He is most probably referring to the head gasket in a layman kind of way.
Zoltan
----- Original Message -----
From: "John Bange" <jbange@GMAIL.COM>
To: <vanagon@GERRY.VANAGON.COM>
Sent: Wednesday, May 07, 2008 4:35 PM
Subject: Re: :more info: How much should i sell for? (and does anyone want
to buy?)

>>   Other than that it runs great it just needs an "O ring" near the heads.
>
> errrr.... There are quite a few O-rings "near the heads". Is it a
> coolant line O-ring? A fuel injector O-ring? A cylinder O-ring?
> Exactly which it needs  makes a big difference. Failure on someone's
> part to specify where will have any rational buyer questioning whether
> it needs JUST and O-ring. Usually one specifies exactly what's
> leaking, rather than simply naming the generic type of part needed to
> fix the leak.
>
> --
> John Bange
> '90 Vanagon - "Geldsauger"
> '90 Vanagon GL - "Wiesel"
>
>
> --
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