🏷️ Basic Information

Make:

Jeep

Model:

Liberty

Model Code:

KJ

Years:

2004-2007

Chassis Code:

KJ

👋 Introduction

Segment:

Compact SUV / Off-road oriented SUV

Target Audience:

Owners, DIY mechanics, professional workshops seeking in-depth service information.

Competitors:

Toyota RAV4, Honda CR-V, Ford Escape, Nissan Xterra (during its production era).

Vehicle Appeal:

Jeep's renowned off-road capability, rugged styling, available 4x4 systems.

Value:

Provides dealer-level technical data for maintenance, repair, and diagnostics, empowering users to maintain their vehicles effectively.

📋 Manual Details

General Coverage:

Comprehensive Workshop Service & Repair

Estimated Page Count:

Extensive (specific count not provided, typical for workshop manuals of this era)

Type:

Professional Workshop Manual / Service Manual / Repair Manual

Language:

English

Format:

Digital Download (PDF)

File Format:

PDF

Searchable:

Yes (typically)

Printable:

Yes

Print Quality:

Professional quality scans/digital reproduction with clear diagrams and text.

📖 Manual Coverage

Engine:

All petrol and diesel variants, including engine mechanical, lubrication, cooling, fuel, ignition, emissions, and starting/charging systems.

Transmission:

Manual and automatic transmissions, including clutch, gearbox, transfer case, drive shafts, differentials, and associated controls.

Brakes:

Hydraulic system, ABS, front and rear brake assembly overhaul, parking brake.

Steering:

Power steering system, steering column, steering gear/rack and pinion.

Suspension:

Front and rear suspension components, alignment, shock absorbers, springs.

Electrical:

Complete electrical system, including battery, charging, starting, lighting, instrumentation, body controls, power distribution, fuses, relays, and wiring diagrams.

Body:

Body panels, doors, windows, seats, interior trim, bumpers, exterior trim, HVAC system.

Chassis:

Frame, exhaust system, fuel tank, wheels, tires.

Diagnostics:

Troubleshooting guides, diagnostic procedures, fault code interpretation.

Maintenance:

Scheduled maintenance, fluid changes, filter replacements, lubrication.

Repair:

Step-by-step repair procedures for all major and minor components.

Overhaul:

Complete engine, transmission, and major component overhaul procedures.

Disassembly Assembly:

Detailed instructions for removing and reinstalling all parts and systems.

Troubleshooting:

Systematic diagnostic approaches and solutions for common and uncommon problems.

Specifications:

Torque specifications, clearances, fluid capacities, and other critical measurements.

Wiring Diagrams:

Detailed, color-coded wiring diagrams for all vehicle systems.

Depth:

Comprehensive, from basic maintenance to complete engine/transmission rebuilds and advanced diagnostics.

⚙️ Engine Specifications

Engine Family:

Chrysler PowerTech

Engine Displacement Petrol:

2.4L (2429 cc)

Engine Code Petrol:

ED1 / ED3 (depending on specific configuration)

Cylinders Petrol:

4

Configuration Petrol:

Inline

Horsepower Petrol 2.4L:

Approx. 150 hp @ 5800 rpm

Torque Petrol 2.4L:

Approx. 165 lb-ft @ 4000 rpm

Engine Displacement Petrol V6:

3.7L (3701 cc)

Engine Code Petrol V6:

EKG

Cylinders Petrol V6:

6

Configuration Petrol V6:

V-Type

Horsepower Petrol 3.7L:

Approx. 205 hp @ 5200 rpm

Torque Petrol 3.7L:

Approx. 235 lb-ft @ 4000 rpm

Engine Family:

VM Motori

Engine Displacement Diesel:

2.5L (2499 cc)

Engine Code Diesel:

ENR

Cylinders Diesel:

4

Configuration Diesel:

Inline, Turbocharged Direct Injection (TD)

Horsepower Diesel:

Approx. 140 hp @ 4000 rpm

Torque Diesel:

Approx. 254 lb-ft @ 1800 rpm

Petrol Injection:

Multi-point Fuel Injection (MPI)

Diesel Injection:

Common Rail Direct Injection (CRDI)

🔧 Transmission

Transmission Type Petrol:

5-Speed Manual

Transmission Type Petrol Auto:

