Jeep LIBERTY KJ Full Service & Repair Manual 2003-2004

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🏷️ Basic Information Identification Make: Jeep Model: Liberty Generation Code: KJ Model Years Covered: 2003-2004 👋 Introduction Market Position Vehicle Segment: Compact SUV, known for its rugged styling and off-road capability, positioned as a more affordable and accessible Jeep product. Competitive Analysis Key Competitors: Ford Escape, Toyota RAV4, Honda CR-V, Nissan Xterra, Subaru Forester. Key Features Nj Kj Platform: Built on the Chrysler Group's 'Compact' platform, shared with models like the Dodge Neon and PT Cruiser, but heavily modified for SUV application. Design Philosophy: Emphasized Jeep's distinctive styling cues with a boxy, utilitarian design, capable off-road features, and robust construction. Target Audience Buyer Profile: Individuals seeking a capable, stylish SUV for everyday driving and light to moderate off-road adventures, with a focus on practicality and value. 📋 Manual Details Coverage Areas Manual Type: Factory Service Repair Workshop Manual Language: English Format: Digital Download (Computer, Tablet, Smartphone) Licensing Model: No Expiry Dates, No Extra Fees Manual Specifications File Format: Likely PDF, optimized for digital devices. Print Quality: Designed for clear digital display, likely printable at home or professionally. Binding Type: N/A (Digital Format) Paper Type: N/A (Digital Format) 📖 Manual Coverage Systems Covered Engine Mechanical: Complete engine overhaul, disassembly, assembly, component testing, timing procedures, lubrication system, cooling system, fuel delivery, exhaust system. Engine Management: Ignition system, emissions control, fuel injection system (MPI), diagnostic trouble codes (DTCs), sensor testing, ECU operation, component locations. Transmission Manual: Disassembly, assembly, inspection, repair of manual gearbox, clutch system, shifter mechanism, driveline components. Transmission Automatic: Overhaul, adjustment, troubleshooting of automatic transmission, valve body operation, torque converter, transmission control module (TCM), fluid and filter service. Drivetrain 4Wd: Transfer case operation and repair, front and rear axle assemblies, differentials, CV joints, propeller shafts, wheel hubs. Braking System: Front and rear disc brake systems, ABS system operation and diagnostics, brake fluid flush and bleeding procedures, parking brake system, component replacement (pads, rotors, calipers). Suspension Steering: Front and rear suspension components (struts, shocks, control arms, ball joints, sway bars), steering system (rack and pinion, power steering pump, steering column), wheel alignment specifications. Electrical System: Wiring diagrams for all vehicle systems, battery, charging system (alternator), starting system (starter motor), lighting system (headlamps, taillamps, interior lights), accessory circuits. Body And Chassis: Body panel removal and installation, door mechanisms, glass replacement, interior trim components, underbody components, frame repair (if applicable), corrosion prevention. HVAC System: Air conditioning system service, refrigerant charging, heating system operation, blower motor, climate control modules, cabin air filter replacement. Safety Systems: Airbag system operation and diagnostics, seat belt mechanisms, SRS module testing. Procedures Included Routine Maintenance: Oil changes, filter replacements (oil, air, fuel, cabin), spark plug replacement, coolant flushes, brake fluid replacement, tire rotation, lubrication points. Diagnostic Troubleshooting: Systematic diagnostic procedures for common and complex issues, using diagnostic trouble codes (DTCs), pinpoint tests, component testing methodologies. Component Replacement: Detailed step-by-step instructions for replacing major and minor components across all vehicle systems. Rebuild Procedures: Comprehensive instructions for complete engine, transmission, and differential rebuilds, including specifications and clearances. Torque Specifications: Precise torque values for all fasteners and critical engine, chassis, and suspension components. Wiring Diagrams: Detailed and clearly labeled electrical wiring diagrams for all vehicle systems, aiding in electrical troubleshooting and repair. Special Tools: Identification and usage instructions for specialized tools required for specific repair and maintenance procedures. Technical Depth Depth Level: Factory-level diagnostic and repair procedures. Diagnostic Approach: Comprehensive, systematic approach to diagnosing faults, including symptom analysis, DTC interpretation, and pinpoint tests. Electrical Diagnostics: Advanced electrical diagnostics, including circuit testing, voltage drop testing, continuity checks, and component resistance measurements. Mechanical Diagnostics: Detailed mechanical diagnostics for engine performance issues, drivability problems, suspension noises, and brake system faults. ⚙️ Engine Specifications Primary Engine 2003 2004 Engine Code: 2.4L PowerTech (ED3) Engine Type: Inline 4-cylinder, DOHC, 16 valves Displacement: 2351 cc (143.5 cubic inches) Bore X Stroke: 87.5 mm x 98.0 mm (3.44 in x 3.86 in) Compression Ratio: 9.4:1 Horsepower Net: 154 hp @ 5800 rpm (approx.) Torque Net: 169 lb-ft @ 4000 rpm (approx.) Fuel System: Electronic Multi-Point Fuel Injection (MPI) Fuel Type: Unleaded Gasoline, 87 Octane (87 AKI) minimum recommended Optional Engine 2003 2004 Engine Code: 3.7L PowerTech V6 (EER) Engine Type: V6, SOHC, 12 valves Displacement: 3701 cc (225.8 cubic inches) Bore X Stroke: 87.5 mm x 103.0 mm (3.44 in x 4.06 in) Compression Ratio: 9.6:1 Horsepower Net: 210 hp @ 5200 rpm (approx.) Torque Net: 235 lb-ft @ 4000 rpm (approx.) Fuel System: Electronic Multi-Point Fuel Injection (MPI) Fuel Type: Unleaded Gasoline, 87 Octane (87 AKI) minimum recommended 🔧 Transmission Standard Transmission 2.4L Type: 5-Speed Manual Transfer Case: NV134 (Command-Trac NV231 with low range) Optional Transmission 2.4L And 3.7L Type: 4-Speed Automatic (42RLE) Transfer Case: NV134 (Command-Trac NV231 with low range) Features Transmission Fluid Manual: Mopar ATF+4 (MS-9602) Transmission Fluid Automatic: Mopar ATF+4 (MS-9602) 📐 Dimensions Exterior Length Value:...

