What is this part?

[sdewitt at stx.rr.com]

That is your heater control valve.

----- Original Message -----
From: Lokkju <lokkju at gmail.com>
Date: Thursday, May 5, 2005 2:42 pm
Subject: What is this part?

> Can anyone identify this part for me - it is the one with the two
> water hoses connected to it, and the vacuum tube(?) coming out the
> top...  This is a 1987 5000S Quattro - as I mentioned in an earlier
> post, this just plain seperated on me, dumping all my coolent - 
> what I
> really need to figure out is if replacing the part will fix the
> cooling system, or if the part failing was just a symptom of a larger
> problem...
> 
> Thank
> Nick
> 
> http://xs.to/xs.php?h=xs27&d=05184&f=AudiPart01.jpg
> http://xs.to/xs.php?h=xs27&d=05184&f=AudiPart02.jpg
> http://xs.to/xs.php?h=xs27&d=05184&f=AudiPart03.jpg
> http://xs.to/xs.php?h=xs27&d=05184&f=AudiPart04.jpg
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