Segment:
Compact SUV / Sport Utility Vehicle
Competitors:
Ford Escape, Chevrolet Tracker, Honda CR-V, Toyota RAV4, Nissan Xterra
Vehicle Focus:
Off-road capability, rugged design, comfortable interior, available 4WD.
Purpose:
To provide detailed service, repair, and maintenance information for the 2002 Jeep Liberty, empowering owners and technicians to maintain and repair the vehicle effectively and economically.
Powertrain:
Engine Mechanical, Fuel System, Cooling System, Exhaust System, Ignition System, Lubrication System, Starting System, Charging System, Engine Control System, Transmission (Manual and Automatic), Transfer Case, Drive Shafts, Differentials
Chassis:
Front Suspension System, Rear Suspension System, Steering System, Brake System, Wheel and Tire System, Parking Brake
Body And Interior:
Body Repair, Exterior Panels (Hood, Fenders, Bumpers, Doors, Roof), Interior Trim, Seats, Sunroof, Wiper and Washer System, Lighting System, HVAC System (Air Conditioning and Heater Radiator), Audio and Visual System, Instrument Panel, Electrical System (Wiring Diagrams)
Maintenance:
Scheduled Maintenance, Fluid Checks and Changes, Filter Replacements, Belt Inspections and Replacements, Spark Plug Replacement, Brake Pad/Shoe Replacement, Tire Rotation
Repair:
Engine Component Rebuild/Replacement, Transmission Overhaul, Suspension Component Replacement, Brake System Repair, Steering System Repair, Electrical Component Troubleshooting and Replacement, Body Panel Repair and Replacement, HVAC System Repair
Diagnostics:
Troubleshooting Guides for Common Issues, Diagnostic Trouble Codes (DTCs) Interpretation, Component Testing Procedures, Wiring Diagram Analysis
Depth:
Comprehensive from basic maintenance to complete engine and transmission rebuilds, including detailed electrical schematics and body repair procedures.
Engine 1:
2.4L 4-Cylinder (PowerTech)
Engine 1 Code:
ED3 (130 hp @ 5200 rpm, 147 lb-ft @ 4000 rpm)
Engine 2:
3.7L V6 (PowerTech)
Engine 2 Code:
EWG (210 hp @ 5200 rpm, 235 lb-ft @ 4000 rpm)
Horsepower Range:
130-210 HP
Torque Range:
147-235 lb-ft
Induction:
Multi-Point Fuel Injection (MPI)
Fuel Type:
Unleaded Gasoline
Recommended Oil:
SAE 5W-30 (API SN or higher)
Oil Capacity 4Cyl:
4.5 Quarts (4.3 Liters) with filter
Oil Capacity V6:
5.0 Quarts (4.7 Liters) with filter
Transmission 1:
5-Speed Manual (NV3500 for V6, Getrag for 4-cyl)
Transmission 2:
4-Speed Automatic (42RLE)
Drivetrain Options:
2WD (RWD), 4WD (Command-Trac NV242 or Selec-Trac NV242)
Manual Trans Fluid:
Manual Transmission Fluid (Refer to manual for specific type, e.g., Mopar manual transmission lubricant)
Automatic Trans Fluid:
ATF+4 (Mopar)
Transfer Case Fluid:
Mopar NV242 transfer case fluid (or equivalent)
NHTSA Frontal Driver:
Good (For its time)
NHTSA Frontal Passenger:
Good (For its time)
NHTSA Side Driver:
Acceptable (For its time)
NHTSA Side Rear Passenger:
Good (For its time)
ABS:
Standard on all models
Traction Control:
Optional
Electronic Stability Control:
Not widely available or standard for 2002
Airbags:
Frontal driver and passenger airbags standard. Optional side airbags.
Seatbelts:
3-point seat belts with pretensioners
Oil Change Interval:
Every 7,500 miles or 6 months, whichever comes first (under normal driving conditions).
Tire Rotation Interval:
Every 7,500 miles
Engine Coolant Flush:
Every 100,000 miles or 5 years (Mopar Antifreeze/Coolant 10 Year / 100,000 Mile Formula)
Spark Plug Replacement:
2.4L 4-cyl: 100,000 miles (platinum or iridium), 3.7L V6: 100,000 miles (platinum)
Power Steering Fluid:
ATF+4 or Mopar Power Steering Fluid
Common Issues 1:
Cracked cylinder heads (especially on early 3.7L V6 models), Transfer case issues (particularly on 4WD models), Rear main seal leaks, Sway bar link wear, Instrument cluster failure.
Common Issues 2:
HVAC blower motor resistor failure, Power window motor issues, Water pump leaks (on V6).
Jeep Legacy:
Jeep is renowned for its off-road prowess and rugged utility vehicles, originating from WWII military vehicles.
Liberty Introduction:
The Jeep Liberty (KJ) was introduced for the 2002 model year, replacing the Jeep Cherokee (XJ) in North America. It was designed to offer a balance of on-road comfort and off-road capability.
Platform:
Based on the DaimlerChrysler KJ platform, which was also used for the Dodge Nitro in later years.
Assembly Location:
Toledo, Ohio, USA