Lee, I had similar problem with a 2000 Impala.  Seems that a rock had gotten
between rotor and wheel (that is what description I found on Internet said)
and caused crack in the wheel.  Local Tires Plus store had wheel welded,
etc., and it was okay when I sold car earlier this year.

John
----- Original Message -----
From: "Lee Kouns" <LeeKouns@WEBTV.NET>
To: <vanagon@GERRY.VANAGON.COM>
Sent: Saturday, August 19, 2006 1:57 AM
Subject: Slow tire leak

> Hi everyone,
> I have a slow leak in one of my tires.  It took a week for the pressure
> to drop from 38 lbs to 24 lbs.  The tire is not very worn and I haven't
> found any punctures.  I put soapy water around the valve stem and didn't
> find any bubbles forming.  Any suggestions on possible approaches for
> this situation?
>   Thanks for your input.
> Lee Kouns
> '88 Westy
>