🏷️ Basic Information

Make:

Jeep

Model:

Liberty

Year:

2007

Chassis Code:

KJ

Product Code Identifier:

2007 Jeep Liberty KJ Service and Repair Manual

👋 Introduction

Vehicle Segment:

Compact SUV / Off-road focused SUV

Key Competitors 2007:

Toyota RAV4, Honda CR-V, Ford Escape, Nissan Xterra, Chevrolet TrailBlazer

Jeep Brand Heritage:

Renowned for off-road capability and ruggedness.

Liberty Kj Positioning:

Offered a more traditional SUV experience with stronger off-road credentials than many car-based crossovers.

Ideal User:

DIY mechanics, independent repair shops, and Jeep enthusiasts seeking to perform comprehensive maintenance and repairs.

📋 Manual Details

Coverage Scope:

All models and all repairs A-Z

Estimated Page Count:

1500+

Manual Type:

Service and Repair Manual

Language:

English

Format:

Print

📖 Manual Coverage

Engine:

2.4L PowerTech I4, 3.7L PowerTech V6, 2.8L CRD Diesel

Transmission:

42RLE Automatic, NV156/NV244 Transfer Case, Manual Transmissions (if applicable)

Drivetrain:

Four-wheel drive systems (Command-Trac, Selec-Trac NV242, Selec-Trac NV244), Front and Rear Axles, Differential

Suspension:

Front Independent Front Suspension (IFS), Rear Solid Axle, Springs, Shock Absorbers, Control Arms

Brakes:

Front Disc Brakes, Rear Disc Brakes, ABS System, Parking Brake

Steering:

Power Steering System, Steering Gear, Steering Column

Fuel System:

Fuel Tank, Fuel Pump, Fuel Injectors, Fuel Filter

Cooling System:

Radiator, Water Pump, Thermostat, Cooling Fan

Exhaust System:

Exhaust Manifold, Catalytic Converter, Muffler, Pipes

Electrical System:

Battery, Alternator, Starter Motor, Ignition System, Lighting, Fuses, Relays

Body And Chassis:

Body Panels, Doors, Windows, Seats, Interior Trim, Frame Components

HVAC:

Air Conditioning, Heating, Ventilation System

Safety Systems:

Airbags, Seatbelts, ABS, Traction Control

Maintenance:

Oil Changes, Filter Replacements, Fluid Checks and Top-offs, Spark Plug Replacement, Belt Inspection and Replacement

Diagnostics:

Troubleshooting common issues, DTC (Diagnostic Trouble Code) interpretation, Component testing

Repair:

Engine overhaul, Transmission rebuild, Brake system repair, Suspension component replacement, Electrical system repair, Body panel repair

Disassembly Assembly:

Step-by-step instructions for component removal and installation

Specifications:

Torque values, Clearances, Fluid capacities, Electrical diagrams

Depth Level:

Comprehensive, covering from basic maintenance to complete engine and transmission overhauls, including electrical system diagnostics and body repairs.

Documentation Source:

Vehicle specific, identical to that used by dealership technicians.

📊 Manual Specifications

File Format:

Print Book

Print Quality:

High quality, durable paper with clear diagrams and illustrations.

Binding Type:

Perfect bound or spiral bound (typical for service manuals for lay-flat use).

Paper Type:

Heavy-duty, coated paper to withstand shop environments.

⚙️ Engine Specifications

Engine Option 1:

2.4L PowerTech I4 (GEMA)

Engine Option 1 Displacement:

2429 cc

Engine Option 1 Horsepower:

150 hp @ 5200 rpm (approx.)

Engine Option 1 Torque:

170 lb-ft @ 4000 rpm (approx.)

Engine Option 2:

3.7L PowerTech V6 (EGB/EGG)

Engine Option 2 Displacement:

3701 cc

Engine Option 2 Horsepower:

210 hp @ 5200 rpm (approx.)

Engine Option 2 Torque:

235 lb-ft @ 4000 rpm (approx.)

Engine Option 3:

2.8L CRD (Common Rail Diesel) Turbo Diesel (498cc X 4 cylinders = 1996 cc, but typically referred to by displacement class)

Engine Option 3 Displacement:

2.8 Liters (181 cu in)

Engine Option 3 Horsepower:

160 hp @ 3800 rpm (approx.)

