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Jeep Problems

RepairPal has identified the most common problems for 11 Jeep models based on complaints from actual vehicle owners. We'll tell you what the problem is and what it'll take to fix it.

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Known Problems

Due to warped front brake rotors or variations in the thickness of the rotors, brake pulsations may develop. The best method to reduce pulsations is to use an "On the Car" brake lathe (as long as the rotors are suitable for turning). "On the Car" equipment can correct variations (or "runout") in the rotor surfaces because it also corrects variations in other components (e.g. the hub).

The door molding may become loose on one or both front doors. Our technicians recommend to replace the molding if this occurs.

Engine oil leaks from the valve cover gasket, oil pan gasket and timing cover gasket are common.

Water may enter the liftgate ajar switch and corrode the switch connectors. This can cause the information center to display the liftgate ajar warning, the rear wiper to be inoperative, the interior lamps to stay on, the security alarm not to set, and/or the battery to drain when the engine is off. A new liftgate ajar switch is needed and the harness connector should be repaired.

The head gasket may seep oil externally. An updated head gasket is available that will prevent any more oil seepage.

The Check Engine Light may illuminate with code on or more of the following codes: P2302, P2305, P2308, P2311, P2314, P2317, P2610. Reprogramming of the PCM will be necessary to correct this concern.

4.0L 6 Cylinder
Due to misfires, you may experience a loss of power when accelerating between 50 and 70 MPH (most noticeable below 32° F). This is commonly caused by carbon buildup on the valve stems, as a result the exhaust valves may close too late. All of the exhaust valves should be inspected and if necessary the engine should be decarbonized.

A cleaner/lubricant is available from Mopar for when the soft top window zippers become stiff or difficult to move. Our technicians note this product works very well when the directions are followed properly.

Jeep issued an emissions recall in late 2006 to update the powertrain control module (PCM) software on certain 1997 - 1998 vehicles. As part of the recall, the catalytic converter will also be inspected for damage and replaced as necessary. To see if your vehicle is included in the recall you can visit the Jeep website (owners' section) that allows owners to input their VIN number and check the recalls on their vehicle.

"False" trouble codes may cause erroneous illumination of the Check Engine Light. Updating the PCM software can often correct this concern.

If the radio station or CD track changes when the steering wheel volume control is used, a revised body control module (BCM) will fix the problem.

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.

On 4x4 vehicles, the Electronic Stability Program (ESP) may not turn off when the "ESP off" button is pressed. Our technicians tell us a software update for the anti-lock brake system (ABS) control module is available for this concern.