Segment:
Compact SUV / Sport Utility Vehicle
Target Audience:
Owners seeking to perform their own maintenance and repairs, independent repair shops, enthusiast workshops.
Competitors 2002 2007:
Ford Escape, Toyota RAV4, Honda CR-V, Subaru Forester, Nissan Xterra
Accuracy:
Based on official Jeep dealer documentation, ensuring accuracy and completeness.
Diagrams:
Detailed step-by-step diagrams and illustrations for complex procedures.
Troubleshooting Guide:
Inclusion of diagnostic trouble codes (DTCs) and systematic troubleshooting procedures.
Cost Savings:
Enables significant cost savings on maintenance and repair by empowering DIY efforts.
Powertrain:
Engine, Transmission, Drivetrain (4x4/2WD)
Chassis:
Suspension, Steering, Brakes, Exhaust
Electrical:
Wiring Diagrams, Lighting, Ignition, Body Electrical, Powertrain Control Modules (PCM)
Body And Interior:
Exterior Body Panels, Interior Trim, Seats, HVAC System
Diagnostics:
On-Board Diagnostics (OBD-II), DTCs (Diagnostic Trouble Codes), Troubleshooting Flowcharts
Maintenance:
Fluid Changes, Filter Replacements, Inspections
Repair:
Component Removal, Installation, Overhaul, Adjustments
Troubleshooting:
Diagnosis of common problems and specific failure modes
Specifications:
Torque values, clearances, electrical data
Depth:
Full workshop level, including diagnostics, component-level repair, and system overhauls.
File Type:
PDF (Portable Document Format)
Searchability:
Typically searchable text content for quick access to information
Print Capability:
Printable pages for workshop use
Binding For Print:
Not applicable for digital download, but designed for easy printing and binding
Recommended Paper For Print:
Standard printer paper, potential for heavier stock for workshop durability
Engine Code Gasoline 1:
2.4L PowerTech Inline-4 (G4) - ERH
Displacement Gasoline 1:
2429 cc
Horsepower Gasoline 1:
147-150 hp @ 5200-5800 rpm (depending on year/tune)
Torque Gasoline 1:
165-170 lb-ft @ 4000 rpm (depending on year/tune)
Engine Code Gasoline 2:
3.7L PowerTech V6 - EKG
Displacement Gasoline 2:
3701 cc
Horsepower Gasoline 2:
205-210 hp @ 5200-5500 rpm (depending on year/tune)
Torque Gasoline 2:
235-240 lb-ft @ 4000 rpm (depending on year/tune)
Engine Code Diesel 1:
2.8L CRD (Common Rail Diesel) - ENF
Displacement Diesel 1:
2776 cc
Horsepower Diesel 1:
150 hp @ 3800 rpm (for 2005-2006 models)
Torque Diesel 1:
295 lb-ft @ 1800 rpm (for 2005-2006 models)
Fuel Type Gasoline:
Unleaded gasoline (87 octane recommended, higher for performance)
Fuel Type Diesel:
Diesel fuel (ULSD required for 2007+ in many regions)
Fuel Delivery Gasoline:
Multi-point Fuel Injection (MPI)
Fuel Delivery Diesel:
Common Rail Direct Injection (CRDI)
Ignition System:
Distributorless Ignition System (DIS) with coil-on-plug
Transmission Type 2.4L:
5-speed Manual (NV1500/NV3500)
Transmission Type 3.7L:
4-speed Automatic (42RLE)
Transmission Type Optional Gasoline:
4-speed Automatic (42RLE) available with 2.4L
Transmission Type Optional Diesel:
4-speed Automatic (42RLE) available with 2.8L CRD
Drivetrain Options:
Part-time 4WD (Command-Trac NV231J or NV244 transfer case), available Full-time 4WD (Selec-Trac NV244 transfer case on some models), 2WD
Gear Ratios Auto 42Rle:
Typical: 1st: 2.804, 2nd: 1.576, 3rd: 1.000, 4th: 0.699, Reverse: 2.104
Transmission Fluid Spec Auto:
ATF+4 (Chrysler Material Standard MS-9602)
Transmission Fluid Capacity Auto:
Approximately 6.7 US quarts (6.4 liters) dry fill
Wheelbase:
104.2 inches (2647 mm)
Length:
170.4 inches (4328 mm)
Width:
72.4 inches (1839 mm)
Height:
71.3 inches (1811 mm) with roof rack
Ground Clearance:
Approx. 8.1 inches (206 mm)
Curb Weight Min:
Approx. 3600 lbs (1633 kg) for 2WD 2.4L model
Curb Weight Max:
Approx. 4200 lbs (1905 kg) for 4WD 3.7L CRD models
Towing Capacity:
Up to 5000 lbs (2268 kg) with optional tow package and 3.7L engine
NHTSA Rollover Resistance Rating:
4 out of 5 stars (check specific year reports)
IIHS Front Crash Test:
Good (for models tested)
ABS:
Standard Anti-lock Braking System (ABS)
Traction Control:
Available Traction Control System (TCS)
Esc:
Available Electronic Stability Control (ESC) - often standard on later models or higher trims.
Airbags Front:
Standard front driver and passenger airbags
Airbags Side:
Optional front side-impact airbags
Seatbelts:
3-point seat belts with pretensioners
Audio System Options:
Factory AM/FM/CD player, optional Infinity sound system with subwoofer.
Navigation:
Optional factory navigation system available on higher trim levels.
Cruise Control:
Standard cruise control on most models.
Keyless Entry:
Available keyless entry system.
Auxiliary Input:
Limited connectivity options in this era; aftermarket head units are common for aux/USB/Bluetooth.
Oil Change Interval Gasoline:
Every 5,000-7,500 miles (8,000-12,000 km) or 6 months, whichever comes first (depending on oil type and driving conditions).
Oil Change Interval Diesel:
Every 3,000-5,000 miles (5,000-8,000 km) or 6 months (depending on oil type and driving conditions; diesel engines typically require more frequent changes).
Service Intervals Filters
Engine Oil Filter Part Number Example:
Mopar: MO-899, Fram: PH10060 (verify for specific engine)
Engine Air Filter Part Number Example:
Mopar: 04861671AA, Fram: CA8016 (verify for specific engine)
Engine Oil Spec Gasoline:
SAE 5W-30 (API certified, synthetic blend or full synthetic recommended for best performance and protection)
Engine Oil Spec Diesel:
SAE 15W-40 or 5W-40 (API CJ-4 or newer recommended for diesel engines, synthetic highly recommended)
Coolant Spec:
Chrysler/Mopar OAT (Organic Additive Technology) Antifreeze/Coolant (typically orange color, consult manual for exact part number)
Brake Fluid Spec:
DOT 3 or DOT 4 brake fluid (verify for specific system)
Power Steering Fluid Spec:
ATF+4 or specific power steering fluid (consult manual)
Common Issue Cooling System:
Radiator leaks, thermostat housing leaks, water pump failures are not uncommon in higher mileage vehicles.
Common Issue Exhaust:
Exhaust manifold cracks (especially on V6 engines), catalytic converter issues.
Common Issue Suspension:
Wear in ball joints, tie rod ends, and control arm bushings can lead to steering wander and tire wear.
Common Issue Electronics:
Window regulator failures, power lock actuators, and occasional PCM issues.
Common Issue Diesel 2.8:
Injectors, glow plugs, and EGR system issues are potential concerns for the CRD engine.
Jeep Legacy:
Jeep has a long heritage in off-road vehicles, known for durability and capability.
Liberty Kj Positioning:
Introduced as a more compact and car-like SUV than the Grand Cherokee, but retaining Jeep's off-road prowess with its body-on-frame construction and available 4WD systems.
Manufacturing Location:
Toledo, Ohio, USA
Production Run:
2002-2007 (KJ Generation)
