Jeep LIBERTY KJ Service Repair Manual 2003-2004

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🏷️ Basic Information Identification Make: Jeep Model: Liberty Chassis Code: KJ Model Years Covered: 2003-2004 Generation Generation: First Generation (KJ) Codes Vin Code: 1J4... 👋 Introduction Market Position Vehicle Segment:...

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标签: 2003 2004 Car Cars Jeep LIBERTY KJ Misc

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Description

🏷️ Basic Information

Identification

Make:

Model:

Liberty

Chassis Code:

Model Years Covered:

2003-2004

Generation

Generation:

First Generation (KJ)

Codes

Vin Code:

1J4...

👋 Introduction

Market Position

Vehicle Segment:

Compact SUV / Off-road oriented SUV

Key Selling Points:

Jeep's legendary off-road capability in a more compact and affordable package

Competitive Analysis

Key Competitors 2003-2004:

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

Key Features

Jeep Brand Heritage:

Carries the Jeep DNA for off-road prowess, though less extreme than Wrangler or Grand Cherokee

Manual Value Proposition:

Empowers owners and technicians with professional-level diagnostic and repair information, saving time and money on repairs

📋 Manual Details

Coverage Areas

All Models Covered:

Repair Topics Covered:

All Repairs A-Z

Page Count

Estimated Page Count:

Extensive (Typically 2000+ pages for a full factory service manual)

Manual Type

Manual Type:

Service and Repair Workshop Manual

Language

Language:

English

Format

Format:

📖 Manual Coverage

Systems Covered

Engine Mechanical:

Complete overhaul, diagnostics, tuning, emission controls

Engine Management System:

Fuel injection, ignition system, sensors, actuators, ECU diagnostics, OBD-II troubleshooting

Transmission Manual:

Service, repair, and overhaul of manual transmissions (if applicable to models covered)

Transmission Automatic:

Service, repair, and overhaul of automatic transmissions, including torque converter, valve body, and electronic controls

Drivetrain:

Front-wheel drive, rear-wheel drive, four-wheel drive systems (NV131, NV231 transfer case for KJ), differentials, axles, CV joints

Suspension System:

Front and rear suspension components, shock absorbers, springs, control arms, bushings, alignment procedures

Steering System:

Power steering pump, rack and pinion, steering column, linkages, troubleshooting

Brake System:

Front and rear disc brakes, ABS system, hydraulic components, bleeding procedures, parking brake

Electrical System:

Battery, charging system, starting system, lighting, fuses, relays, wiring diagrams

Body And Chassis:

Body panels, doors, windows, sunroof, interior trim, underbody, corrosion protection

Heating Ventilation Air Conditioning HVAC:

Component testing, refrigerant handling, system diagnostics, climate control

Safety Systems:

Airbag system, seat belts, SRS diagnostics

Wheels And Tires:

Wheel mounting, tire pressure, specifications, balancing

Procedures Included

Routine Maintenance:

Oil changes, filter replacements, fluid checks and top-offs, tire rotations

Scheduled Maintenance:

Detailed service intervals for all major components and fluids

Diagnostic Procedures:

Step-by-step troubleshooting for common and uncommon issues, DTC code explanations

Repair And Replacement:

Detailed instructions for component removal, repair, and installation

Rebuilding Procedures:

Comprehensive instructions for overhauling major components like engines and transmissions

Wiring Diagrams:

Full color, component-specific wiring schematics for all electrical systems

Specifications And Tolerances:

Torque values, clearances, fluid capacities, electrical specifications

Special Tools:

Identification and usage of specialized tools required for specific repair procedures

Technical Depth

Depth Of Coverage:

Expert level, covering all aspects from basic maintenance to complete engine and transmission rebuilds

Diagnostic Capability:

Extensive diagnostic trouble codes (DTCs) and flowcharts for pinpointing issues

Component Level Detail:

Detailed diagrams and instructions for every major and minor component

📊 Manual Specifications

File Format

File Format:

PDF (Portable Document Format)

Searchability:

Likely searchable text for quick information retrieval

Print Quality

Print Quality:

High-resolution, suitable for printing individual pages or sections

Binding Type

Binding Type:

N/A (Digital PDF format)

Paper Type

Paper Type:

N/A (Digital PDF format)

⚙️ Engine Specifications

Primary Engine

Engine Code 2003:

2.4L PowerTech Inline-4 (EDG)

Engine Code 2004:

2.4L PowerTech Inline-4 (EDG)

Engine Displacement Inline4:

2351 cc (143.5 cu in)

Engine Configuration Inline4:

Inline 4-Cylinder

Engine Valvetrain Inline4:

SOHC, 16 valves

Horsepower Inline4:

150 hp @ 5200 rpm (approximate, varies slightly by year)

Torque Inline4:

170 lb-ft @ 3200 rpm (approximate, varies slightly by year)

Optional Engine

Engine Code Optional:

2.8L VM Motori CRD Turbo Diesel (EER)

Engine Displacement Diesel:

2776 cc (169.4 cu in)

Engine Configuration Diesel:

Inline 4-Cylinder, Turbocharged Diesel

Engine Valvetrain Diesel:

SOHC, 16 valves (Common Rail Direct Injection)

Horsepower Diesel:

150 hp @ 3800 rpm

Torque Diesel:

260 lb-ft @ 1800 rpm

Performance

Fuel Type Inline4:

Unleaded Gasoline

Fuel Type Diesel:

Diesel Fuel

Fuel System

Fuel Injection Inline4:

Sequential Multi-Port Fuel Injection (MPI)

Fuel Injection Diesel:

