🏷️ Basic Information

Make:

Jeep

Model:

Liberty

Model Code:

KJ

Year:

2006

Drivetrain:

4x4

Steering Position:

Left-Hand Drive (LHD)

Distinguishing Feature:

Without ABB (Anti-lock Brake System or Active Braking)

Chassis Code:

KJ

👋 Introduction

Segment:

Compact SUV / Sport Utility Vehicle

Jeep Heritage:

The Liberty (KJ) continues Jeep's legacy of off-road capability and ruggedness in a more compact package than the Grand Cherokee.

Competitors:

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

Capability:

Strong emphasis on off-road performance for its class, with a robust 4x4 system and respectable ground clearance.

Powertrain Options:

Offered with capable gasoline and diesel (in some markets) engines and available manual or automatic transmissions.

Utility:

Practicality for daily driving combined with utility for adventure activities.

📋 Manual Details

Engine Mechanical:

Complete

Engine Electrical:

Complete

Transmission Manual:

Complete

Transmission Automatic:

Complete

Drivetrain Components:

Complete (Transfer Case, Axles, Driveshafts)

Suspension System:

Complete

Steering System:

Complete

Brake System:

Complete (Excluding ABB specific components)

Fuel System:

Complete

Exhaust System:

Complete

Cooling System:

Complete

HVAC System:

Complete

Body Electrical:

Complete (Interior/Exterior Lighting, Power Accessories)

Body Structure:

Complete (Body Panels, Doors, Glass)

Interior Trim:

Complete

Diagnostics Troubleshooting:

Comprehensive

Estimated Page Count:

1000+

Type:

Service Repair Manual

Language:

English

Format:

PDF

📖 Manual Coverage

Engine Management:

Detailed diagnosis and repair of Powertrain Control Module (PCM), ignition system, fuel injection, emissions control systems.

Transmission Operation:

In-depth coverage of automatic transmission (42RLE) and manual transmission (NV3500) components, operation, diagnostics, and repair procedures.

4Wd System:

Specific information on the NV244 transfer case, front and rear axle assemblies, including lubrication and repair.

Braking Components:

Coverage of disc and drum brake systems, parking brake, hydraulic lines, and caliper/wheel cylinder servicing. Excludes ABB control module diagnostics.

Suspension And Steering:

Detailed explanations for front independent suspension (short-long arm), rear solid axle, steering gear, power steering system, and wheel alignment.

Electrical Architecture:

Comprehensive wiring diagrams, fuse locations, relay assignments, component testing, and diagnostic procedures for all vehicle electrical systems.

Climate Control:

Service procedures for air conditioning, heating, ventilation, and defrost systems.

Safety Systems:

Airbag system component identification and SRS system precautions. Focus is on non-ABB equipped vehicles.

Routine Maintenance:

Oil changes, filter replacements, fluid checks and changes, tire rotation, spark plug replacement, belt inspection/replacement.

Engine Overhaul:

Complete engine disassembly, inspection, repair, and reassembly procedures for specific engine variants.

Transmission Repair:

Step-by-step instructions for transmission removal, disassembly, part replacement, and reinstallation.

Brake Service:

Pad and rotor replacement, caliper servicing, brake fluid bleeding, parking brake adjustment.

Suspension Repair:

Component replacement (shocks, struts, ball joints, control arms), bushing replacement, and wheel bearing service.

Electrical Diagnostics:

Troubleshooting electrical faults using diagnostic trouble codes (DTCs), multimeter testing, and wiring diagram interpretation.

Body Repair:

Procedures for door adjustment, glass replacement, panel repair, and interior trim removal/installation.

Troubleshooting Charts:

Extensive fault diagnosis charts with symptoms, probable causes, and recommended corrective actions.

Special Tools:

Identification and usage instructions for specialized tools required for specific repairs.

Depth:

Comprehensive, covering everything from routine maintenance and minor repairs to complete component overhauls and system diagnostics.

📊 Manual Specifications

File Type:

PDF

Searchability:

Searchable text for quick information retrieval.

Printability:

Printable pages for hands-on workshop use.

Image Quality:

High-resolution diagrams and illustrations.

Quality:

Digital (PDF) - clarity and readability are key.

Binding:

N/A (Digital)

Paper:

N/A (Digital)

⚙️ Engine Specifications

Engine Code Gasoline:

3.7L V6 (EWG)

Engine Displacement Gasoline:

3.7 Liters (226 cu in)

Engine Type Gasoline:

SOHC V6, Cast Iron Block, Aluminum Heads

Horsepower Gasoline 2006:

210 hp @ 5200 rpm

Torque Gasoline 2006:

235 lb-ft @ 4000 rpm

Engine Code Diesel Available:

2.8L CRD (4 JKL) - Check for specific market availability

Engine Displacement Diesel:

2.8 Liters (170 cu in)

Horsepower Diesel:

160 hp @ 3800 rpm (approx.)

Torque Diesel:

300 lb-ft @ 1800 rpm (approx.)

