Out here where it doesn't freeze they're called core plugs. And
those that know how an engine block is cast:
http://www.stevepdesign.demon.co.uk/...ore%20assy.jpg
God Bless America, Bill O|||||||O
http://www.billhughes.com/

DougW wrote:
>
> ..freezer valves?..
>
> If your friend is talking about the freezeplugs or casting plugs
> then that is possible but highly unlikely.
>
> It is more likely the hoses are old.
> Look around the engine, under the engine, and check
> the hoses that lead to the heater core (run back along
> the passenger side of the valve cover) These can crack
> at the pump.
>
> Is the radiator compleatly empty?
> You will probably have to fill it up and run the engine
> to find where the coolant went.
>
> Also wash down the coolant from the street/driveway. It is
> toxic to animals.
>
> --
> DougW