anton Posted July 18, 2012 Report Share Posted July 18, 2012 a dry powder like substance is in my AC vent its black in color and its of a concern to me as we breath that air. its not dust for sure and i get the car cleaned everyday form inside out then what could it be? Link to comment Share on other sites More sharing options...
manant Posted July 20, 2012 Report Share Posted July 20, 2012 the black powder can be the AC filter is not clean so first see if the filter is clean and then we can take it from there Link to comment Share on other sites More sharing options...
albert Posted August 5, 2012 Report Share Posted August 5, 2012 its best to service the AC on regular intervals specially in summers so this will itself eliminate half of the problems that you have or may have in future. Link to comment Share on other sites More sharing options...
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