Jeep Liberty Kj 2002 Workshop Service Repair Manual

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🏷️ Basic Information Identification Make: Jeep Model: Liberty Year: 2002 Codes Chassis Code: KJ 👋 Introduction Market Position Segment: Compact SUV / Sport Utility Vehicle. Competitive Analysis Competitors 2002: Honda...

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Description

🏷️ Basic Information

Identification

Make:

Model:

Liberty

Year:

Codes

Chassis Code:

👋 Introduction

Market Position

Segment:

Compact SUV / Sport Utility Vehicle.

Competitive Analysis

Competitors 2002:

Honda CR-V, Toyota RAV4, Ford Escape, Nissan Xterra, Suzuki Vitara.

Key Features

Off Road Capability:

Known for its respectable off-road capability, especially with available 4x4 systems, distinguishing it from more car-like crossovers.

Design Philosophy:

Rugged, utility-focused design with a focus on practicality and Jeep's inherent trail-ready image.

Target Audience

Demographics:

Individuals seeking a versatile, moderately capable SUV for daily driving and light to moderate off-road adventures.

📋 Manual Details

Coverage Areas

Languages:

English

Page Count

Estimated Pages:

Over 2000

Manual Type

Type:

Factory Service Repair Manual (Workshop Manual)

Format

Format:

Digital (Likely PDF, as commonly distributed for this era)

📖 Manual Coverage

Systems Covered

Powertrain:

Engine mechanical, fuel system, cooling system, exhaust system, engine electrical, ignition system, starting and charging system.

Drivetrain:

Transmission (automatic and manual), transfer case, drive shafts, axles, differentials, hubs.

Chassis:

Suspension (front and rear), steering system, brakes (front and rear), wheels and tires.

Electrical:

Body electrical systems, lighting, instruments, audio system, power accessories, wiring diagrams, diagnostic trouble codes (DTCs).

Body:

Body panels, doors, windows, glass, interior trim, bumpers, exterior trim, collision repair.

Procedures Included

Maintenance:

Scheduled maintenance, fluid changes, filter replacements, lubrication.

Diagnostics:

Troubleshooting guides, diagnostic charts, fault code interpretation, electrical system diagnostics.

Repair:

Step-by-step repair instructions for all major mechanical and electrical components, engine overhaul, transmission repair, brake system service, suspension and steering component replacement.

Component Replacement:

Detailed procedures for removing and installing engine components, transmission, axles, suspension parts, steering gear, brake calipers, master cylinder, fuel pump, etc.

Technical Depth

Depth:

Comprehensive: Covers routine maintenance to complete overhaul and diagnostic procedures, suitable for professional technicians and experienced DIY enthusiasts.

📊 Manual Specifications

File Format

Digital Format:

Likely PDF, optimized for searchability and viewing on various devices.

Print Quality

Illustrations Quality:

Detailed illustrations, diagrams, and schematics for clarity in repair and diagnostic procedures.

Binding Type

Binding:

Not applicable for digital format; if a printed version were available, likely a sturdy, professional binding.

Paper Type

Paper Quality:

Not applicable for digital format; original factory manuals were typically printed on durable, matte paper to reduce glare.

⚙️ Engine Specifications

Primary Engine

Engine Code And Type:

42LE (4-speed automatic) Transmission mated to the 3.7L PowerTech V6 engine or the NV1500/NV2550 (5-speed manual) Transmission mated to the 2.4L World Engine.

Engine Details

3.7L V6 Power:

Approximately 205 horsepower @ 5200 RPM

3.7L V6 Torque:

Approximately 235 lb-ft @ 4000 RPM

2.4L I4 Power:

Approximately 150 horsepower @ 5200 RPM

2.4L I4 Torque:

Approximately 165 lb-ft @ 4000 RPM

Fuel System

Injection Type:

Multi-point Fuel Injection (MPI)

Performance

Emission Controls:

California/Federal Emission Systems (depending on market).

Technical Specs

Bore X Stroke 3.7L:

93.0 mm x 80.7 mm

Bore X Stroke 2.4L:

86.5 mm x 94.5 mm

Compression Ratio 3.7L:

9.6:1

Compression Ratio 2.4L:

9.1:1

🔧 Transmission

Standard

Standard Transmission:

2.4L: 5-speed manual (NV1500/NV2550) transmission. 3.7L: 4-speed automatic (42LE) transmission.

