Get a new sensor (dealer part #251-919-372). It's probably cracked, and
besides, its not that expensive ($11). It comes with a new seal.
~Dan
----- Original Message -----
From: "patrice b" <prb@TELEVAR.COM>
To: <vanagon@GERRY.VANAGON.COM>
Sent: Tuesday, June 11, 2002 11:48 PM
Subject: [FIX] seal on Expansion Tank sensor

> I flushed the coolant a week or so ago, and was checking the expansion
tank
> today (again) after driving...I'm happy that I'm not losing any level from
> overflow/refill tank, and the small bubble of air at the top of the
> expansion tank has worked itself out...BUT i saw a glimmer of liquid
around
> the edge of the sensor that's set into that expansion tank, and sure
enough
> when I touched it was wet.  The system was hot and when I pressed on the
> sensor plug it hissed a teeny hiss of air.
>
> Question-- how do I seal that again (as in "with what"). Also, can
whatever
> goop go on it as is, or do I have to take it apart and dry it? (I don't
> wanna re-bleed the system.  Whaaaaaaaa!)
>
> --Patrice
> 85 "Vana Blue"
>