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Typ: Car

Anbieter:

Art.-Nr: 399705

Sammlungen: ALL Jeep

Verfügbarkeit: Auf Lager

Stichworte: 2003 2004 Car Cars Jeep LIBERTY KJ Misc

Produktvarianten

Beschreibung

🏷️ Basic Information

Identification

Make:

Model:

Liberty

Generation Code:

Model Years Covered:

2003-2004

👋 Introduction

Market Position

Vehicle Segment:

Compact SUV, known for its rugged styling and off-road capability, positioned as a more affordable and accessible Jeep product.

Competitive Analysis

Key Competitors:

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

Key Features

Nj Kj Platform:

Built on the Chrysler Group's 'Compact' platform, shared with models like the Dodge Neon and PT Cruiser, but heavily modified for SUV application.

Design Philosophy:

Emphasized Jeep's distinctive styling cues with a boxy, utilitarian design, capable off-road features, and robust construction.

Target Audience

Buyer Profile:

Individuals seeking a capable, stylish SUV for everyday driving and light to moderate off-road adventures, with a focus on practicality and value.

📋 Manual Details

Coverage Areas

Manual Type:

Factory Service Repair Workshop Manual

Language:

English

Format:

Digital Download (Computer, Tablet, Smartphone)

Licensing Model:

No Expiry Dates, No Extra Fees

Manual Specifications

File Format:

Likely PDF, optimized for digital devices.

Print Quality:

Designed for clear digital display, likely printable at home or professionally.

Binding Type:

N/A (Digital Format)

Paper Type:

N/A (Digital Format)

📖 Manual Coverage

Systems Covered

Engine Mechanical:

Complete engine overhaul, disassembly, assembly, component testing, timing procedures, lubrication system, cooling system, fuel delivery, exhaust system.

Engine Management:

Ignition system, emissions control, fuel injection system (MPI), diagnostic trouble codes (DTCs), sensor testing, ECU operation, component locations.

Transmission Manual:

Disassembly, assembly, inspection, repair of manual gearbox, clutch system, shifter mechanism, driveline components.

Transmission Automatic:

Overhaul, adjustment, troubleshooting of automatic transmission, valve body operation, torque converter, transmission control module (TCM), fluid and filter service.

Drivetrain 4Wd:

Transfer case operation and repair, front and rear axle assemblies, differentials, CV joints, propeller shafts, wheel hubs.

Braking System:

Front and rear disc brake systems, ABS system operation and diagnostics, brake fluid flush and bleeding procedures, parking brake system, component replacement (pads, rotors, calipers).

Suspension Steering:

Front and rear suspension components (struts, shocks, control arms, ball joints, sway bars), steering system (rack and pinion, power steering pump, steering column), wheel alignment specifications.

