🏷️ Basic Information

Make:

Jeep

Model:

Liberty

Year:

2006

Generation Designation:

KJ (First Generation)

Chassis Code:

KJ

👋 Introduction

Vehicle Segment:

Compact SUV / Crossover

Key Selling Points:

Jeep's off-road heritage in a more compact and versatile package, available with capable 4WD systems. Known for its distinctive styling and robust build.

Key Competitors:

Ford Escape, Toyota RAV4, Honda CR-V, Nissan Xterra (though Xterra is more body-on-frame).

Platform:

Unibody construction, shared platform with Mitsubishi Outlander.

Powertrain Options:

Offered with both inline-four and V6 engine options, and available 2WD or 4WD configurations (Command-Trace or Selec-Trac systems).

📋 Manual Details

Systems Overview:

Comprehensive coverage including Engine Systems, Transmission and Transfer Case, Differential & Driveline, Suspension, Brakes, Steering, Fuel System, Exhaust System, Body, Heating & Air Conditioning, Electrical Systems (Audio/Video, Chime/Buzzer, Electronic Control Modules, Horn, Ignition Control, Instrument Cluster, Lamps, Message Systems, Power Systems, Restraints, Speed Control, Vehicle Theft Security, Wipers/Washers, Navigation/Telecommunication), Wiring (Engine), Frame & Bumpers, Emissions Control, Lubrication & Maintenance Schedule, Troubleshooting, and Component/System Index.

Estimated Page Count:

Likely over 1000 pages (typical for a full workshop manual covering all systems).

Type:

Workshop and Repair Manual

Language:

English

Format:

Digital (likely PDF)

📖 Manual Coverage

Engine Mechanical:

Detailed procedures for engine assembly, disassembly, inspection, and repair of all internal and external components for all applicable engine variants (e.g., 3.7L V6 PowerTech, 2.4L DOHC I4). Includes cylinder head, valve train, pistons, connecting rods, crankshaft, oil pump, timing systems.

Engine Fuel And Emissions:

Covers fuel delivery systems (pumps, injectors, lines), evaporative emissions control (EVAP), exhaust systems (catalytic converter, mufflers, sensors), and emission control diagnostics.

Transmission And Drivetrain:

In-depth coverage of automatic transmission (e.g., 42RLE) and manual transmission (if applicable) service, including removal, installation, disassembly, assembly, component testing, and torque specifications. Detailed procedures for transfer case operation, maintenance, and repair. Driveline components including front and rear differentials, axles, CV joints, and driveshafts.

Suspension And Steering:

Complete coverage of front and rear suspension components (struts, shocks, control arms, bushings, ball joints, sway bars) and steering system (rack and pinion, power steering pump, steering column).

Brakes:

Detailed procedures for hydraulic brake systems, including ABS (Antilock Braking System), front and rear brake assembly (discs, calipers, pads, rotors), parking brake system, and brake fluid specifications.

Electrical And Electronics:

Extensive coverage of the vehicle's electrical architecture, including wiring diagrams for all systems, power distribution, battery, charging system (alternator), starting system, ignition system, lighting (headlamps, tail lamps, interior), instrument cluster, body control modules (BCM), engine control modules (ECM), HVAC controls, audio/video systems, power windows/locks, and safety systems (airbags, seatbelt pretensioners).

Body And Chassis:

Procedures for body panel removal/installation, door mechanisms, interior trim, bumpers, frame inspection and repair, and glass replacement.

Heating And Air Conditioning:

Comprehensive guide to HVAC system components, refrigerant handling, diagnosis of heating and cooling faults, blower motor, evaporator, condenser, and climate control module.

Diagnostics:

Includes diagnostic trouble codes (DTCs) and symptom-based troubleshooting charts for all major vehicle systems, aiding in pinpointing issues.

Maintenance:

Detailed maintenance schedules, fluid change intervals, fluid types and capacities, filter replacement procedures, and lubrication points.

Repair:

Step-by-step repair instructions for virtually every component on the vehicle, from minor adjustments to major component overhauls.

Troubleshooting:

Systematic approach to diagnosing and resolving common and uncommon problems, including electrical gremlins, mechanical failures, and performance issues.

Depth:

Extremely high. Suitable for professional technicians and experienced DIY mechanics, covering everything from basic fluid checks to complete engine rebuilds and complex electrical diagnostics.

📊 Manual Specifications

File Type:

PDF

Searchable:

Yes, typically includes searchable text for quick access to information.

Readability:

High resolution, ensuring clear diagrams and text.

