🏷️ Basic Information

Make:

Jeep

Model:

Liberty

Generation Code:

KJ

Model Years:

2004-2007

Body Style:

Compact SUV

Chassis Code:

KJ

👋 Introduction

Segment:

Compact SUV, often positioned as a more rugged and capable alternative to mainstream crossovers

Target Audience:

Buyers seeking off-road capability, utility, and Jeep's iconic styling in a smaller package

Competitors:

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

Off Road Capability:

Available four-wheel-drive systems (Selec-Trac, Command-Trac), higher ground clearance than many rivals

Powertrain Options:

Choice of gasoline and diesel engines, along with manual and automatic transmissions

Utility:

Practical interior space for passengers and cargo, towing capability

Brand Identity:

Carries Jeep's renowned off-road heritage and distinctive styling

📋 Manual Details

Diagnostic Codes:

OBD-II diagnostic trouble codes (DTCs) relevant to Jeep Liberty KJ models

Repair Procedures:

Comprehensive repair procedures for all major vehicle systems

Maintenance Schedules:

Detailed preventative maintenance schedules

Wiring Diagrams:

Complete electrical system wiring diagrams

Torque Specifications:

Precise torque specifications for all critical fasteners

Troubleshooting Guides:

Systematic troubleshooting guides for common and uncommon issues

Estimated Pages:

Hundreds of pages (specific count not provided, implies comprehensive)

Type:

Service and Repair Manual

Language:

English

Format:

PDF

📖 Manual Coverage

Engine Mechanical:

Engine assembly, disassembly, rebuilding, cylinder head, block, pistons, crankshaft, camshaft, timing, lubrication, cooling system

Engine Performance:

Fuel injection system, ignition system, emissions control, exhaust system

Transmission Manual:

Manual transmission (NV1500, NV3500) removal, installation, disassembly, and repair

Transmission Automatic:

Automatic transmission (42RLE) removal, installation, disassembly, and repair

Drivetrain:

Transfer case (NV140, NV244), front axle, rear axle, drive shafts, CV joints, universal joints

Suspension:

Front suspension (independent short-long arm), rear suspension (solid axle), springs, shock absorbers, control arms, steering knuckle

Steering:

Steering gear, steering column, power steering system, tie rods, linkages

Brakes:

Front disc brakes, rear drum brakes (standard), optional rear disc brakes, ABS system, parking brake

Electrical System:

Battery, charging system (alternator), starting system (starter motor), ignition system, lighting system, accessories

Body And Chassis:

Body panels, doors, hood, tailgate, interior trim, underbody, frame/unibody construction

Heating Ventilation Air Conditioning:

HVAC system components, refrigerant servicing, blower motor, climate control module

Safety Systems:

Airbag system, seat belts, supplemental restraint system (SRS)

Routine Maintenance:

Oil changes, filter replacements, fluid checks and top-offs, tire rotation, brake inspections

Diagnostic Troubleshooting:

Step-by-step diagnostics for engine, transmission, ABS, SRS, and other electronic systems

Component Replacement:

Detailed instructions for replacing major components (e.g., alternator, starter, water pump, fuel pump, brake pads, CV axles)

Rebuilding Procedures:

Complete rebuild procedures for engines and transmissions

Alignment Specifications:

Wheel alignment specifications and procedures

Special Tools:

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

Depth:

In-depth, professional-level repair and diagnostic information suitable for technicians and experienced DIYers

📊 Manual Specifications

Format:

PDF (Portable Document Format)

Searchability:

Likely text-searchable, allowing quick access to specific information

Quality:

High-resolution scans of original factory service manuals, ensuring clear diagrams and text

Binding:

N/A (Digital PDF format)

Paper:

N/A (Digital PDF format)

⚙️ Engine Specifications

Engine Code Gas:

2.4L PowerTech (ED1)

Displacement Gas:

2429 cc (148.2 cubic inches)

