[s-cars] DIY: under $10 Hose Leak Tester !!

[jeff posto]

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From: Kirby Smith
To: CLAG500 at aol.com
CC: s-car-list at audifans.com, auditechni at yahoo.com
Subject: Re: [s-cars] Boost while parked????
Date: Wed, 25 Sep 2002 23:31:29 -0400

A rubber PVC pipe cap can be adapted with a tire valve and interfaced to
the hose from the air cleaner. Be sure to disconnect and plug the hose
between the valve cover and turbo inlet. Otherwise you will also
pressurize the engine with possible leakage around the crankshaft seals.

kirby

 jeff posto <jpostup at yahoo.com> wrote:--
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Be careful.. Kirby Smith announced that using this method, there is ONE hose to disconnect, to avoid pressurizing the crankcase. Thus pushing oil out the main seals I think.
I think you will need to disconnect a hose that ventilates the intake manifold.
Kirby will jump in here a verify.
Add this piece of info, and it's a total process!
JP

"Miller, Casey" wrote:This is a multi-part message in MIME format.
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Hi,
With all of these boost loss questions lately...

I cannot take credit for thinking of this nifty little device...that
goes to my brother (or if he didn't think of it, whomever did). Anyway
this thing has proven time and again to be one of the simplest and
quickest, most fail proof devices for testing for leaks in your turbo
boost system.

At home depot...buy a 3" Fernco brand Plumbquick Qwik=Cap (in plumbing
section). It's just a rubber cap with a hose clamp attached. Next
you'll need to buy a shraeder valve (tire valve) to merge with the cap,
so that you can hook up an air compressor to it and fill your system
with a little (< 10lbs) of air. Drill a little hole in the cap and
insert (or sandwich) it with the schrader valve. (sorry no dig
camera--but picture the simplest device ever created and you'll have the
general idea).

Then, take off the large (just under 3") air intake hose that goes into
your air box on the passenger side of your car. Pop the cap you built
over the HOSE. Cinch up the hose clamp just so it's snug. Hook
compressor (or bike pump) up to the valve on the cap. Put a little
(once again only about 10lbs) of air into the system and listen for
where it's leaking. It's important not to over inflate everything, just
put enough air in to see if it's leaking anywhere.

Very simple, very effective.

HTH's everyone, it sure has helped me in the past.

Thanks Tim!

-Casey

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