Vehicle Segment:
Compact/Mid-size SUV
Target Audience:
Enthusiasts, DIY mechanics, owners seeking to maintain and repair their vehicle
Competitors 2003:
Toyota RAV4, Honda CR-V, Ford Escape, Nissan Xterra, Chevrolet Tracker
Off Road Capability:
Known for its capable 4x4 systems and higher ground clearance compared to many car-based SUVs
Powertrain Options:
Robust V6 engine available, providing ample power for its class
Utility:
Practical cargo space and towing capacity for its size
Engine Coverage:
3.7L V6 PowerTech, 2.4L 4-Cylinder (export/specific markets)
Transmission Coverage:
42RLE 4-Speed Automatic, NV150/NV235 Transfer Case
Drivetrain Coverage:
4WD (Command-Trace/Select-Trac), 2WD
Electrical System Coverage:
All circuits, sensors, actuators, modules, lighting, and diagnostics
Body And Chassis Coverage:
Frame, suspension, steering, body panels, interior trim, HVAC, doors, glass
Estimated Page Count:
1500+
Type:
Workshop Service Repair Manual
Powertrain:
Engine mechanical, fuel injection, ignition, cooling, lubrication, exhaust, emission controls
Drivetrain:
Automatic transmission overhaul, transfer case operation, drive shafts, axles, differentials
Chassis:
Front and rear suspension components, steering gear, power steering system, brake system (front/rear discs, ABS)
Electrical:
Wiring diagrams, diagnostic trouble codes (DTCs), module programming, starter, alternator, battery, lighting systems, comfort features (power windows, locks)
Body:
Body panel removal/installation, interior trim, climate control (HVAC), door mechanisms, glass replacement, bumper systems
Maintenance:
Routine checks, fluid changes, filter replacements, lubrication, spark plug replacement, belt inspection/replacement
Troubleshooting:
Diagnostic flowcharts for common and uncommon issues, fault code interpretation, electrical system diagnosis
Repair:
Engine component removal and installation (head gaskets, timing chains), transmission rebuild procedures, suspension component replacement, brake caliper/rotor service, starter/alternator replacement
Diagnostics:
On-board diagnostics (OBD-II), sensor testing and replacement, module troubleshooting, electrical connector pinouts
Depth:
Comprehensive, covering everything from basic maintenance to complete engine and transmission overhauls, including electrical system schematics and diagnostic procedures.
Type:
42RLE 4-Speed Automatic Transmission
Type:
Manual Transmission (5-speed, typically for 2.4L models in specific markets)
Transfer Case 4Wd:
NV150 (Command-Trac - part-time 2WD/4WD HI/4WD LO), NV235 (Select-Trac - full-time 4WD with 2WD/4WD HI/4WD LO)
Automatic Transmission Fluid Type:
Mopar ATF+4 (MS-9602) or equivalent Dexron III/Mercon
Manual Transmission Fluid Type:
API GL-3 or GL-4, SAE 75W-90
NHTSA Rollover Resistance Rating:
Four-star rating
ABS:
Standard Anti-lock Braking System (ABS)
Traction Control:
Optional Traction Control System (TCS)
Airbags:
Standard front airbags, optional side curtain airbags
Seat Belts:
3-point front and rear seat belts, pretensioners
Audio System:
Optional Infinity speaker system, AM/FM radio with CD player, MP3 capability on some models.
Navigation:
Rarely equipped, typically not a factory option for this model year.
Power Outlets:
12V auxiliary power outlets
Oil Change Interval:
Every 3,000-6,000 miles or 6 months, depending on driving conditions (refer to manual for exact recommendations)
Engine Air Filter Replacement:
Every 15,000-30,000 miles
Cabin Air Filter Replacement:
Every 15,000-30,000 miles
Spark Plug Replacement:
Every 30,000-60,000 miles (depending on spark plug type)
Transmission Fluid Change:
Every 30,000-50,000 miles
Coolant Flush Interval:
Every 30,000-50,000 miles or 2-3 years
Engine Oil Type:
SAE 5W-30 (preferred), SAE 10W-30 also acceptable (refer to owner's manual for detailed specification and temperature ranges)
Engine Oil Capacity:
5.0 Quarts (4.7 Liters) with filter
Coolant Type:
Chrysler/Mopar HOAT (Hybrid Organic Acid Technology) Antifreeze/Coolant, typically a 50/50 mix with distilled water
Common Complaints:
Front suspension wear (ball joints, control arm bushings), differential pinion seal leaks, minor oil leaks (valve cover, oil pan), HVAC blower motor resistor failure, catalytic converter issues, radiator leaks.
Jeep Legacy:
Built upon Jeep's long-standing reputation for off-road capability and ruggedness.
Kj Generation:
First generation Liberty (KJ), introduced for the 2002 model year, replacing the Cherokee (XJ).
Design Philosophy:
A more modern interpretation of the Jeep SUV, featuring unibody construction for improved on-road manners while retaining off-road prowess.
Manufacturing Location:
Toledo, Ohio, USA
Model Year Range:
2002-2007