Configuration Gas:

Inline 4-cylinder

Valvetrain Gas:

SOHC (Single Overhead Camshaft)

Horsepower Gas 2004-05:

147 hp @ 5200 rpm

Torque Gas 2004-05:

165 lb-ft @ 4000 rpm

Bore X Stroke Gas:

90.9 mm x 94.0 mm

Compression Ratio Gas:

9.1:1

Fuel Delivery Gas:

Multi-point fuel injection (MPI)

Engine Code Gas Optional:

3.7L PowerTech (EKW/EWG)

Displacement Gas Optional:

3701 cc (225.8 cubic inches)

Configuration Gas Optional:

Inline 5-cylinder

Valvetrain Gas Optional:

SOHC

Horsepower Gas Optional:

202 hp @ 5200 rpm (approx.)

Torque Gas Optional:

234 lb-ft @ 4000 rpm (approx.)

Fuel Delivery Gas Optional:

Multi-point fuel injection (MPI)

Engine Code Diesel:

2.8L CRD (VM Motori)

Displacement Diesel:

2776 cc (169.4 cubic inches)

Configuration Diesel:

Inline 4-cylinder

Valvetrain Diesel:

DOHC (Double Overhead Camshaft)

Horsepower Diesel:

150 hp @ 3800 rpm (approx.)

Torque Diesel:

347 lb-ft @ 1600 rpm (approx.)

Fuel System Diesel:

Common Rail Direct Injection (CRDi) with turbocharger and intercooler

Fuel Type Gas:

Unleaded gasoline

Fuel Type Diesel:

Diesel fuel

🔧 Transmission

Type Standard:

5-speed manual transmission (NV1500)

Type Optional Gas:

4-speed automatic transmission (42RLE) - standard on 3.7L and optional on 2.4L

Type Optional Diesel:

4-speed automatic transmission (42RLE) - standard on diesel models

Transfer Case 2Wd:

Optional, primarily RWD configuration

Transfer Case 4Wd:

Command-Trac NV140 (part-time, 2-speed) or Selec-Trac NV244 (full-time, 2-speed with 2WD/4WD Full-Time/4WD Part-Time modes)

📐 Dimensions

Wheelbase:

104.3 inches (2649 mm)

Length:

172.2 inches (4374 mm)

Width:

72.5 inches (1841 mm)

Height:

70.1 inches (1781 mm)

Ground Clearance:

Approx. 8.1 inches (206 mm) (varies with tire size/suspension)

Passenger Volume:

Approx. 96.0 cubic feet (2719 liters)

Cargo Volume Behind Rear Seat:

Approx. 38.3 cubic feet (1084 liters)

Cargo Volume With Rear Seat Folded:

Approx. 66.4 cubic feet (1880 liters)

Curb Weight Est Min:

3750 lbs (1701 kg) (2.4L 2WD)

Curb Weight Est Max:

4400 lbs (1996 kg) (2.8L CRD 4WD)

Towing Capacity:

Up to 3500 lbs (1588 kg) (depending on engine and configuration)

🛡️ Safety Features

NHTSA Frontal Driver 2004:

★★★★ (Four stars)

NHTSA Frontal Passenger 2004:

★★★★ (Four stars)

NHTSA Side Impact Front 2004:

★★★★★ (Five stars)

IIHS Offset Frontal 2004:

Good

ABS:

Standard Anti-lock Braking System (4-wheel disc/drum configuration)

Traction Control:

Optional Traction Control System (TCS)

Electronic Stability:

Optional Electronic Stability Program (ESP) available on some later models

Airbags Front:

Standard front driver and passenger airbags

Airbags Side:

Optional side curtain airbags for front and rear passengers

Seat Belts:

3-point front seat belts with pretensioners, rear seat belts

Rollover Protection:

Reinforced roof structure and B-pillars designed to mitigate rollover risks

💡 Technology Features

Audio System:

AM/FM stereo with CD player, optional SiriusXM satellite radio, optional premium Infinity sound system.

