the fickle (and inevitable) finger of fate

[Jeff.Bernstein at pneumaticscale.com]

The factory piece has the advantage over straight copper since it has a barb
on the end to hold the hose and the coefficient of expansion should be
similar for the plastic piece from Audi and the plastic radiator housing.

I do agree that either way the surface preparation of both pieces is very
important to the success of the epoxy bond.  I am somewhat realist that this
repair will not last indefinitely even with all the care that I took to make
it last.

Jeff Bernstein

-----Original Message-----
From: Brett Dikeman [mailto:brett at cloud9.net]
Sent: Tuesday, April 22, 2003 2:51 PM
To: Jeff.Bernstein at pneumaticscale.com; pjrose at frontiernet.net
Cc: 200q20v at audifans.com
Subject: Re: the fickle (and inevitable) finger of fate


At 12:21 PM -0500 4/22/03, Jeff.Bernstein at pneumaticscale.com wrote:
>Seven or eight months ago I went to buy the Audi repair kit and found that
>the nipple wasn't too expensive ($10 or $20) but the epoxy kit was very
>expensive ($65 or $75).  I tracked down the supplier of the epoxy and
>determined that this epoxy is nothing that special so I found a slow curing
>epoxy that had the highest temperature I could find at Home Depot for under
>$5.00.  This has held very well so far.

My father fixed our old 5000 the same way- he used a copper plumbing
joint and some epoxy.

Key is to really rough up the surfaces on the fitting and the plastic
pieces, or the epoxy won't hold; the first attempt failed for that
reason.

B
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