Hose ID

[DAK]

That's a crank case breather hose. Mine is soft and starting to crack.
Part # is 034 103 221
I've had that go on previous audi turbo's and it can cause a vacuum leak
(that can lead to poor idle and/or stalling).

David

RICHARD MEZIC wrote:

>As a measure of preventive maintenance, I changed my coolant hoses last
>week.  While under the hood, I saw another hose that I can't ID.  Under
>the hoses running to the radiator and under the turbo after-run pump
>there's a hose that is connected to the block.  Fairly large diameter.
>Not too long.  My seems VERY squishy and almost flat at one point.  It's
>not part of the cooling system.  But it doesn't look like it's part of
>the oiling system or the brakes/steering.
>
>Anyone know what it is?  I looked in the Bentley manual.  Various
>diagrams show it, but it's never labeled - likes it's included for
>reference purposes but not part of the system you're working on.
>
>Anyone?
>
>-RJM-
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