=20
>> I am also considering to tighten all head bolts to see if it can cure it.
>> Is this a good idea?
>
>NO!!! go with the first plan, tightening the head bolts after the leak=20
>has already found a path won't stop the leak.  Tightening the head bolts=20
>will very likely allow your heads to warp badly (especially with the=20
>higher temps associated with the coolant prob.)
>Don't do it!
>
><sstones@io.org>
>SStones             Toronto,  Ontario.
>
>

Why should you not try to tighten the head bolts first? If the leaking is=20
due to loosened bolts, you can cure the problem with tightening. While doing=
=20
this, you should pay more attention to high temperature of the coolant and=
=20
strictly avoid high temps.

T.S.
83=B4 Vanagon with a leaking rubber head gasket some months ago