Optional

Optional Transmission:

4-speed automatic (42LE) transmission for 2.4L engine. 4-speed automatic (45RFE/545RFE) for 3.7L engine (depending on specific configuration).

Features

Transfer Case:

Command-Trac NV231 (Part-Time 2-Speed Transfer Case) or Selec-Trac NV242 (Full-Time 2-Speed Transfer Case) depending on 4x4 configuration.

Fluid Specifications

Automatic Transmission Fluid:

Mopar ATF+4 (MS-9602) or equivalent.

Manual Transmission Fluid:

Mopar Manual Transmission Lubricant (MS-9070) or equivalent (e.g., GL-3/GL-4 rated gear oil).

Gear Ratios

Manual Gear Ratios Nv1500:

Approx. 1st: 3.96, 2nd: 2.27, 3rd: 1.37, 4th: 1.00, 5th: 0.79, Reverse: 3.56

Automatic Gear Ratios 42Le:

Approx. 1st: 2.74, 2nd: 1.54, 3rd: 1.00, 4th: 0.69, Reverse: 2.20

📐 Dimensions

Exterior

Wheelbase:

Approximately 104.2 inches (2647 mm)

Length:

Approximately 173.5 inches (4407 mm)

Width:

Approximately 71.5 inches (1816 mm)

Height:

Approximately 72.2 inches (1834 mm) with roof rails

Weights

Curb Weight Approx:

3600 - 4100 lbs (1633 - 1860 kg) depending on configuration.

Towing Capacity Max:

Up to 5,000 lbs (2268 kg) when properly equipped.

Wheels And Tires

Standard Tire Size:

P235/70R16

Wheel Bolt Pattern:

5x114.3 mm (5x4.5 inches)

Wheel Size:

16 inches (standard)

🛡️ Safety Features

Ratings

NHTSA Rollover Resistance:

Four-star rating (for 2002 model).

Active Features

Standard Anti-lock Braking System (ABS) on all wheels.

Traction Control:

Available Traction Control System (TCS).

Passive Features

Airbags:

Driver and front passenger airbags.

Seatbelts:

Three-point front seat belts with pretensioners, three-point rear seat belts.

Construction

Body Structure:

Unibody construction with integrated crumple zones.

💡 Technology Features

Infotainment

Audio System Options:

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

Display Type:

Basic digital or analog displays for radio and climate controls. No integrated navigation or large touchscreens in this era.

Driver Assistance

Cruise Control:

Standard cruise control.

Keyless Entry:

Optional keyless entry system.

Connectivity

Auxiliary Input:

Not typically available for this model year.

🔧 Maintenance

Service Intervals

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 (consult manual for specifics).

Air Filter Replacement:

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

Spark Plug Replacement 3.7L:

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

Coolant Flush Interval:

Every 30,000-50,000 miles (48,000-80,000 km) or 3-5 years.

Fluid Specifications

Engine Oil Type:

5W-30 synthetic or synthetic blend recommended for most conditions (refer to manual for specific oil weight and API service classification).

Engine Oil Capacity 3.7L:

Approximately 5 quarts (4.7 liters) with filter change.

Engine Oil Capacity 2.4L:

Approximately 5 quarts (4.7 liters) with filter change.

Coolant Type:

Mopar OAT (Organic Acid Technology) Antifreeze/Coolant, 5-Year/100,000 Mile Formula (or equivalent).

Known Issues

Common Complaints:

Head gasket leaks (especially on early 3.7L V6 models), differential seal leaks, minor electrical gremlins, occasional transmission issues (e.g., solenoid pack failure in 42LE).

Suspension Wear:

Control arm bushings, ball joints, and tie rod ends can experience wear due to the vehicle's weight and intended use.

Technical Specifications

Brake Fluid Type:

DOT 3.

Power Steering Fluid Type:

ATF+4 or Mopar Power Steering Fluid.

📚 Vehicle History

Brand Heritage

Jeep Legacy:

Builds on Jeep's long-standing reputation for 4x4 capability and ruggedness, extending the brand into the compact SUV market.

Model Evolution

First Generation Kj:

The KJ Liberty was introduced for the 2002 model year, replacing the Cherokee (XJ) in North America. It was based on the DaimlerChrysler KJ platform.

Production

Manufacturing Location:

Toledo, Ohio, USA.

Production Years

Kj Generation Years:

2002-2007 (North America).

🏆 Awards & Recognition

Recognitions

Auto By Web Award:

Named 'Sport/Utility of the Year' by AutoPacific Group for 2002.