Common Rail Direct Injection (CRD)

🔧 Transmission

Standard

Standard Transmission Type:

4-speed Automatic Transmission (42RLE)

Optional

Optional Transmission Type:

5-speed Manual Transmission (NV3500, common with 2.4L)

Features

Transfer Case:

Command-Trac NV131 or NV231 (Part-time 2-speed, with Neutral option)

Drivetrain Options:

2WD (Rear Wheel Drive) or 4WD (Four Wheel Drive)

📐 Dimensions

Exterior

Length:

173.5 inches (4407 mm)

Width:

72.4 inches (1839 mm)

Height:

67.4 inches (1712 mm) (without roof rails)

Wheelbase:

104.1 inches (2644 mm)

Ground Clearance:

8.5 inches (216 mm)

Weights

Curb Weight Min:

3,650 lbs (1656 kg) (2.4L 2WD)

Curb Weight Max:

4,250 lbs (1928 kg) (2.8L CRD 4WD)

Cargo

Cargo Volume Behind First Row:

65.7 cu ft (1860 L)

Cargo Volume Behind Second Row:

38.4 cu ft (1087 L)

🛡️ Safety Features

Ratings

NHTSA Frontal Driver:

Good (5-star rating was common for SUVs of this era, but specific KJ data may vary and requires manual confirmation)

NHTSA Frontal Passenger:

Good (5-star rating was common for SUVs of this era, but specific KJ data may vary and requires manual confirmation)

NHTSA Side Driver:

Acceptable/Good (Specific KJ ratings may vary)

NHTSA Side Passenger:

Acceptable/Good (Specific KJ ratings may vary)

IIHS Frontal Offset:

Good (Commonly rated well by IIHS for its class)

Active Features

Standard Anti-lock Braking System

Traction Control:

Optional Traction Control System (TCS)

Passive Features

Airbags:

Driver and front passenger airbags, optional side curtain airbags

Seat Belts:

Three-point seat belts with pretensioners

💡 Technology Features

Infotainment

Infotainment System Options:

Factory AM/FM stereo with CD player, optional Infinity premium sound system, SiriusXM Satellite Radio readiness

Driver Assistance

Driver Assistance Features:

Limited by modern standards; primarily ABS and optional traction control. No advanced driver-assistance systems (ADAS) like adaptive cruise control or lane keeping assist.

Connectivity

Connectivity Features:

Limited to basic radio and optional satellite radio. No Bluetooth or USB ports as standard on these early models.

🔧 Maintenance

Service Intervals

Oil Change Interval Gasoline:

Every 7,500 miles (12,000 km) or 6 months, whichever comes first (using synthetic blend or full synthetic oil)

Oil Change Interval Diesel:

Every 5,000 miles (8,000 km) or 6 months, whichever comes first (using appropriate diesel engine oil)

Air Filter Replacement:

Inspect every 15,000 miles (24,000 km), replace as needed or every 30,000 miles (48,000 km)

Coolant Flush Interval:

Every 100,000 miles (160,000 km) or 5 years for initial change, then every 50,000 miles (80,000 km) or 3 years

Fluid Specifications

Engine Oil Spec Gasoline:

SAE 5W-30 (API SN or equivalent, meeting Chrysler MS-6395 specification)

Engine Oil Spec Diesel:

SAE 15W-40 (API CJ-4 or ACEA E7/E9 specification, meeting Chrysler MS-10850 specification for diesel)

Transmission Fluid Automatic:

Mopar ATF+4 (MS-9602)

Transmission Fluid Manual:

Mopar Manual Transmission Lubricant (or equivalent meeting specifications, typically GL-4 or GL-5 rated)

Coolant Type:

Chrysler HOAT (Hybrid Organic Additive Technology) Antifreeze/Coolant (Orange)

Brake Fluid Type:

DOT 3

Power Steering Fluid:

Mopar Power Steering Fluid (or Dexron III/Mercon compatible fluid)

Known Issues

Common Issue Death Wobble:

Front-end shimmy or 'death wobble' often attributed to worn steering components (tie rod ends, ball joints) or loose track bar.

Common Issue Evap Canister:

Evaporative Emission (EVAP) system issues, particularly charcoal canister leaks or vent valve failures, leading to P0440-P0457 codes.

Common Issue Oil Cooler Lines:

Leaking oil cooler lines on the 2.8L CRD diesel engine.

Common Issue Radiator:

Cracking plastic end tanks on the radiator, leading to coolant leaks.

Common Issue Window Regulators:

Failure of power window regulators.

📚 Vehicle History

Brand Heritage

Jeep Legacy:

Jeep, a brand with deep roots in military vehicles and off-road capability, established by Willys-Overland in WWII.

Model Evolution

Kj Introduction:

The KJ Liberty replaced the Cherokee (XJ) in the Jeep lineup in North America for the 2002 model year.

Kj Design Philosophy:

Designed to offer Jeep's rugged image and off-road capability in a unibody chassis, offering a more car-like ride than traditional body-on-frame SUVs.

Production

Production Plant:

Toledo South Complex, Toledo, Ohio, USA

Production Years:

2002-2007

🏆 Awards & Recognition

Recognitions

Off Road Capability Recognition:

Praised for its off-road capability, especially with the Freedom Drive II 4WD system, often outperforming its more car-like competitors in rough terrain.

Diesel Engine Recognition:

The 2.8L CRD diesel engine offered competitive fuel economy for an SUV of its size and a strong torque band, praised for its utility.

Ratings

Consumer Reports Ratings:

Generally rated average to below average for reliability in its early years by publications like Consumer Reports, with specific issues noted.