🏷️ Basic Information

Make:

Jeep

Model:

Liberty

Model Code:

KJ

Body Style:

Compact SUV

Product Type:

Complete Workshop Service Repair Manual

👋 Introduction

Segment:

Compact SUV, positioned as a more rugged and capable alternative in its class.

Competitors:

Honda CR-V, Toyota RAV4, Ford Escape, Nissan Xterra (though Xterra is mid-size, it competed for similar buyers seeking capability).

Jeep Heritage:

Off-road capability, solid front axle (on some earlier 4WD models), distinctive Jeep styling.

Unique Selling Points:

Available diesel engines (in some markets), more traditional SUV feel compared to unibody crossovers.

📋 Manual Details

Vehicle Years:

2002, 2003, 2004, 2005, 2006, 2007

Engine Options Covered:

2.4L I4, 3.7L V6, 2.5L CRD (Diesel), 2.8L CRD (Diesel)

Transmission Options Covered:

42RLE (4-Speed Automatic), NV150/NV156 (4-Speed Automatic), NSG370 (6-Speed Manual)

Drivetrain Options Covered:

2WD (RWD), 4WD (Part-time Command-Trac, Full-time Select-Trac, Full-time NV244 Selec-Trac)

Trim Levels Covered:

Sport, Limited, Renegade, SXT

Estimated Page Count:

1500+

Type:

Workshop Service Repair Manual

Description:

Comprehensive guide covering all repair and service procedures.

Language:

English

Format:

Downloadable PDF

📖 Manual Coverage

Engine:

Complete engine overhaul, diagnosis, tuning, lubrication system, cooling system, fuel system, emissions control.

Transmission:

Automatic (42RLE, NV150/NV156) and Manual (NSG370) transmission repair, overhaul, diagnosis, fluid changes, clutch service.

Drivetrain:

Transfer case (NV136, NV244) service and repair, front and rear axle assemblies, drive shafts, CV joints, U-joints.

Brakes:

Hydraulic system, ABS, front and rear disc brake overhaul, parking brake, brake fluid specifications and bleeding procedures.

Suspension:

Front independent suspension (short-long arm), rear solid axle, shock absorbers, springs, control arms, steering linkage, alignment specifications.

Steering:

Power steering system, steering column, steering gear/rack and pinion, tie rods, power steering fluid.

Electrical:

Wiring diagrams, battery, charging system (alternator, starter), lighting system, ignition system, power distribution, fuses, relays, ECUs.

Climate Control:

HVAC system diagnosis and repair, A/C compressor, refrigerant, blower motor, heater core, climate controls.

Body And Chassis:

Body panels, doors, hood, tailgate, interior trim, glass, bumpers, frame straightening, corrosion protection.

Restraints:

Airbag system diagnosis and replacement, seat belt service.

Instrumentation And Controls:

Dashboard, gauges, switches, warning lights, control modules.

Maintenance:

Oil changes, filter replacements, fluid checks and top-offs, tire rotation, lubrication.

Troubleshooting:

Diagnostic charts, symptom-based troubleshooting, fault code interpretation (OBD-II).

Repair:

Component removal, installation, replacement, and adjustment for all major systems.

Overhaul:

Complete engine, transmission, and axle rebuild procedures.

Diagnosis:

In-depth diagnostic procedures for electrical and mechanical systems.

Specifications:

Torque specifications, clearances, fluid capacities, electrical parameters.

Depth:

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

Detail Level:

Step-by-step instructions, detailed diagrams, exploded views, and troubleshooting guides.

📊 Manual Specifications

Format:

PDF

Searchability:

Fully searchable text for quick information retrieval.

Printability:

Printable pages for workshop use.

Resolution:

High-resolution images and diagrams.

Binding:

N/A (Digital Download)

Paper Type:

N/A (Digital Download)

⚙️ Engine Specifications

Engine 1 Name:

2.4L PowerTech Inline-4

Engine 1 Displacement:

2429 cc (148.2 cu in)

Engine 1 Power:

147 hp @ 5800 rpm

Engine 1 Torque:

165 lb-ft @ 4000 rpm

Engine 2 Name:

3.7L PowerTech V6

Engine 2 Displacement:

3701 cc (225.8 cu in)

Engine 2 Power:

205 hp @ 5200 rpm (later models 215 hp)

Engine 2 Torque:

235 lb-ft @ 4000 rpm (later models 240 lb-ft)

Engine 3 Name:

2.5L CRD (VM Motori) Turbo Diesel

Engine 3 Displacement:

2499 cc (152.5 cu in)

Engine 3 Power:

140 hp @ 4000 rpm

Engine 3 Torque:

250 lb-ft @ 1800 rpm

Engine 4 Name:

2.8L CRD (VM Motori) Turbo Diesel (late models)

Engine 4 Displacement:

2776 cc (169.4 cu in)

Engine 4 Power:

160-177 hp @ 3600-3800 rpm (depending on year/tune)

Engine 4 Torque:

300-330 lb-ft @ 1700-2000 rpm (depending on year/tune)

Fuel System Type:

Multi-port Fuel Injection (MPI) for gasoline, Common Rail Diesel Injection (CRDi) for diesel.

Ignition Type:

Distributorless Ignition System (DIS) with individual coils.