Engine Option 3 Torque:

304 lb-ft @ 1750 rpm (approx.)

Fuel Delivery Gasoline:

Sequential Multiport Fuel Injection (MPI)

Fuel Delivery Diesel:

Common Rail Direct Injection (CRDI)

Emissions Control:

Catalytic Converter, EGR (Diesel)

🔧 Transmission

Transmission Option 1:

4-Speed Automatic (42RLE)

Transmission Option 2:

5-Speed Manual (NV1500, depending on engine/market)

Transfer Case Options:

NV156 (Part-time 4WD), NV244 (Full-time 4WD with electronic range select)

Automatic Transmission Fluid:

Chrysler ATF+4 (MS-9602)

📐 Dimensions

Wheelbase:

104.1 inches (2644 mm)

Length:

176.1 inches (4473 mm)

Width:

72.4 inches (1839 mm)

Height:

69.9 inches (1775 mm)

Cargo Volume Behind Rear Seat:

38.9 cu ft (1102 L)

Cargo Volume With Rear Seat Folded:

66.9 cu ft (1895 L)

Curb Weight Min:

3841 lbs (1742 kg) - 2.4L, 2WD

Curb Weight Max:

4329 lbs (1963 kg) - 2.8L CRD, 4WD

Towing Capacity:

Up to 3500 lbs (1588 kg) - Varies by engine and configuration

🛡️ Safety Features

NHTSA Rollover Resistance Rating:

4 out of 5 stars (typical for SUVs of this era)

Anti Lock Brakes:

Standard (ABS)

Traction Control:

Available (TCS)

Electronic Stability Control:

Available (ESC)

Airbags:

Front airbags, Available side curtain airbags

Seat Belts:

3-point front and rear seatbelts

💡 Technology Features

Infotainment System Options:

Factory AM/FM stereo with CD player, optional Infinity premium audio system, optional navigation system on some higher trims.

Driver Assistance Features:

ABS, Traction Control, and optional Electronic Stability Control.

Connectivity Features:

Limited by era; typically AUX input for audio, optional SiriusXM satellite radio.

🔧 Maintenance

Oil Change Interval Gasoline:

Every 3,000-7,500 miles (dependent on oil type and driving conditions, refer to specific manual)

Oil Change Interval Diesel:

Every 7,500 miles (synthetic blend or synthetic)

Air Filter Replacement:

Every 15,000-30,000 miles or as needed based on conditions.

Spark Plug Replacement I4:

Every 30,000-100,000 miles (depending on plug type - copper vs. platinum/iridium)

Spark Plug Replacement V6:

Every 30,000-100,000 miles (depending on plug type - copper vs. platinum/iridium)

Coolant Flush Interval:

Every 30,000-60,000 miles or 2-5 years.

Engine Oil Gasoline Recommendation:

SAE 5W-30, API SN or newer (check manual for exact spec)

Engine Oil Diesel Recommendation:

SAE 5W-40, API CJ-4 or newer (or specific CRD spec)

Coolant Type:

Chrysler OAT (Organic Additive Technology) Pink Coolant (MS-12106 or equivalent)

Brake Fluid Type:

DOT 3

Common Problems Kj Liberty:

Cracked cylinder heads (specifically 3.7L V6), radiator leaks, automatic transmission issues (especially early 42RLE), power steering pump leaks, front suspension wear (ball joints, tie rods), differential seal leaks, potential EGR valve issues (CRD).

📚 Vehicle History

Jeep Founding:

1941, historically known for military vehicles.

Liberty Kj Generation 1:

2002-2007

Liberty Kj Updates 2007:

Minor styling updates, potential powertrain refinements, possibly improved interior features.

Production Location:

Toledo, Ohio, USA

🏆 Awards & Recognition

Off Road Capability Recognition:

Jeep's core brand strength, the Liberty KJ typically received praise for its off-road prowess compared to many contemporary crossover SUVs.

Konsumen Reports Reliability:

Varied by model year and specific component, with noted concerns on certain powertrain elements requiring diligent maintenance as detailed in the manual.