Fuel leak'90 90q20v

John Larson j.d.larson at verizon.net
Wed May 22 08:34:10 EDT 2002

That stuff offgasses for a long time, and the fumes are the problem.  IMPO,
silicone should NEVER be used anywhere on a vehicle equipped with an O2
sensor.  We use a Wurth product called "rubber care" which serves the
purpose without any silicone.  According to Bosch, even a little can kill
the sensor.  John
----- Original Message -----
From: "john clarke" <johnclarke303 at hotmail.com>
To: <j.d.larson at verizon.net>; <quattro at audifans.com>
Sent: Wednesday, May 22, 2002 4:23 AM
Subject: RE: Fuel leak'90 90q20v

> John,
> The lube was only on the area where the overflow tube joined into the
> rubber splash shield to aide in removal.  Should any fuel get in contact
> with where I had lubed, it would only wash any remaining lube residue over
> the side of the car--to get any in the tank, the car would have to be
> down :-)
> Cheers,
> John
> >From: "John Larson" <j.d.larson at verizon.net>
> >To: <johnclarke303 at hotmail.com>, <quattro at audifans.com>
> >Subject: RE: Fuel leak'90 90q20v
> >Date: Tue, 21 May 2002 19:26:20 -0700
> >
> >That silicone you sprayed/slopped around the filler neck is a no-no.  I
> >suggest a thorough cleaning of the area with hot soapy water or even
> >brakleen to lessen the possibility of "outgassing".  ANY silicone in the
> >area of the fuel or intake system is likely to result in premature O2
> >sensor
> >failure.  Check the archives.  Sometime ago I posted the service bulletin
> >regarding this subject.  John
> >
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