Electrical System:

Wiring diagrams for all vehicle systems, battery, charging system (alternator), starting system (starter motor), lighting system (headlamps, taillamps, interior lights), accessory circuits.

Body And Chassis:

Body panel removal and installation, door mechanisms, glass replacement, interior trim components, underbody components, frame repair (if applicable), corrosion prevention.

HVAC System:

Air conditioning system service, refrigerant charging, heating system operation, blower motor, climate control modules, cabin air filter replacement.

Safety Systems:

Airbag system operation and diagnostics, seat belt mechanisms, SRS module testing.

Procedures Included

Routine Maintenance:

Oil changes, filter replacements (oil, air, fuel, cabin), spark plug replacement, coolant flushes, brake fluid replacement, tire rotation, lubrication points.

Diagnostic Troubleshooting:

Systematic diagnostic procedures for common and complex issues, using diagnostic trouble codes (DTCs), pinpoint tests, component testing methodologies.

Component Replacement:

Detailed step-by-step instructions for replacing major and minor components across all vehicle systems.

Rebuild Procedures:

Comprehensive instructions for complete engine, transmission, and differential rebuilds, including specifications and clearances.

Torque Specifications:

Precise torque values for all fasteners and critical engine, chassis, and suspension components.

Wiring Diagrams:

Detailed and clearly labeled electrical wiring diagrams for all vehicle systems, aiding in electrical troubleshooting and repair.

Special Tools:

Identification and usage instructions for specialized tools required for specific repair and maintenance procedures.

Technical Depth

Depth Level:

Factory-level diagnostic and repair procedures.

Diagnostic Approach:

Comprehensive, systematic approach to diagnosing faults, including symptom analysis, DTC interpretation, and pinpoint tests.

Electrical Diagnostics:

Advanced electrical diagnostics, including circuit testing, voltage drop testing, continuity checks, and component resistance measurements.

Mechanical Diagnostics:

Detailed mechanical diagnostics for engine performance issues, drivability problems, suspension noises, and brake system faults.

⚙️ Engine Specifications

Primary Engine 2003 2004

Engine Code:

2.4L PowerTech (ED3)

Engine Type:

Inline 4-cylinder, DOHC, 16 valves

Displacement:

2351 cc (143.5 cubic inches)

Bore X Stroke:

87.5 mm x 98.0 mm (3.44 in x 3.86 in)

Compression Ratio:

9.4:1

Horsepower Net:

154 hp @ 5800 rpm (approx.)

Torque Net:

169 lb-ft @ 4000 rpm (approx.)

Fuel System:

Electronic Multi-Point Fuel Injection (MPI)

Fuel Type:

Unleaded Gasoline, 87 Octane (87 AKI) minimum recommended

Optional Engine 2003 2004

Engine Code:

3.7L PowerTech V6 (EER)

Engine Type:

V6, SOHC, 12 valves

Displacement:

3701 cc (225.8 cubic inches)

Bore X Stroke:

87.5 mm x 103.0 mm (3.44 in x 4.06 in)

Compression Ratio:

9.6:1

Horsepower Net:

210 hp @ 5200 rpm (approx.)

Torque Net:

235 lb-ft @ 4000 rpm (approx.)

Fuel System:

Electronic Multi-Point Fuel Injection (MPI)

Fuel Type:

Unleaded Gasoline, 87 Octane (87 AKI) minimum recommended

🔧 Transmission

Standard Transmission 2.4L

Type:

5-Speed Manual

Transfer Case:

NV134 (Command-Trac NV231 with low range)

Optional Transmission 2.4L And 3.7L

Type:

4-Speed Automatic (42RLE)

Transfer Case:

NV134 (Command-Trac NV231 with low range)

Features

Transmission Fluid Manual:

Mopar ATF+4 (MS-9602)

Transmission Fluid Automatic:

Mopar ATF+4 (MS-9602)

📐 Dimensions

Exterior Length

Value:

175.1 inches (4448 mm)

Exterior Width

Value:

72.3 inches (1836 mm)

Exterior Height

Value:

68.7 inches (1745 mm)

Wheelbase

Value:

104.2 inches (2647 mm)

Ground Clearance

Value:

8.1 inches (206 mm) (typical)

Curb Weight

Value 2.4L 4Wd:

3795 lbs (1721 kg) (approx.)

Value 3.7L 4Wd:

3940 lbs (1787 kg) (approx.)

