🏷️ Basic Information

Make:

Jeep

Model:

Liberty

Model Code:

KJ

Year:

2005-2007

Generation Designation:

First Generation KJ

Generation Production Years:

2002-2007

Chassis Code:

KJ

👋 Introduction

Segment:

Compact SUV / Sport Utility Vehicle

Brand Appeal:

Jeep is known for its off-road capability and rugged image, which the Liberty KG aimed to capture in a more compact package.

Key Competitors:

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

Powertrain Options:

Offered a range of gasoline and diesel engines, catering to different market preferences and fuel economy needs. Known for its optional diesel engine in many markets.

Chassis Design:

Utilized a unibody construction with independent front suspension and a solid rear axle, providing a balance of on-road comfort and off-road durability.

Off Road Systems:

Features like Selec-Trac NV242 transfer case (optional on some models) with full-time 4WD capability, and Command-Trac NV135 (standard on 2WD) or NV242 (optional on 4WD) offered varying levels of off-road traction.

📋 Manual Details

Primary Focus:

Factory Service and Repair

Specific Topics:

Powertrain, Diesel Powertrain, Body, Chassis, Diesel Transmission, Lubrication and Maintenance, Suspension, Differential and Driveline, Brakes, Clutch, Cooling System, Battery, Starting Systems, Charging System, Ignition System, Instrument Panel Systems, Audio Systems, Horn Systems, Speed Control System, Turn Signal and Hazard Warning Systems, Wiper and Washer Systems, Lamps, Passive Restraint Systems, Electrically Heated System, Power Distribution System, Vehicle Theft/Security Systems, Chime/Buzzer Warning Systems, Wiring Diagrams, Engine, Exhaust System, Frame and Bumpers, Fuel System, Steering, Transmission and Transfer Case, Tires and Wheels, Body, Heating and Air Conditioning, Emission Control Systems

Estimated Page Count:

Difficult to determine precisely without direct access, but factory service manuals are typically extensive, ranging from 1000 to 3000+ pages.

Type:

Factory Service Manual

Language:

English

Format:

PDF

Delivery Method:

Delivered in .ZIP file

📖 Manual Coverage

Powertrain Systems:

Engine mechanical (gasoline and diesel), fuel system, ignition system, cooling system, exhaust system, lubrication system, emission control systems.

Drivetrain Systems:

Manual and automatic transmissions, transfer case, differentials, axle shafts, driveshafts, U-joints, hub assemblies.

Chassis Systems:

Suspension (front and rear), steering system, braking system (hydraulic, ABS), wheels and tires, frame, bumpers.

Electrical Systems:

Battery, starting system, charging system, lighting, instrument panel, audio, horn, speed control, wipers/washers, turn signals, hazard warning, power distribution, theft/security, chime/buzzer systems, wiring diagrams.

Body Systems:

Body construction, interior trim, exterior trim, doors, windows, seats, HVAC system, power accessories.

Maintenance Procedures:

Scheduled maintenance, fluid checks and changes, filter replacements, lubrication, tire rotation.

Diagnostic Procedures:

Troubleshooting guides for various systems, diagnostic trouble codes (DTCs), symptom-based diagnostics, electrical circuit testing.

Repair Procedures:

Step-by-step repair instructions for all major components and systems, including disassembly, assembly, and adjustment.

Technical Specifications:

Torque specifications, clearances, fluid capacities, electrical specifications, engine data, dimensional data.

Depth:

Comprehensive factory-level detail, suitable for professional technicians and advanced DIY enthusiasts. Covers everything from routine maintenance to major overhauls and complex electrical diagnostics.

📊 Manual Specifications

Format:

PDF

Searchability:

Likely searchable text content within the PDF for efficient information retrieval.

Quality Rating:

Excellent, FACTORY SERVICE MANUAL

Zoom Functionality:

Yes, standard PDF zoom capabilities for magnification.

Type:

Digital (PDF within ZIP archive)

Type:

Not applicable (digital format)

Size Mb:

77.3 MB

Software Requirements:

Adobe Acrobat Reader

⚙️ Engine Specifications

3.7L V6:

Engine: 3.7L (226 cu in) SOHC V6 MPI Gasoline. Bore x Stroke: 93.0 mm x 90.9 mm. Compression Ratio: 9.0:1. Horsepower: Approximately 210-215 hp @ 5200 rpm. Torque: Approximately 235-240 lb-ft @ 4000 rpm. Fuel System: Multi-Point Fuel Injection (MPI).

2.4L I4:

Engine: 2.4L (148 cu in) DOHC Inline-4 MPI Gasoline. Bore x Stroke: 87.5 mm x 96.0 mm. Compression Ratio: 9.5:1. Horsepower: Approximately 150 hp @ 5800 rpm. Torque: Approximately 165 lb-ft @ 4000 rpm. Fuel System: Multi-Point Fuel Injection (MPI).

2.8L I4 Diesel:

Engine: 2.8L (171 cu in) DOHC Inline-4 CRD (Common Rail Diesel) Diesel. Horsepower: Approximately 160-170 hp @ 3800 rpm. Torque: Approximately 260-305 lb-ft @ 1800-2600 rpm (depending on transmission and specific tune). Fuel System: Common Rail Direct Injection.

Gasoline Injection:

Multi-Point Fuel Injection (MPI) for both 3.7L and 2.4L gasoline engines.

Diesel Injection:

Common Rail Direct Injection (CRD) for the 2.8L diesel engine, known for its fuel efficiency and torque.

