[s-cars] Pressure Tester-Doofus

[Aaron Taylor]

Regarding leaky crossovers - 
Look under and around the plastic mounting tabs.  It may not be apparent at
first sight. My mechanic missed it on mine but sure enough it was badly
cracked under the tabs.
Have fun
Aaron

-----Original Message-----
From: s-car-list-bounces at audifans.com
[mailto:s-car-list-bounces at audifans.com] On Behalf Of Charlie Smith
Sent: Sunday, April 30, 2006 8:55 AM
To: Igor Kessel
Cc: Charlie Smith; Audi S Car List
Subject: Re: [s-cars] Pressure Tester-Doofus

Earlier, Igor Kessel wrote:
> 
> Are you guys saying that with the help of this gizmo you manage to pump 
> the air into the intake and get it to stay in the system? I was never 
> successful in doing so. 

Yes.  There will be small leaks around the throttle plate, but you
should be able to build pressure in the intake system.

> Do I have a massive air leak somewhere?

I'd bet so.  

Take the plastic crossover pipe off and look at it.  I replaced mine with
one of the fabricated aluminum crossover pipes, I don't remember who was
selling them.

I went into this after suspecting that my plastic ended intercooler was
leaking.  As a historical note, I had blown the plastic ends off my 
5kCSTQ intercooler a couple times while experimenting with stronger 
wastegate springs.  So I had a used all aluminum intercooler laying on
the garage floor when I pulled the crossover pipe off.  If it's your
intercooler and not the crossover pipe, as a temporary solution - I had 
success on the 5kCSTQ clamping the ends back on and using a liberal 
application of JB-Weld.

If someone on the list remembers who makes and/or sells the fabricated 
aluminum crossover pipes, please let the rest of us know.

    - Charlie


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