[s-cars] Slow Tire Leak

[Mtgadbois at aol.com]

Hi,
 
I'm coming into this thread a bit late but here is my experience and I'm  
located near Chicago. Most of the slow air leaks I have had have been due  
primarily to corrosion at the rim.  Yes, grinding it off and applying a  sealant is 
the usual cure.  I think the problem is due to salt eating away  the rim.  
Lastly, I did have a hard-to-find problem in my long gone 1983  5000T.  The 
problem turned out to be porosity in a rim.  Putting the  wheel in water you could 
see a slow stream of bubbles coming out of the center  of the rim.  The rim 
was a Ronal.  The cure was replacing the rim  under warranty.  The '83 5000T was 
the last Audi I bought new.  They  are a great buy used, aren't they?
 
Mark near Chicago
 
 
Date: Sat, 15 Mar 2008 16:28:19 -0700
From:  <calvinlc at earthlink.net>
Subject: Re: [s-cars] Slow Tire Leak
To:  "Max Hoepli" <mhoepli at vif.com>,     <quattro at audifans.com>
Cc: audi_owners_usa at yahoogroups.com,  s-car-list at audifans.com,
w-t_audifans at yahoogroups.com

I  had a set of '89 200 Pearl White rims that none of the tire garages could
get  to stop leaking a slow leak.  I think a lot of it was due to the  paint
finish coming off...I'm not sure....but I finally had to buy a  replacement
set of rims to stop the  weekly tire filling  crap.
--Calvin

-----Original Message-----
From: Robert Myers  [mailto:bob at chips-ur-s.com]
Sent: March 15, 2008 16:17
To: Max  Hoepli
Subject: Re: Slow Tire Leak

Valve stem leakage is probably most  common - aside from punctures, of
course.  I have also seen slow leakage  resulting from a small crack
in the wheel after pothole  participation.

At 06:11 PM 3/15/2008, you wrote:
>Hello  all,
>
>
>
>Unique problem. Have slow leaking tire, all  tires have 5600 km, 9 hole
>Al-alloy rims are at least 10 years old from  S-Audi, not original to my
car.
>Was told Al-alloy when getting old  will have problem of slow leak due to
>oxidizing at inside inner rim.  Anyone have such experience? In the tire
shop
>garage noticed workers  will take large buffing machines and clean away this
>gray like sediment  from inner rims. Piles of gray produced in  garage.
>
>
>
>1986 Type 44 Turbo  Quattro
>
>Max
>
>_______________________________________________



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