4-Speed Automatic (42RLE)

Transmission Type Diesel:

5-Speed Manual

Transmission Type Diesel Auto:

4-Speed Automatic (42RLE)

Drivetrain:

Part-time 4WD (Command-Trac NV132 or Selec-Trac NV232 options) or 2WD

📐 Dimensions

Wheelbase:

Approx. 104.5 inches (2654 mm)

Length:

Approx. 175.4 inches (4455 mm)

Width:

Approx. 72.4 inches (1839 mm)

Height:

Approx. 72.6 inches (1844 mm)

Curb Weight Min:

Approx. 3800 lbs (1724 kg) (Varies by configuration)

Gross Vehicle Weight Rating Gvwr:

Approx. 4900 lbs (2223 kg) (Varies by configuration)

🛡️ Safety Features

NHTSA Frontal Driver:

Good (during its era, specific year may vary)

NHTSA Frontal Passenger:

Good (during its era, specific year may vary)

IIHS Moderate Overlap Frontal Offset:

Acceptable / Good (depending on specific testing year and configuration)

ABS:

Standard on most models

Traction Control:

Available (Traction Control System - TCS)

Electronic Stability Control:

Available (Electronic Stability Program - ESP)

Airbags:

Front airbags, available side curtain airbags

💡 Technology Features

Audio System:

Optional AM/FM/CD/MP3 stereo systems with SiriusXM Satellite Radio capability. Navigation systems were also available on higher trims.

Connectivity:

Limited by era; typically standard radio, optional auxiliary input, and early forms of satellite radio.

Cruise Control:

Standard on most models.

Powertrain Control:

Engine Control Module (ECM) managing fuel injection, ignition, and emissions. Transmission Control Module (TCM) for automatic transmissions.

🔧 Maintenance

Oil Change Interval:

Every 3,000-7,500 miles (5,000-12,000 km) or 6-12 months, depending on oil type and driving conditions (refer to manual for exact specification).

Air Filter Replacement:

Every 15,000-30,000 miles (24,000-48,000 km) or as needed.

Spark Plug Replacement:

Refer to manual; typically 30,000-100,000 miles (48,000-160,000 km) depending on plug type.

Coolant Flush:

Every 30,000-60,000 miles (48,000-96,000 km).

Engine Oil Petrol 2.4L:

SAE 5W-30 (API SN or later), consult manual for exact specification and capacity.

Engine Oil Petrol 3.7L:

SAE 5W-30 (API SN or later), consult manual for exact specification and capacity.

Engine Oil Diesel:

SAE 5W-40 Synthetic Diesel Engine Oil (API CJ-4 or equivalent), consult manual for exact specification and capacity.

Transmission Fluid Auto:

ATF+4 (MS-9602), consult manual for capacity.

Transmission Fluid Manual:

API GL-3 or GL-4 Gear Lubricant (viscosity varies by temperature), consult manual.

Transfer Case Fluid:

Mopar NV232 Transfer Case Lubricant or equivalent, consult manual.

Differential Fluid Front Rear:

API GL-5 Gear Lubricant (viscosity varies by temperature), consult manual.

Coolant:

Mopar OAT (Organic Additive Technology) Antifreeze/Coolant (Orange) or equivalent, consult manual for capacity.

Common Problems:

Examples: Radiator leaks, front suspension component wear (ball joints, control arms), exhaust manifold cracks (especially on V6), power steering pump leaks, electrical gremlins, fuel pump failures, AC system issues.

📚 Vehicle History

Jeep Legacy:

Jeep is an iconic American brand with a long history of producing robust, capable off-road vehicles, tracing its roots back to WWII.

Kj Generation Era:

The KJ Liberty represented Jeep's entry into the compact SUV segment, following the larger Grand Cherokee and Cherokee (XJ) models. It was designed to offer a blend of on-road comfort and traditional Jeep off-road prowess.

Production Years Kj:

2002-2007

Manufacturing Location:

Toledo, Ohio, USA

🏆 Awards & Recognition

Off Road Capability Rating:

Generally well-regarded for its segment due to Jeep's off-road heritage and available 4x4 systems.

Safety Recognition:

Achieved good ratings in front crash tests from NHTSA for its generation, though specific year testing may vary.