Quote:
Originally Posted by marshall834
I think I hear that pump every time you open a door, unlock your doors, correct? Small humming sound.
I'm not so sure I've ever heard the exhaust flap closing. I'll have to pay attention to that.
Regardless, good info, thanks!
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Yup when you open the door you can hear it. Mine has failed a few months back I will get around to repacing it, after I found out its function I just set my JB4 to autoclear the code it would set off and Ill worry about it when I have the time to care.