Digital Format:

N/A (Digital)

Digital Format:

N/A (Digital)

⚙️ Engine Specifications

Engine 1 Variant:

2.4L DOHC I4 (PowerTech)

Engine 1 Displacement:

2429 cc

Engine 1 Bore X Stroke:

91.0 mm x 92.0 mm

Engine 1 Horsepower:

Approximately 147 hp @ 5800 rpm

Engine 1 Torque:

Approximately 165 lb-ft @ 4000 rpm

Engine 2 Variant:

3.7L SOHC V6 (PowerTech)

Engine 2 Displacement:

3701 cc

Engine 2 Bore X Stroke:

84.5 mm x 82.2 mm

Engine 2 Horsepower:

Approximately 205 hp @ 5200 rpm

Engine 2 Torque:

Approximately 235 lb-ft @ 3800 rpm

Fuel Delivery:

Sequential Multi-Port Fuel Injection (MPI)

Recommended Fuel:

87 Octane Unleaded Gasoline (for both engines, though premium may enhance performance for V6)

Engine Management:

Electronic Engine Control (EEC)

🔧 Transmission

Transmission Type I4:

4-Speed Automatic (42RLE)

Transmission Type V6:

4-Speed Automatic (42RLE)

Transfer Case Options:

Command-Trac NV132 (Part-time 2WD/4WD), Selec-Trac NV244 (Full-time 4WD with 2WD/4WD/4-Low modes).

Automatic Transmission Fluid:

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

Transfer Case Fluid:

Mopar NV244 Transfer Case Fluid or Mercon V ATF.

📐 Dimensions

Wheelbase:

2644 mm (104.1 inches)

Length:

4415 mm (173.8 inches)

Width:

1797 mm (70.7 inches)

Height:

1736 mm (68.3 inches)

Curb Weight I4 2Wd:

Approx. 1600 kg (3527 lbs)

Curb Weight V6 4Wd:

Approx. 1750 kg (3858 lbs)

Towing Capacity:

Up to 3500 lbs (1588 kg) when properly equipped.

Standard Tire Size:

P215/75R16, P235/70R16, or P235/65R17 depending on trim and drivetrain.

Wheel Bolt Pattern:

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

Wheel Size:

16 or 17 inches

🛡️ Safety Features

NHTSA Rollover Resistance:

3 stars (for 2WD and 4WD models).

IIHS Front Crash Test:

Good (for 2006 model year).

ABS:

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

Traction Control:

Available Traction Control System (TCS).

Electronic Stability:

Available Electronic Stability Control (ESC).

Airbags:

Standard front airbags, optional side-impact airbags.

Seatbelts:

Three-point seat belts with pretensioners for front occupants.

💡 Technology Features

Audio Options:

Available AM/FM stereo with CD player, optional Infinity premium sound system, Sirius Satellite Radio capability.

Navigation:

Optional factory navigation system available on higher trim levels.

Cruise Control:

Standard speed control (cruise control) on most models.

Telematics:

Optional Uconnect hands-free communication system might be available depending on exact build specification.

🔧 Maintenance

Oil Change Interval:

Typically every 3,000-7,500 miles (5,000-12,000 km) or 6-12 months, depending on driving conditions and oil type used (refer to owner's manual or specific manual section for precise intervals).

Transmission Service Interval:

Every 30,000-60,000 miles (50,000-100,000 km) for fluid and filter change, or as specified in the manual.

Coolant Flush Interval:

Every 30,000-100,000 miles (50,000-160,000 km) or 2-5 years, depending on coolant type.

Engine Oil:

SAE 5W-30 or SAE 10W-30 (depending on ambient temperature) API Certified meeting Chrysler MS-6395 specification.

Coolant:

Mopar OAT (Organic Additive Technology) Antifreeze/Coolant, HOAT or IAT types as specified. Typically a 50/50 mix with distilled water.

Power Steering Fluid:

Chrysler Power Steering Fluid (MS-10838) or equivalent. Do NOT use Dexron or Mercon.

Common Troubles:

Examples include: Transfer case chain stretch/wear (especially in Selec-Trac), differential leaks, various suspension component wear (ball joints, bushings), power steering pump noise/leaks, AC system issues (leaks, compressor problems), and occasional ECM (Engine Control Module) failures. The 3.7L V6 can experience oil sludge buildup if maintenance is neglected.

📚 Vehicle History

Brand Identity:

Jeep, a division of Chrysler (now Stellantis), is renowned for its off-road capability and iconic vehicles like the Wrangler and Cherokee.

First Generation Launch:

The first generation (KJ) was introduced for the 2002 model year, succeeding the Cherokee (XJ) in Jeep's lineup as the compact SUV offering.

Mid Cycle Refresh:

A minor refresh occurred for the 2005 model year, which included updated styling, interior revisions, and some powertrain enhancements.

Production Period:

2002-2007

Assembly Location:

Toledo, Ohio, USA.

🏆 Awards & Recognition

Offroad Capability Acclaim:

While not winning specific 'Car of the Year' awards in the way some competitors did, the Liberty was generally praised for its Jeep DNA and better-than-average off-road capability for its class.