Jeep LIBERTY KJ Full Service & Repair Manual 2002

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🏷️ Basic Information Identification Make: Jeep Model: Liberty Model Code: KJ Year: 2002 Generation Generation Designation: First Generation (KJ) Generation Years: 2002-2007 Codes Chassis Code: KJ 👋 Introduction Market Position...

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Type: Car

Vendor:

Sku: 399707

Tags: 2002 Car Cars Jeep LIBERTY KJ Misc

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Description

🏷️ Basic Information

Identification

Make:

Model:

Liberty

Model Code:

Year:

Generation

Generation Designation:

First Generation (KJ)

Generation Years:

2002-2007

Codes

Chassis Code:

👋 Introduction

Market Position

Vehicle Segment:

Compact SUV / Crossover

Jeep Brand Positioning:

Known for off-road capability and ruggedness

Competitive Analysis

Key Competitors 2002:

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

Key Features

Vehicle Platform:

Chrysler's compact SUV platform (shared with Dodge Nitro later)

Drivetrain Options:

Available in 2WD (RWD) and 4WD (part-time or full-time selectable 4WD systems)

Body Styles:

Primarily a 5-door SUV, with a shorter 2-door variant (Sport) available in some markets.

📋 Manual Details

Coverage Areas

Manual Coverage Scope:

Comprehensive factory service and repair

Page Count

Estimated Page Count:

High (Specific count not provided, but described as 'Complete Factory Service Repair Workshop Manual')

Manual Type

Manual Type:

Factory Service Manual / Workshop Manual

Language

Language:

English

Format

Format:

Digital Download (Computer, Tablet, Smartphone compatible)

📖 Manual Coverage

Systems Covered

Engine Systems:

Engine mechanical, lubrication, cooling, fuel delivery, ignition, emissions control, engine management (ECM/PCM)

Transmission Systems:

Manual and automatic transmission overhaul, diagnosis, shifting mechanisms, driveline components (transfer case, axles, driveshafts)

Brake Systems:

Front and rear brake systems (disc/drum configurations), ABS, parking brake

Suspension Steering:

Front and rear suspension (independent front, solid rear axle), steering system diagnosis and repair

Electrical Systems:

Battery, starting, charging, lighting, instrument cluster, body electrical (windows, locks, seats), wiring diagrams, fuses, relays

HVAC Systems:

Heating, ventilation, and air conditioning (HVAC) system diagnosis and repair

Body Structure:

Body panel repair, structural components, interior trim, glass replacement

Diagnostics Troubleshooting:

Extensive diagnostic trouble codes (DTCs), symptom-based troubleshooting, diagnostic procedures

Procedures Included

Maintenance Procedures:

Oil changes, filter replacements, fluid checks and top-offs, belt inspections and replacements, spark plug replacement

Repair Procedures:

Component removal, installation, and overhaul for all major systems

Rebuilding Procedures:

Detailed instructions for engine and transmission rebuilding

Diagnostics Testing:

Testing of sensors, actuators, electrical components, and mechanical systems

Specification Data:

Torque specifications, clearances, fluid capacities, component measurements

Wiring Diagrams:

Complete, detailed electrical wiring schematics for all vehicle systems

Technical Depth

Technical Depth Level:

Expert Level (covers basic to advanced repairs and diagnostics)

Diagnostic Tools Required:

Specifies use of OBD-II scan tools, multimeters, pressure gauges, specialized factory tools

Troubleshooting Methodology:

Systematic, symptom-based troubleshooting trees and diagnostic flowcharts

📊 Manual Specifications

File Format

File Format:

Likely PDF (standard for digital service manuals), optimized for digital viewing

Print Quality

Print Quality Potential:

High resolution, suitable for printing individual pages or sections

Binding Type

Binding Type:

N/A (Digital Format)

Paper Type

Paper Type:

N/A (Digital Format)

Searchability

Text Searchability:

Likely text-searchable PDF for efficient information retrieval

Licensing

Licensing Model:

Perpetual license (No expiry dates)

Additional Features

No Extra Fees:

⚙️ Engine Specifications

Primary Engine

Engine Option 1:

2.4L DOHC I4 (GEMA engine)

Engine Code I4:

Displacement I4:

2429 cc (148.2 cu in)

Power I4:

Approx. 147-154 hp @ 5800-6000 rpm (depending on market/tune)

Torque I4:

Approx. 165-170 lb-ft @ 4000 rpm

Fuel System I4:

Multi-point fuel injection (MPFI)

Engine Option 2:

3.7L SOHC V6 (PowerTech)

Engine Code V6:

e.g., EKG

Displacement V6:

3701 cc (225.8 cu in)

Power V6:

Approx. 205 hp @ 5500 rpm

Torque V6:

Approx. 235 lb-ft @ 3500 rpm

Fuel System V6:

Multi-point fuel injection (MPFI)

Performance

Compression Ratio I4:

Approx. 9.5:1

Compression Ratio V6:

Approx. 9.6:1

Engine Cooling System:

Pressurized liquid cooling system

Fuel System

Fuel Type:

Unleaded gasoline

Fuel Tank Capacity:

Approx. 15.1 US gallons (57 L)

🔧 Transmission

Standard

Standard Transmission:

5-speed manual (Getrag NV1500)

Optional

Optional Transmission:

4-speed automatic (Chrysler 42RLE)

Features

Transfer Case 4Wd Manual:

Command-Trac NV132 (part-time, 2WD/4HI/N/4LO)

Transfer Case 4Wd Auto:

Selec-Trac NV235 (full-time 4WD system, with options for 2WD mode on some models)

Rear Axle Ratio:

