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Discussion Starter · #1 ·
My parents have a 2005 V70R GT. The car is getting an intermittent loud buzz from under the hood. It appears to originate from the part noted in the photo below. Does anyone know what that part is?

 

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Vacuum pump. Thats just what it does. Should be on startup only or other low vacuum situations. If it kicks on more often you might have a leak somewhere
 

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Discussion Starter · #3 ·
Hmm. Ok thanks. It seems to be running more and more. Yesterday it ran continuously on a highway trip. After restarting the car it turned off.

-Ted
 
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