My uncle's '89 2.1l  Wetsy just had an engine rebuild, and now he
is getting bubbles in his refill tank when the engine is hot, and often
the level rises to fill the tank. He's been told by one mechanic that
this is normal, but is of course worried about head gaskets.
Since the van has well over 400k km, he's also worried about the
orginal radiator being plugged, leaking, or both. The van runs fairly
hot, but the gauge drops 3/16" when the heater is left on high.

I've never seen this kind of bubbling on my '88 so I don't think it's
normal... is it?

Shawn Wright, I.T. Manager
Shawnigan Lake School
swright@SLS.bc.ca
http://Zuiko.sls.bc.ca/swright
http://www.sls.bc.ca