🔧 Transmission

Transmission Type 3.7L:

4-speed automatic transmission (42RLE).

Transmission Type 2.4L:

5-speed manual transmission (NV1500) or 4-speed automatic transmission (42RLE).

Transmission Type 2.8L:

5-speed manual transmission (NV3500) or 4-speed automatic transmission (45RFE/48RE).

Transfer Case Options:

Selec-Trac NV242 (Full-time 4WD with 4-Hi, 4-Lo, 2-Hi, 4-All Time) and Command-Trac NV135 (Part-time 4WD with 4-Hi, 4-Lo, 2-Hi).

Automatic Transmission Fluid:

Chrysler ATF+4 (Mopar Part Number 05013457AA or equivalent).

Manual Transmission Fluid:

Refer to manual for specific manual transmission fluid (MTF) type, typically SAE 75W-90 or SAE 75W-85 GL-5 gear oil.

📐 Dimensions

Length:

Approx. 174.5 - 176.7 inches (4432 - 4488 mm)

Width:

Approx. 71.5 - 72.0 inches (1816 - 1829 mm)

Height:

Approx. 67.4 - 70.9 inches (1712 - 1801 mm)

Wheelbase:

Approx. 104.2 inches (2647 mm)

Curb Weight:

Approx. 3600 - 4000 lbs (1633 - 1814 kg), varies significantly by engine and drivetrain.

Towing Capacity:

Up to 3,500 lbs (1,588 kg) when properly equipped.

🛡️ Safety Features

NHTSA Front Crash Test:

Good (driver and passenger) in frontal offset crash tests by IIHS. NHTSA ratings varied by year and testing methodology.

IIHS Side Crash Test:

Acceptable or Marginal depending on specific configuration and year.

ABS:

Anti-lock Braking System (ABS) standard on most models.

Traction Control:

Traction Control System (TCS) available/standard on certain trims and drivetrains.

Electronic Stability Control:

Electronic Stability Control (ESC) became more common/standard in later years of this generation.

Airbags:

Front airbags standard. Side curtain airbags and side impact airbags often optional or standard on higher trims.

Seatbelts:

3-point seat belts with pretensioners.

💡 Technology Features

Audio System Options:

Factory radio options included AM/FM stereo with CD player, CD/MP3 player, and optional Infinity premium audio system with amplifier and subwoofer. Sirius Satellite Radio was also available.

Navigation:

Factory navigation system was available as an option on higher trim levels, typically integrated into the dash.

Cruise Control:

Standard speed control (cruise control) system is covered.

Power Accessories:

Power windows, power door locks, power mirrors, and remote keyless entry were available depending on trim level.

🔧 Maintenance

Oil Change Interval Gasoline:

Every 3,000-5,000 miles (4,800-8,000 km) or every 6 months, depending on driving conditions and oil type used. Synthetic oil may extend intervals to 7,500 miles (12,000 km).

Oil Change Interval Diesel:

Typically every 5,000-7,500 miles (8,000-12,000 km) or 6 months, following diesel-specific recommendations. Consult manual for exact intervals.

Tire Rotation Interval:

Every 6,000-8,000 miles (9,600-12,800 km) or as recommended by tire manufacturer.

Air Filter Replacement:

Inspect every 15,000 miles (24,000 km), replace as needed, or every 30,000 miles (48,000 km).

Spark Plug Replacement 3.7L:

Recommend replacing spark plugs around 75,000-100,000 miles (120,000-160,000 km) with platinum or iridium plugs.

Coolant Flush:

Every 5 years or 100,000 miles (160,000 km) with appropriate long-life coolant.

Engine Oil 3.7L:

SAE 5W-30, API Certified, meeting MS-6395 specification. Capacity: Approx. 5.0 quarts (4.7 liters).

Engine Oil 2.4L:

SAE 5W-30, API Certified, meeting MS-6395 specification. Capacity: Approx. 4.5 quarts (4.3 liters).

Engine Oil 2.8L Diesel:

SAE 5W-40 Low Ash Synthetic Diesel Engine Oil, API CJ-4 or CK-4 specification. Capacity: Approx. 6.8 quarts (6.4 liters).

Coolant Type:

Mopar Antifreeze/Coolant (MS-9769) or equivalent HOAT (Hybrid Organic Acid Technology) OAT coolant, typically orange or pink. Do NOT mix coolant types.

Common Problems:

Water pump leaks (especially on the 3.7L V6), radiator failures, AC system issues (compressor, blend door actuators), front differential pinion seal leaks, transfer case actuator problems (on 4WD models), ignition coil failures, potential for oil cooler line leaks on diesel models.

Diesel Specific Issues:

Glow plug issues, particulate filter regeneration problems (on later emissions-compliant models), injector issues, and potential for turbocharger problems if not maintained properly.

📚 Vehicle History

Brand Legacy:

Jeep, a division of Chrysler (later FCA), has a long history of producing robust and capable off-road vehicles dating back to World War II.

Introduction Year:

The KJ Liberty was introduced for the 2002 model year, replacing the Cherokee (XJ) in Jeep's lineup in North America.

Design Philosophy:

Designed as a smaller, more civilized alternative to the Grand Cherokee, but retained some of Jeep's signature styling and off-road prowess. Featured a distinctive, somewhat controversial, 'modern' Jeep exterior styling.

Production Location:

Toledo Complex, Ohio, USA.

🏆 Awards & Recognition

Industry Awards:

The Jeep Liberty received various awards and positive reviews in its segment for its off-road capability and distinct styling during its production run. Specific awards would need detailed historical data lookup.