Fuel Delivery Gasoline:

Multi-Port Fuel Injection (MPI)

Fuel Type:

Unleaded Gasoline (87 Octane Recommended)

Fuel System Diesel:

Common Rail Diesel Injection (CRD)

🔧 Transmission

Manual Transmission Code:

NV3500 (5-Speed Manual)

Automatic Transmission Code:

42RLE (4-Speed Automatic)

Transfer Case:

NV244 Command-Trac Part-Time 2-Speed Transfer Case with Electronic Range Select (ERS)

Final Drive Ratio:

3.73 (Typical for 4x4 models)

📐 Dimensions

Length:

174.4 inches (4430 mm)

Width:

72.5 inches (1841 mm)

Height:

70.9 inches (1801 mm)

Wheelbase:

104.2 inches (2647 mm)

Ground Clearance:

8.1 inches (206 mm)

Cargo Volume Behind Rear Seat:

38.0 cu ft (1076 L)

Cargo Volume With Rear Seat Folded:

65.7 cu ft (1860 L)

Curb Weight Approx:

4000-4400 lbs (1814-2000 kg) - varies by configuration

Towing Capacity:

Up to 3500 lbs (1588 kg) with optional trailer tow package

🛡️ Safety Features

NHTSA Frontal Impact Driver:

Good (for 2006 model year, check specific test data)

NHTSA Frontal Impact Passenger:

Good (for 2006 model year, check specific test data)

NHTSA Side Impact Front Seat:

Good (for 2006 model year, check specific test data)

NHTSA Side Impact Rear Seat:

Acceptable (for 2006 model year, check specific test data)

IIHS Small Overlap Front:

N/A (Test not conducted for this model year range)

ABS:

Not equipped (as per 'WITHOUT ABB' designation)

Traction Control:

Optional (Check specific vehicle VIN)

Electronic Stability Control:

Optional (Check specific vehicle VIN)

Airbags Front:

Standard Driver and Passenger Frontal Airbags

Airbags Side:

Optional Side Curtain Airbags (Check specific vehicle VIN)

Seatbelts:

3-point front and rear seatbelts, pretensioners for front seats.

💡 Technology Features

Audio System Options:

Available with AM/FM radio, CD player, and optional Infinity premium audio system with subwoofer.

Navigation:

Rare, typically not an integrated factory option for this model year.

Cruise Control:

Standard on most trims.

Parking Sensors:

Not typically factory equipped for this model year.

Power Outlets:

12V auxiliary power outlets available.

Remote Keyless Entry:

Available on select trims.

🔧 Maintenance

Oil Change Interval:

Every 5,000-7,500 miles (8,000-12,000 km) or 6 months, whichever comes first (depending on driving conditions and oil type used).

Engine Oil Filter Replacement:

Replace with every oil change.

Air Filter Replacement:

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

Spark Plug Replacement 3.7L V6:

Every 100,000 miles (160,000 km) using original equipment (OE) spark plugs.

Transmission Fluid Change Automatic:

Every 30,000-60,000 miles (48,000-96,000 km) for the 42RLE transmission.

Transmission Fluid Change Manual:

Check service manual; typically every 60,000 miles (96,000 km).

Coolant Flush:

Every 30,000-60,000 miles (48,000-96,000 km) with Mopar OAT coolant.

Brake Fluid Flush:

Every 2-3 years or as recommended.

Engine Oil Type:

SAE 5W-30 Synthetic Blend or Full Synthetic

Engine Oil Capacity 3.7L V6:

5.0 US Quarts (4.7 Liters) with filter

Automatic Transmission Fluid Type:

ATF+4 (Mopar)

Automatic Transmission Fluid Capacity 42Rle:

Approx. 6.0 US Quarts (5.7 Liters) for dry fill; check dipstick for level.

Manual Transmission Fluid Type:

API GL-3 or GL-4, SAE 75W-90 Synthetic Gear Lubricant

Transfer Case Fluid Type:

Mopar NV244 Transfer Case Fluid or equivalent (check manual for exact specification)

Coolant Type:

Mopar OAT (Organic Additive Technology) Antifreeze/Coolant (Orange)

Brake Fluid Type:

DOT 3 or DOT 4

Common Problem 3.7L V6 Oil Leaks:

Valve cover gasket leaks, oil filter adapter housing leaks, rear main seal leaks.

Common Problem Transmission Shifting:

Hesitation or rough shifting in the 42RLE automatic transmission can sometimes be attributed to low fluid levels or worn solenoid packs. Manual transmissions are generally robust but clutch wear is normal.

Common Problem Suspension Wear:

Ball joints and control arm bushings can wear over time, leading to clunking noises or alignment issues.

Common Problem Transfer Case Actuator:

Issues with the electronic range select (ERS) actuator on the NV244 transfer case can occur, sometimes related to wiring or the actuator itself.

Common Problem HVAC Blower Motor:

Blower motor failure is a relatively common issue across many vehicles.

📚 Vehicle History

Jeep Legacy:

Founded in 1941, Jeep is synonymous with go-anywhere, do-anything capability, initially for military use.

Kj Generation:

The KJ Liberty, introduced for the 2002 model year, replaced the Cherokee (XJ) in Jeep's lineup. It featured a more modern unibody construction while retaining significant off-road prowess.

2005 Refresh:

The Liberty received a significant refresh for the 2005 model year, including revised styling (front and rear fascia), updated interior, and powertrain improvements.

Manufacturing Plant:

Toledo South Complex, Toledo, Ohio, USA

Production Years:

2002-2007

🏆 Awards & Recognition

Off Road Capability Awards:

Jeep vehicles consistently receive accolades for their off-road prowess. The Liberty KJ is generally well-regarded in its class for ruggedness and trail capability.

Vehicle Type Ratings:

Often cited for its solid construction and durable powertrain for its segment.

Emissions Standards:

Meets EPA emissions standards for the 2006 model year in North America.