Commonly 3.73:1 or 4.10:1 (depending on engine and drivetrain)

📐 Dimensions

Exterior

Length:

Approx. 174.4 inches (4430 mm) for 5-door

Width:

Approx. 71.7 inches (1821 mm)

Height:

Approx. 70.0 inches (1778 mm) with roof rails

Wheelbase:

Approx. 104.7 inches (2659 mm)

Interior

Passenger Volume:

Approx. 97.5 cu ft (2761 L)

Cargo

Cargo Volume Behind Rear Seat:

Approx. 32.0 cu ft (906 L)

Cargo Volume With Rear Seat Folded:

Approx. 67.0 cu ft (1897 L)

Weights

Curb Weight:

Approx. 3700-4100 lbs (1678-1860 kg) depending on configuration

Towing Capacity:

Up to 3500 lbs (1588 kg) with optional towing package

🛡️ Safety Features

Ratings

NHTSA Front Impact Driver:

4 Stars (2002 Model)

NHTSA Front Impact Passenger:

4 Stars (2002 Model)

NHTSA Side Impact Front Seat:

4 Stars (2002 Model)

NHTSA Side Impact Rear Seat:

4 Stars (2002 Model)

IIHS Moderate Overlap Frontal Offset:

Acceptable (2002 Model)

Active Features

Standard Anti-lock Braking System (ABS)

Traction Control:

Optional (often part of 4WD systems or as a separate option)

Electronic Stability Control:

Not standard on 2002 models, introduced later in the KJ generation

Passive Features

Airbags Front:

Driver and front passenger airbags standard

Airbags Side:

Optional front-seat side-impact airbags

Seatbelts:

3-point front and rear seatbelts, driver and front passenger pretensioners

💡 Technology Features

Infotainment

Infotainment System 2002:

Basic AM/FM radio with CD player or cassette player. Optional premium sound system available.

Display Type:

Simple LED or LCD displays for radio/clock functions.

Driver Assistance

Cruise Control:

Available

Remote Keyless Entry:

Available on higher trim levels

Connectivity

Auxiliary Input:

Not standard on 2002 models; later models or aftermarket may include.

Bluetooth Connectivity:

Not available on 2002 models.

🔧 Maintenance

Service Intervals

Oil Change Interval Synthetic:

7,500 miles (12,000 km) or 6 months (using synthetic oil)

Oil Change Interval Conventional:

3,000-5,000 miles (4,800-8,000 km) or 3-6 months (using conventional oil)

Air Filter Replacement:

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

Spark Plug Replacement I4:

Approx. 100,000 miles (160,000 km) with platinum-tipped plugs

Spark Plug Replacement V6:

Approx. 100,000 miles (160,000 km) with platinum-tipped plugs

Coolant Flush:

Every 30,000-50,000 miles (48,000-80,000 km) or 2-3 years

Fluid Specifications

Engine Oil Type:

SAE 5W-30 API certified (check owner's manual for specific certifications)

Engine Oil Capacity I4:

Approx. 4.5 US quarts (4.3 L) with filter

Engine Oil Capacity V6:

Approx. 5.0 US quarts (4.7 L) with filter

Transmission Fluid Automatic:

ATF+4 (Chrysler Material Number 05103530AA)

Transmission Fluid Manual:

API GL-5, SAE 75W-90 (for NV1500)

Coolant Type:

HOAT (Hybrid Organic Additive Technology) Mopar OAT Antifreeze/Coolant

Power Steering Fluid:

Mopar Power Steering Fluid or equivalent

Brake Fluid:

DOT 3 (or DOT 4 depending on application)

Known Issues

Common Issue Radiator:

Radiator failure, particularly cracking in the plastic end tanks due to heat and age.

Common Issue Heater Core:

Heater core leaks, often manifesting as a sweet smell inside the cabin or fogging windows.

Common Issue Powertrain Control Module:

Powertrain Control Module (PCM) failures or software issues can cause various drivability problems.

Common Issue U Joints:

Wear and tear on universal joints (U-joints) in the driveshafts, leading to clunking or vibration.

Common Issue Ignition Coils:

Premature failure of ignition coils, leading to misfires and rough running.

Common Issue Window Regulators:

Failure of power window regulators, causing windows to not move or fall into the door.

Common Issue ABS Sensor:

ABS wheel speed sensor failures, illuminating the ABS warning light.

Common Issue Exhaust Manifold:

Cracked exhaust manifolds, especially on the V6 engines, causing exhaust leaks and ticking noises.

📚 Vehicle History

Brand Heritage

Jeep Legacy:

Jeep is a brand with a long history of producing robust, capable off-road vehicles, originating from military vehicles in WWII.

Model Evolution

Liberty Replacement For:

The Liberty (KJ) replaced the Jeep Cherokee (XJ) in North America.

Kj Generation Design:

Characterized by its more rounded styling compared to the boxier XJ, reflecting contemporary SUV design trends.

Mid Cycle Refresh:

Received a facelift and updated powertrains for the 2005 model year.

Production

Production Plant:

Toledo South Assembly Plant, Toledo, Ohio, USA

Production Period:

2001-2007 (for KJ generation)

🏆 Awards & Recognition

Recognitions

Off Road Capability Recognition:

Jeep Liberty KJ generally recognized for its respectable off-road capability within its class, especially with 4WD.

Segment Performance:

A strong contender in the compact SUV market for those prioritizing utility and mild off-road prowess.

Ratings

Consumer Reports Reliability:

Mixed to below-average reliability ratings were often given to the KJ generation in its early years by publications like Consumer Reports.

Certifications

Emissions Certifications:

Compliant with relevant EPA emissions standards for the 2002 model year.