One problem related to engine knocking noise has been reported for the 2011 Jeep Liberty. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2011 Jeep Liberty based on all problems reported for the 2011 Liberty.
2011 Jeep Liberty with 76,310 experienced immediate and catastrophic engine failure while driving on a city street. Just prior to failing the oil pressure and check engines lights came on. A knocking noise occurred right before failure. Oil blew from the engine covering roadway under the vehicle. The vehicle was always serviced by the local Jeep dealership per the recommended schedules. The vehicle was towed to the same dealership where it was serviced. Tear down of the engine by Jeep certified technicians revealed several failed components making exact root cause of failure unknown. Cost to replace the engine and related parts was $7,800. Chrysler customer care was contacted about covering the cost of the engine. Any assistance by Chrysler was denied.