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#1 |
Join Date: Feb 2016
Location: Carterville Illinois
Posts: 846
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I've noticed this ever since I've had the car. A loud bang / thump / pop whenever I switch between vent modes. And doesn't matter if I'm using the A/C or heat. But for instance if the unit is set on the floor vents, and I hit the button for the dash vents, there is a VERY loud bang....Like something is hitting the underside of the dash. It only happens when I hit the button for the dash vents, or the dash/floor vent combo button. I haven't really dug into this yet, as I hardly use the A/C or heat, which both work fine. The unit works fine, all vents blow out hot or cold air.
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