[alfa] Re: Bleeding air out of the radiator, etc.

[TJCallahan@xxxxxxx]

In AD v9n974, Biba writes:
<snip>
> Boy is this going to sound dumb...but when there is a lot of pressure in
> the radiator, the spring loaded cap raises and lets the expanded coolant
> into the reservoir. Simple enough. How the hell does it then suck it
> back in when it cools down? The bottom of the cap is now sealing off the
> hole from the reservoir, so fluid can't be sucked back in when the
> coolant cools and 'shrinks', can it?
<snip>

Biba,

It's a double valve. There's one spring-loaded valve to let the coolant out 
of the radiator (the rubber seal) and one that lets it back in (the metal piece 
in the center of the rubber seal).

I had the same question a while ago ...

Tom
Seattle
6310123
7711615
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