GTV6 coolant bottle caps

[Pottree@domain.elided]

In a message dated 11/05/2001 5:45:03 AM Pacific Standard Time, 
owner-alfa-digest@domain.elided writes:


> 1982 GTV-6: cooling system/cylinder head
> 
> Richard, Alan's suggestion regarding blockage is certainly a
> possibility.  I would also offer the possibility that you have a bad
> pressure seal somewhere in the system, most likely at the cap/bottle
> interface. 
I have found the caps last only a few (around 5) years before they rot away.  
Someone got the idea to make them out of a couple of types of metal and I 
guess bigalvanic reaction to the moist and hot environment causes a low 
electric charge.  Anyhow, that sound suitably scientific.  Empirically, they 
will rot away form the inside where the spring is attached and then they're 
toast.  If it is a pressure issue this is a cheap and easy fix, and my 
favorite -- one callig for no tools other than the ones you were born with.

That said, I never had a vomiting bottle issue when the cap was worn out, but 
that may be because I just replaced it before it happened.  I would go for 
the idea of the blockage in the T connector in the plumbing.  BTW, when was 
the last time you had the radiator cleaned?  You have just water in it now -- 
what kind of water?  Corrosive potable water or gentle as a babe distilled? 
(Jay Negrin will get on me for the H2O comments, but I would be suspicious of 
a cooling system that has had tap water dissolving it for very long).

Charlie
LA, CA, USA

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