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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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238
Known Problems

A ringing sound may be noted from the driveshaft when shifting from drive to reverse and reverse to drive. The repair may involve replacing the automatic transmission output flange and applying "Stud N Bearing Mount Adhesive" to the transmission output shaft flange splines.

Delayed engagement of the automatic transmission may be due to a faulty internal cooler return filter. Our technicians tell us all cooler filters with the "AB" suffix on the part number are suspect and should be replaced.

A Check Engine Light may illuminate indicating a "Cylinder #3 Misfire." This normally occurs in hot weather after the vehicle has been driven, parked for ten to twenty minutes, and then restarted. Heat from the exhaust vaporizes fuel inside the #3 fuel injector and causes the misfire. Installing an insulator sleeve normally lowers the temperature enough so the fuel will not vaporize.

Excessive gear noise can indicate differential bearing failures.

A ticking type noise may be noted from the engine area due to an exhaust manifold that has cracked where the pipes are welded; cracked manifolds should be replaced.

Leaks at the front and/or rear differential pinion seal and from the transfer case are common. Leakage from the transfer case normally occurs at the case-mating surfaces and require removal of the transfer case to reseal.

Spark knock, noise/vibration/harshness, and/or Check Engine Light issues may develop. Our technicians tell us powertrain control module (PCM) software upgrades may correct these concerns.

A loud buzzing or whining when the transmission is in reverse may be caused by a regulator valve in the transmission valve body. A revised valve was released that does not resonate. Careful diagnosis should be performed because other causes can create the noise.

The ABS light can come on, indicating an ABS pump motor circuit fault. This is most likely to occur in warmer areas (above 90° F) and usually after a quick stop, like a refueling. If no faults can be found in the pump motor circuit after proper diagnostics, there is a revised ABS control module which should correct this concern.

Software updates are available to solve various Check Engine Light and warning light related issues.

The AC evaporator drain commonly clogs and causes water to leak onto the passenger side floor. A sloshing noise may also be heard from the water inside the heater housing. Decaying organic debris in the housing may cause an odor. A service bulletin (TSB 24-06-96) was released; it describes how to clean the drain tube without removing the heater AC housing.

A ticking noise may be noted when vehicle is cold due to an exhaust leak caused by broken exhaust manifold bolts. Replacement of these bolts and associated gaskets is necessary to fix the condition.

Vehicles with manual temperature control may develop a condition where warm air is coming from the instrument panel outlets when cold has been selected. Our technicians tell us a revised air distribution housing is available to correct this concern.

Vehicles equipped with a MYGIG radio may encounter a dead battery condition. This can be caused by the radio not powering down properly. Flickering of the radio backlighting when the radio should be powered down would indicate a fault requiring replacement of the radio.