For the past two days my 03 Liberty fwd has made a sporadic clicking or crackling sound from the front end. It only does it in park or when stopped at a stop light. (although perhaps I just can't hear it when driving because the engine drowns it out.) At first I thought it was coming from the belt or fan area but I can't pinpoint the sound. Sounds more like it is underneath the front end. It is not continuous, but will do it a few times, sound normal, then do it a few more times. Anyone have similar issues?