🏷️ Basic Information

Make:

Jeep

Model:

Liberty

Year:

2002

Chassis Code:

KJ

Product Name:

Jeep Liberty KJ 2002 Service Repair Workshop Manual

👋 Introduction

Vehicle Segment:

Compact SUV / Off-road vehicle

Key Selling Points:

Off-road capability, rugged styling, Jeep brand heritage

Competitors 2002:

Toyota RAV4, Honda CR-V, Ford Escape, Nissan Xterra, Chevrolet Tracker

Unique Selling Proposition:

True Jeep off-road prowess in a more compact and affordable package than Grand Cherokee

Platform:

Shared platform with Mitsubishi Pajero Sport (second generation)

📋 Manual Details

Engine Coverage:

All gasoline engines

Transmission Coverage:

Automatic and Manual Transmissions

Body Coverage:

Exterior body panels, interior trim, glass, and seals

Electrical Coverage:

Wiring diagrams, lighting, power accessories, ECUs, diagnostic codes

Chassis Coverage:

Suspension, steering, brakes, driveline, axles

Maintenance Coverage:

Scheduled maintenance, fluid changes, lubrication

Diagnostics Coverage:

Troubleshooting procedures, diagnostic trouble codes (DTCs)

Estimated Pages:

1500+

Type:

Workshop Repair Manual

Scope:

Comprehensive Service and Repair

Language:

English

Format:

Digital (PDF)

File Type:

PDF

Searchability:

Fully searchable text

Printability:

Printable pages

Resolution:

High-resolution images and diagrams

Binding:

N/A (Digital)

Paper:

N/A (Digital)

📖 Manual Coverage

Engine Systems:

Engine mechanical, cooling system, fuel system, ignition system, exhaust system, lubrication system, engine control system (ECU)

Transmission Systems:

Automatic transmission (42RLE), Manual transmission (NV1500, NV3550), Transfer case (NV242, NV244)

Brake Systems:

Front disc brakes, rear drum brakes (standard), rear disc brakes (optional), ABS system

Suspension Steering:

Independent front suspension (short/long arm), solid rear axle, power steering system, steering column

Electrical Systems:

Battery, charging system, starting system, lighting, instrument cluster, body control module (BCM), power windows, door locks, audio system, HVAC controls

HVAC System:

Air conditioning, heating, ventilation, climate control

Fuel System Components:

Fuel tank, fuel pump, fuel filter, fuel injectors, fuel pressure regulator

Cooling System Components:

Radiator, water pump, thermostat, cooling fan, coolant hoses

Exhaust System Components:

Exhaust manifold, catalytic converter, mufflers, exhaust pipes

Engine Procedures:

Engine removal and installation, cylinder head removal and installation, piston and connecting rod installation, crankshaft removal and installation, timing chain/belt replacement, oil pan removal and installation

Transmission Procedures:

Transmission fluid and filter change, transmission removal and installation, clutch replacement (manual), torque converter replacement (automatic)

Brake Procedures:

Brake pad replacement, brake rotor replacement, brake caliper overhaul, brake bleeding, parking brake adjustment

Suspension Steering Procedures:

Shock absorber/strut replacement, ball joint replacement, tie rod end replacement, power steering pump replacement, steering gear box adjustment/replacement

Electrical Procedures:

Alternator replacement, starter motor replacement, battery testing and replacement, fuse and relay identification and replacement, headlight/taillight bulb replacement, sensor testing and replacement

HVAC Procedures:

A/C system evacuation and recharge, cabin air filter replacement, blower motor replacement, heater core replacement

Body Procedures:

Door panel removal, bumper cover replacement, headlight assembly replacement, windshield replacement, interior trim panel removal

Diagnostics Troubleshooting:

Step-by-step diagnostic flowcharts for common issues, interpretation of diagnostic trouble codes (DTCs), electrical circuit testing

Depth:

In-depth mechanical and electrical repair procedures, component specifications, torque values, diagnostic information

Level Of Detail:

Suitable for professional mechanics and advanced DIYers

Rebuild Procedures:

Includes detailed procedures for major component overhauls (engine, transmission)

⚙️ Engine Specifications

Engine Name:

2.4L PowerTech Inline-4

Engine Displacement:

2429 cc

Engine Configuration:

Inline-4, DOHC

Bore X Stroke:

92.5 mm x 90.7 mm

Compression Ratio:

9.1:1

Horsepower 2.4L:

154 hp @ 5200 rpm

Torque 2.4L:

220 Nm @ 4000 rpm

Engine Name Optional:

3.7L PowerTech V6

Engine Displacement Optional:

3701 cc

Engine Configuration Optional:

V6, SOHC

Bore X Stroke Optional:

93.0 mm x 90.8 mm

Compression Ratio Optional:

9.1:1

Horsepower 3.7L:

205 hp @ 5200 rpm

Torque 3.7L:

314 Nm @ 4000 rpm

Fuel Delivery:

Electronic Fuel Injection (MPI)

Fuel Type:

Unleaded gasoline

Fuel Tank Capacity:

68 Liters (18 US Gallons)

🔧 Transmission

Transmission Type Standard:

4-speed Automatic (42RLE)

Transmission Type Standard Manual:

5-speed Manual (NV1500/NV3550 on select trims/engines)

Transmission Type Optional:

N/A (42RLE was standard on most models, with manual as an option)

