Quote:
Originally Posted by ksing44
I get a very loud slapping sound from the center of the dash when I start my car with my climate control set in “auto” mode. It does not slap if I keep the control set to low fan. Is there something that would cause my vents to slap shut with such a loud noise?
I suspect it may be some kind of a vacuum thing, but it would be great to have a definitive answer and a possibly a little direction about a possible remedy.
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It sounds like the main air flap is closing. But, I don't think it should make a noise like that. I wonder if one of the pods going bad could cause that? Hmmm. Wouldn't hurt to pull the passenger airbag and check the 7 lines, see if they hold vacuum when tested with a MityVac. Does it do the same thing if you are in "EC" mode or not?