed based on driving conditions.

Spark Plug Replacement:

4.0L: 100,000 miles (160,000 km) (if using platinum plugs); 2.4L: 60,000 miles (96,000 km)

Coolant Flush:

Every 100,000 miles (160,000 km) or 5 years for HOAT coolant.

Engine Oil Type:

SAE 5W-30 (for both 4.0L and 2.4L engines, verify in manual for specific climates)

Engine Oil Capacity:

4.0L: 6 US quarts (5.7 L); 2.4L: 5 US quarts (4.7 L)

Coolant Type:

Mopar Antifreeze/Coolant (HOAT - Hybrid Organic Acid Technology), Pink

Brake Fluid Type:

DOT 3

Power Steering Fluid:

ATF+4 (Chrysler Mopar)

Common Problems:

Cracked cylinder heads (4.0L), Power steering pump leaks, Front sway bar links wear, HVAC blower motor issues, EVAP system leaks, Water pump failures, Radiator leaks.

Repair Manual Benefit:

Provides detailed diagnostic and repair procedures for addressing these common issues.

📚 Vehicle History

Jeep Legacy:

Jeep has a long-standing heritage of producing robust, go-anywhere vehicles, originating from military applications.

Liberty Kj Introduction:

The KJ Liberty was introduced for the 2002 model year, replacing the Cherokee (XJ) in North America. It marked a shift towards a more modern, unibody construction while retaining off-road capability.

Manufacturing Location:

Toledo, Ohio, USA

Production Years Kj Generation:

2002-2007

🏆 Awards & Recognition

Off Road Capability:

Consistently recognized for its segment-leading off-road capability, often praised by off-road enthusiasts.

Consumer Reports:

Variable reliability ratings across different model years and components. Manual is crucial for proactive maintenance.

Emission Standards:

Meets U.S. EPA emission standards for the year of manufacture.