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Discussion Starter · #1 ·
This might sound stupid but i've never actually heard this till last night. Radio was off, and i had the AC/Heat off. but as i turned the first knob (temp control) i could hear a mechanism turning near the glovebox. is this normal? heat and ac work fine. Obviously there would be some mechanism that responds to the control but my question is really about hearing it. should i be hearing it?
 

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yeah thats ok mine does the same thing I thought something was loose the first time I heard it too but no problem with it doing it
 

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The HVAC operates by vacumm. When you turn the knob, it re-routes the vacumm, which then pulls the diverters where they need to be.

I think its a fun little system...
 
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