2002 Jeep Liberty Problems

RepairPal has identified the most common problems with the 2002 Jeep Liberty as reported by actual vehicle owners. We'll tell you what the problem is and what it'll take to fix it.

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14
Known Problems

The sky slider sunroof may not open. A software upgrade for the control module is available which should correct this concern.

Certain 2002-2006 vehicles were recalled to replace the lower ball joints because they were susceptible to damage from moisture. For more information on this recall, please click here»

An engine misfire at idle (rough idle), accompanied by illumination or flashing of the Check Engine Light, could indicate a problem with one or more of the intake valves. Revised intake valves & valve locks are available to address this concern.

A no crank or no start condition may develop due to electronic lockup of the wireless control module (WCM), also referred to as the Sentry Key Remote Entry Module (SKREEM). When this module fails the remote keyless entry system will also not operate. The WCM is commonly replaced to correct this concern.

The power window motor commonly fails in the front and rear doors. This may require replacement of the complete window regulator assembly which will include the window motor.

If the power door locks are buzzing or are intermittently noisy, a new door latch assembly may solve this. The door lock actuators are integrated into the latch assemblies.

Leaks at the front and/or rear differential pinion seal and from the transfer case are common. Low fluid level in the differential or transfer case can result in bearing failure. Damaged bearings commonly cause a whine or growl type noise.

The manual transmission may jump out of gear. Our technicians tell us that replacing the 1-2 synchronizer assembly should correct this concern.

Vehicles with a 3.7L V6 engine may develop a chirp type noise from the serpentine belt when the steering wheel is at full lock with the engine idling. Our technicians tell us a revised serpentine belt tensioner is available to correct this concern.

Broken exhaust manifold bolts can create an exhaust leak; the exhaust manifold gaskets and bolts should be replaced.

The 3.7L V6 and 4.7L V8 in very cold climates (below freezing temperatures) moisture can collect in the Positive Crankcase Ventilation (PCV) system and freeze. This will cause various drivability problems and there are revised PCV system components to repair this concern.

Putting a chamfer on the cam bearing caps, as specified in a service bulletin, can solve a "high pitch snapping noise" heard when the engine is idling or slightly above idle.

The Body Control Module (BCM) may need replacement if the instrument panel warning lamps periodically flicker.