A knocking sound my be heard from the engine at times with the air conditioning on. The cause could be the AC compressor itself, if that is the case there is an updated AC compressor to correct this issue.
Problems for specific Dodge Avenger years:
Car problem reports
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Most reported 2011 Dodge Avenger problems
The automatic transmission can develop problems like erratic shifting, rough shifting, or delayed gear engagement. Repairs for many of these problems are outlined in service bulletins.
The carpet under the right side of the dash may become wet with water. This can be caused by the AC evaporator drain being plugged with debris. Our technicians tell us that once the drain is clear, a cabin air filter should be installed to keep debris out.
The anti-theft system may cause a no start condition due to electrostatic discharge (ESD) affecting the wireless control module (WCM). There is an updated WCM to correct this issue.