Nipple on turbocharger

Brandon Rogers brogers at
Thu Jun 2 15:40:06 EDT 2005

except for the nipple facing _forwards_ on the cold side that is hooked via 
a hose to the bypass valve.  But again this should not face the firewall.  I 
bet Henry nailed it(below)

----- Original Message ----- 
From: "Henry A Harper III" <hah at>
To: <tdehoff at>; <200q20v at>
Sent: Thursday, June 02, 2005 1:19 PM
Subject: RE: Nipple on turbocharger

>> Gentlemen:
>> I have been bothered by, what looks to me to be a nipple for a
>> vacum line on the top of the turbocharger. The nipple is pointed
>> towards the firewall in my car.  What's the purpose of this
>> nipple? and do I need to be concerned that mine is not connected
>> to anything.
> The nipple on top of the =>wastegate<= is a vent intended to be open to
> atmosphere so the wastegate diaphragm can move freely and do its job:
> The actual turbocharger itself should not have anything that looks like it
> needs connecting to a vacuum line. There should be one oil line in, one 
> oil
> line out, one water line in, one water line out - all connected.
> Henry
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