Navigation:

Optional navigation system available on higher trim levels.

Cruise Control:

Standard or optional cruise control system.

Keyless Entry:

Optional keyless entry system with remote key fob.

Auxiliary Input:

Optional auxiliary audio input jack for connecting external media players.

Climate Control:

Manual or optional automatic climate control.

🔧 Maintenance

Oil Change Gas 2.4L:

Every 7,500 miles or 6 months, whichever comes first (under normal driving conditions)

Oil Change Gas 3.7L:

Every 7,500 miles or 6 months, whichever comes first (under normal driving conditions)

Oil Change Diesel 2.8L:

Every 7,500 miles or 6 months, whichever comes first (under normal driving conditions). Check manual for specific diesel oil change intervals.

Air Filter Replacement:

Inspect every 15,000 miles, replace as needed or at least every 30,000 miles.

Coolant Flush:

Every 60,000 miles or 5 years (Chrysler recommended HOAT coolant)

Transmission Fluid Change Auto:

Check every 30,000 miles, service as needed. Recommended flush/change around 60,000 miles.

Transmission Fluid Change Manual:

Check every 30,000 miles, recommended change around 60,000 miles.

Brake Fluid Flush:

Every 24-36 months or as specified by vehicle condition.

Engine Oil Gas 2.4L:

SAE 5W-30 API SN/SM/SL (or equivalent)

Engine Oil Gas 3.7L:

SAE 5W-30 API SN/SM/SL (or equivalent)

Engine Oil Diesel 2.8L:

SAE 5W-40 API CJ-4/CI-4/CH-4 (or equivalent) - verify specific diesel oil requirement

Coolant:

Chrysler HOAT (Hybrid Organic Additive Technology) Antifreeze/Coolant (Blue) - Mopar Part # 68048553AA or equivalent

Transmission Fluid Auto 42Rle:

ATF+4 (Mopar Part # 05013457AA or equivalent)

Transmission Fluid Manual:

GL-4 SAE 75W-90 gear oil

Brake Fluid:

DOT 3 or DOT 4 hydraulic brake fluid

Crankshaft Position Sensor Failure:

Common failure leading to no-start or stalling issues, especially in hotter weather.

Radiator Leaks:

Plastic end tanks can degrade and leak over time, particularly at the hose connections.

Cv Joint Boots Failure:

Front CV joint boots are prone to tearing, leading to grease loss and eventual joint failure.

Rear Differential Leaks:

Leaking axle seals are a common concern.

Diesel Glow Plugs Failure:

For the 2.8L CRD, failing glow plugs can cause hard starting in cold weather.

Heater Control Valve:

The heater control valve can fail, leading to no heat or only partial heat output.

Power Steering Pump Noise:

Some models may experience whining noises from the power steering pump, often related to fluid level or pump wear.

📚 Vehicle History

Jeep Legacy:

Part of Chrysler's Jeep division, known for its extensive history of producing rugged, off-road capable vehicles since WWII.

Kj Introduction:

The KJ Liberty replaced the Cherokee (XJ) in Jeep's lineup for North America, offering a more modern, unibody platform.

Kj Generation Timeline:

First generation (KJ) produced from 2002 to 2007. This manual covers the facelifted models from 2004 onwards.

Facelift 2004:

The 2004 model year saw a significant refresh, including updated styling (front and rear fascias), revised interior, and powertrain updates, including the introduction of the 3.7L V6 and the 2.8L CRD diesel.

Manufacturing Location:

Toledo, Ohio, USA

🏆 Awards & Recognition

Jeep Liberty Kj Awards:

While specific awards for the 2004-2007 KJ Liberty are not widely publicized, the Jeep brand consistently receives recognition for its off-road capability and ruggedness. The KJ model was generally well-received for its utility and distinct styling within its segment.