Cargo Volume Behind Rear Seat

Value:

38.2 cubic feet (1081 liters)

Cargo Volume With Rear Seat Folded

Value:

63.0 cubic feet (1784 liters)

Towing Capacity

Value 2.4L:

2,000 lbs (907 kg)

Value 3.7L:

3,500 lbs (1588 kg)

🛡️ Safety Features

Ratings

NHTSA Front Driver:

5-Star (2003 model year)

NHTSA Front Passenger:

5-Star (2003 model year)

IIHS Front Offset Crash:

Good (2003 model year)

Active Features

Standard (4-wheel anti-lock braking system)

Traction Control:

Optional on some trims, standard on higher trims.

Passive Features

Airbags Front:

Driver and front passenger airbags

Airbags Side:

Optional front side-impact airbags

Seat Belts:

Three-point seat belts with pretensioners and load limiters.

💡 Technology Features

Infotainment

Audio System:

Base systems typically featured AM/FM stereo with CD player. Premium Infinity sound systems were optional.

Display:

Basic LCD screen for radio display. No advanced touchscreen or navigation typically found in this generation.

Driver Assistance

Cruise Control:

Standard on most models.

Connectivity

Auxiliary Input:

Rarely standard on 2003-2004 models; may have been an aftermarket addition.

Bluetooth:

Not typically available from the factory for these model years.

🔧 Maintenance

Service Intervals Oil Engine

Interval Normal Use:

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

Interval Severe Use:

Every 3,750 miles (6,000 km) or 3 months, whichever comes first.

Fluid Specifications Engine Oil

Type 2.4L:

SAE 5W-30, API Certified (Chrysler MS-6395)

Type 3.7L:

SAE 5W-30, API Certified (Chrysler MS-6395)

Fluid Specifications Coolant

Type:

Mopar Antifreeze/Coolant HOAT (5-Year/100,000 Mile Formula), or equivalent OAT/HOAT compatible coolant (e.g., Zerex G-05).

Fluid Specifications Brake Fluid

Type:

DOT 3 or DOT 4 brake fluid.

Fluid Specifications Power Steering Fluid

Type:

Mopar Power Steering Fluid or equivalent DEXRON III/MERCON ATF.

Known Issues Common

Topic 1:

Front Differential Failure: Premature wear or failure of the front differential, especially in 4WD models, often due to lubrication issues or manufacturing defects.

Topic 2:

Blend Door Actuator Failure (HVAC): The HVAC blend door actuators can fail, leading to incorrect air temperature or inability to switch between air vents.

Topic 3:

Sway Bar Links and Bushings: Wear and tear on sway bar links and bushings can lead to clunking noises over bumps.

Topic 4:

Radiator Issues: Premature leaks or clogging of the radiator can occur, impacting cooling performance.

Topic 5:

Power Steering Pump Leaks: Leaks from the power steering pump or hoses can lead to loss of assist and noisy steering.

Maintenance Schedule Key Items

Item 1 Interval:

Engine Oil & Filter: 7,500 miles / 6 months

Item 2 Interval:

Engine Air Filter: 15,000 miles / 12 months

Item 3 Interval:

Cabin Air Filter: 15,000 miles / 12 months

Item 4 Interval:

Spark Plugs (2.4L): 100,000 miles (or refer to manual for replacement intervals based on severe use).

Item 5 Interval:

Spark Plugs (3.7L V6): 100,000 miles (or refer to manual for replacement intervals based on severe use).

Item 6 Interval:

Brake Fluid Flush: Every 24 months, regardless of mileage.

Item 7 Interval:

Coolant Replacement: Every 5 years or 100,000 miles (first change), then every 3 years or 50,000 miles thereafter.

Item 8 Interval:

Automatic Transmission Fluid & Filter: Every 60,000 miles or as per severe service schedule.

📚 Vehicle History

Brand Heritage

Jeep Legacy:

Jeep has a long-standing reputation for producing rugged, go-anywhere vehicles, originating from its military roots in WWII.

Model Evolution

Kj Introduction:

The KJ Liberty replaced the Cherokee (XJ) in Jeep's lineup in North America, representing a shift to a unibody construction for improved ride comfort and packaging, while retaining Jeep's signature capability.

Kj Generation Timeline:

First generation (KJ) produced from 2002 to 2007. The 2003-2004 models represent the initial production years of this generation.

Production

Assembly Location:

Toledo, Ohio, USA.

Production Years Kj

Model Years:

2002-2007

🏆 Awards & Recognition

Recognitions

North American Truck Of The Year:

Jeep Liberty was named North American Truck of the Year for 2003.

Ratings

Kes Ratings:

Generally received favorable ratings for its off-road capability and value proposition, though interior quality and some powertrain aspects were noted as areas for improvement.