[s-cars] air leak....poor performance

[Fred Munro]

Bill;

It sounds like you have a plastic cross-over pipe (S6, right?). These pipes
can buckle under the clamp if the Samco hoses are heavily clamped, resulting
in a boost leak. You can reinforce the pipe by inserting an appropriately
sized piece of exhaust pipe inside the cross-over pipe under the clamp area
or you can replace the plastic pipe with an aluminium one off a S4.

HTH

Fred Munro
'94 S4


-----Original Message-----
From: s-car-list-bounces at audifans.com
[mailto:s-car-list-bounces at audifans.com]On Behalf Of Bill Clancy
Sent: May 8, 2005 8:37 PM
To: s-car-list at audifans.com
Subject: [s-cars] air leak....poor performance


Hello all

I have had what sounds like an air leak for a couple months or so.    I have
looked for it a few times but I cannot seem to find it.    The performance
is poor -- feels like 75% of what I used to get, and I get shitty gas
mileage too.

Can anyone suggest a place to look for it?

I think I have ruled out:
- the bypass valve (new again)
- the michelin man hose (replaced with Samco and appears in tact)
- the plastic hose before the michelin man hose (appears in tact)

What other typical failures can cause an audible hissing noise at WOT?

thanks,
-Bill

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