Drivetrain:

2WD (RWD) or 4WD (Part-time Command-Trac NV242 or available Full-time Selec-Trac NV244)

Gear Ratios 42Rle Example:

1st: 2.804, 2nd: 1.532, 3rd: 1.000, 4th: 0.753, Reverse: 2.140

Fluid Type Automatic:

Chrysler ATF+4 (Mopar)

Fluid Type Manual:

API GL-5 SAE 75W-90 Synthetic Gear Lubricant

Transfer Case Fluid:

Mopar NV244 Transfer Case Fluid (or equivalent DEXRON-III H Automatic Transmission Fluid)

📐 Dimensions

Length:

4427 mm (174.3 inches)

Width:

1833 mm (72.2 inches)

Height:

1755 mm (69.1 inches)

Wheelbase:

2649 mm (104.3 inches)

Front Track:

1519 mm (59.8 inches)

Rear Track:

1519 mm (59.8 inches)

Ground Clearance:

205 mm (8.1 inches)

Approach Angle:

38.2 degrees

Departure Angle:

32.2 degrees

Breakover Angle:

25.1 degrees

Passenger Volume:

2730 Liters (96.4 cubic feet)

Cargo Volume Behind Rear Seat:

837 Liters (29.6 cubic feet)

Cargo Volume With Rear Seat Folded:

1929 Liters (68.1 cubic feet)

Curb Weight Min:

1690 kg (3726 lbs) - 2.4L 2WD

Curb Weight Max:

1875 kg (4134 lbs) - 3.7L 4WD

Gross Vehicle Weight Rating:

2336 kg (5150 lbs) approx.

Towing Capacity:

Up to 2045 kg (4500 lbs) with optional towing package

🛡️ Safety Features

NHTSA Frontal Driver 2002:

4/5 Stars

NHTSA Frontal Passenger 2002:

4/5 Stars

NHTSA Side Impact Front 2002:

4/5 Stars

NHTSA Side Impact Rear 2002:

4/5 Stars

IIHS Frontal Offset 2002:

Acceptable

ABS:

Standard Anti-lock Braking System (ABS)

Traction Control:

Optional (on some models)

Airbags Front:

Driver and front passenger airbags

Airbags Side:

Optional front side-impact airbags

Seatbelts:

Three-point seat belts with pretensioners

Child Seat Anchors:

LATCH (Lower Anchors and Tethers for CHildren) system

💡 Technology Features

Audio System Options:

AM/FM stereo with CD player, optional premium Infinity sound system

Display Type:

Analog gauges, basic LCD for odometer and trip computer

Cruise Control:

Standard

Aux Input:

Not standard, may be an aftermarket addition

🔧 Maintenance

Oil Change Interval:

Every 7,500 miles (12,000 km) or 6 months, whichever comes first (under normal driving conditions)

Tire Rotation Interval:

Every 7,500 miles (12,000 km)

Cabin Air Filter Replacement:

Every 15,000 miles (24,000 km) or 12 months

Engine Coolant Flush:

Every 60,000 miles (96,000 km) or 5 years

Spark Plug Replacement 2.4L:

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

Spark Plug Replacement 3.7L:

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

Automatic Transmission Fluid Change:

Every 60,000 miles (96,000 km) or 4 years

Engine Oil Type:

SAE 5W-30, API SN (or equivalent) Synthetic or Conventional

Engine Oil Capacity 2.4L:

4.5 Liters (4.8 US Quarts)

Engine Oil Capacity 3.7L:

5.7 Liters (6.0 US Quarts)

Engine Coolant Type:

Mopar OAT (Organic Additive Technology) Antifreeze/Coolant, 50/50 mix with distilled water

Brake Fluid Type:

DOT 3

Power Steering Fluid Type:

Mopar Power Steering Fluid or DEXRON-III H Automatic Transmission Fluid

Common Issue Radiator:

Cracked plastic end tanks on radiator leading to coolant leaks

Common Issue Ignition:

Failure of the ignition coil (especially on 3.7L V6) leading to misfires

Common Issue Suspension:

Wear in front suspension components (ball joints, tie rod ends) due to off-road use

Common Issue Cv Axles:

Premature wear of front CV axle boots leading to joint failure

Common Issue Power Window Motors:

Failure of power window regulators and motors

Common Issue Brake Wear:

Faster than average brake pad and rotor wear, particularly with aggressive driving or towing

Common Issue Transfer Case Actuator:

Actuator issues in 4WD systems, leading to engagement problems

📚 Vehicle History

Jeep Legacy:

Jeep's long history of producing capable off-road vehicles dating back to WWII

Kj Generation Intro:

First generation Liberty (KJ) introduced for the 2002 model year

Kj Generation Facelift:

Facelifted for the 2005 model year (KK generation followed later)

Kj Development:

Developed under DaimlerChrysler ownership, sharing significant components with Mitsubishi

Assembly Location:

Toledo, Ohio, USA

Production Years Kj:

2002-2007

🏆 Awards & Recognition

4X4 Of The Year 2002:

Recognized by various automotive publications for its off-road capability, often earning '4x4 of the Year' type accolades within its segment

Consumer Reports Rating:

Generally mixed to below-average reliability ratings from consumer organizations during its production run, particularly for later model years

Emissions Standards:

Compliant with EPA emissions standards for the respective model year