Hello, I have a 2007 Tucson and have been experiencing a lack of air coming from the interior vents as well as a clicking noise on the drivers side dashboard when I change the vent selector to the face setting. The floor and defroster setting produce no clicking noise but also don't blow much air out of them. I replaced the cabin filter which was dirty but it has not helped the air flow at all. I have read a few threads about the seat and the blower motor but those seem to be ok.. Is there a selector for the vents that may need to be replaced? Thanks.