🏷️ Basic Information

Make:

Jeep

Model:

Liberty

Generation:

KJ

Model Years Covered:

2003-2004

Chassis Code:

KJ

👋 Introduction

Vehicle Segment:

Compact SUV / Off-road capable vehicle

Target Audience:

Enthusiasts, DIY mechanics, professional workshops servicing Jeep vehicles

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

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

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

Estimated Page Count:

Refer to specific product listing for exact page count; typically 1500+ pages for comprehensive workshop manuals

Type:

Professional Workshop Service and Repair Manual

Synonyms:

Service Manual, Repair Manual, Technical Service Manual (TSM)

Language:

English

Format:

Digital Download (PDF)

📖 Manual Coverage

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

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)

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 Type:

PDF (Portable Document Format)

Searchability:

Searchable text content for quick information retrieval

Printability:

Printable pages for workshop use

Image Resolution:

High-resolution images and diagrams for clarity

Diagram Clarity:

Step-by-step diagrams with clear annotations and callouts

Binding Format:

Digital download (no physical binding)

Paper Quality:

N/A (Digital Format)

⚙️ Engine Specifications

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.

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 Delivery:

Multi-point fuel injection (MPI)

Fuel Type:

Unleaded gasoline (Octane rating as per manufacturer recommendation)

🔧 Transmission

Transmission Type Std:

4-speed automatic transmission (42RLE)

Transmission Type Opt:

5-speed manual transmission (NV1500/NV3500)

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

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)

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

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)

ABS:

Standard Anti-lock Braking System (ABS)

Traction Control:

Optional Traction Control System (TCS)

Electronic Stability:

Optional Electronic Stability Control (ESC)

Airbags:

Frontal airbags, optional side-impact airbags

Seatbelts:

3-point seat belts with pretensioners

💡 Technology Features

Audio System:

Factory AM/FM/CD stereo, optional Infinity sound system with subwoofer.

Navigation:

Optional factory navigation system was available on some trims.

Cruise Control:

Standard cruise control.

Parking Assist:

Rear parking assist sensors were optional.

Auxiliary Input:

Some models may have an auxiliary audio input jack for external devices.

Satellite Radio:

SiriusXM Satellite Radio was an optional feature.

🔧 Maintenance

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)

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

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

Jeep Legacy:

Jeep has a long-standing reputation for robust off-road capability and ruggedness dating back to WWII.

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 Period:

First generation (KJ) produced from 2002 to 2007.

Manufacturing Location:

Belvidere Assembly Plant, Illinois, USA

🏆 Awards & Recognition

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.

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.

Manual Certification:

This manual is equivalent to the official dealer certification for repair procedures, ensuring accuracy and adherence to manufacturer standards.