Cooling Type:

Pressurized liquid cooling system.

🔧 Transmission

Standard Transmission:

NSG370 6-speed manual (primarily with 3.7L V6 and 2.8L CRD)

Optional Transmission 1:

42RLE 4-speed automatic (primarily with 3.7L V6)

Optional Transmission 2:

NV150/NV156 4-speed automatic (with 2.4L I4, 2.5L CRD)

Transmission Features:

Overdrive gear, electronic control for automatics, manual clutch actuation for manual.

Automatic Transmission Fluid Spec:

Chrysler ATF+4 (or equivalent specification)

Manual Transmission Fluid Spec:

API GL-3 or GL-4, SAE 75W-90 synthetic gear oil (check specific model for exact spec).

📐 Dimensions

Wheelbase:

104.3 inches (2649 mm)

Length:

173.4 inches (4404 mm)

Width:

72.4 inches (1839 mm)

Height:

69.4 inches (1763 mm)

Passenger Volume:

Approx. 95.1 cu ft (2693 L)

Cargo Volume Behind 2Nd Row:

Approx. 38.9 cu ft (1102 L)

Cargo Volume Max:

Approx. 66.3 cu ft (1877 L)

Curb Weight Min:

Approx. 3700 lbs (1678 kg)

Curb Weight Max:

Approx. 4300 lbs (1950 kg)

Towing Capacity:

Up to 3500 lbs (1588 kg) with V6 and proper towing package.

Max Payload:

Approx. 1000 lbs (454 kg)

Wheelbase Options:

104.3 inches (2649 mm)

Standard Tire Size:

P225/75R16 (common)

Optional Tire Size:

P235/70R16, P245/65R17

Wheel Bolt Pattern:

5 x 114.3 mm (5 x 4.5 inches)

Wheel Size:

16-inch, 17-inch alloy or steel.

🛡️ Safety Features

NHTSA Front Impact Driver:

4 Stars (2002-2007 models)

NHTSA Front Impact Passenger:

4 Stars (2002-2007 models)

NHTSA Side Impact Front Driver:

4 Stars (2002-2007 models)

NHTSA Side Impact Front Passenger:

4 Stars (2002-2007 models)

NHTSA Side Impact Rear Driver:

5 Stars (2002-2007 models)

NHTSA Side Impact Rear Passenger:

5 Stars (2002-2007 models)

IIHS Frontal Offset:

Good (for models with specific design updates)

ABS:

Standard on all models.

Traction Control:

Optional on some models, standard on higher trims/later years.

Electronic Stability Control:

Optional on some models, standard on higher trims/later years.

Airbags Front:

Driver and front passenger airbags standard.

Airbags Side:

Optional side curtain airbags available on select trims/years.

Seatbelts:

Three-point seat belts with pretensioners.

💡 Technology Features

Infotainment Systems:

Available premium audio systems, CD player, optional SiriusXM satellite radio, optional navigation (late models).

Driver Assistance Features:

Limited by modern standards; primarily ABS, optional traction control and stability control.

Connectivity Features:

Optional auxiliary input for audio devices.

🔧 Maintenance

Oil Change Interval:

Every 5,000-7,500 miles (8,000-12,000 km) or 6 months, depending on driving conditions (consult manual for exact recommendation).

Air Filter Replacement:

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

Spark Plug Replacement I4:

100,000 miles (160,000 km) for platinum-tipped plugs.

Spark Plug Replacement V6:

100,000 miles (160,000 km) for platinum-tipped plugs.

Coolant Flush:

Every 30,000-60,000 miles (48,000-96,000 km) or 2-4 years.

Brake Fluid Flush:

Every 2-3 years or as recommended.

Engine Oil Spec I4 V6:

SAE 5W-30 (API certified, consult owner's manual for exact specification).

Engine Oil Capacity I4:

Approx. 5 quarts (4.7 liters) with filter.

Engine Oil Capacity V6:

Approx. 6 quarts (5.7 liters) with filter.

Coolant Spec:

Chrysler OAT (Organic Additive Technology) Antifreeze/Coolant, orange color.

Power Steering Fluid Spec:

Chrysler Power Steering Fluid or Mopar Power Steering Fluid.

Common Issues List:

Cracked exhaust manifolds (3.7L V6), ABS sensor failures, power steering pump leaks, transfer case actuator issues (some 4WD systems), interior trim fitment, rear differential pinion seal leaks, cooling fan issues, ball joint wear.

📚 Vehicle History

Jeep Legacy:

Part of Chrysler's Jeep division, known for robust 4x4 capabilities and off-road heritage.

First Generation Launch:

Introduced for the 2002 model year as a replacement for the Jeep Cherokee (XJ) in North America.

Mid-Cycle Refresh:

Received a minor refresh for the 2005 model year, including updated front and rear fascias, interior enhancements, and some powertrain revisions (e.g., updated 3.7L V6).

Production Period:

2002-2007

Manufacturing Location:

Toledo North Complex, Toledo, Ohio, USA.

🏆 Awards & Recognition

Off Road Recognition:

Generally well-regarded for its off-road capability within its class, especially with the available 4WD systems. Often praised for its 'Jeep' DNA.

Fuel Economy Ratings:

Moderate; typically lower than car-based crossovers, especially with the V6 and 4WD.