1980 300 td
anyone know what coolent hoses to connect together in order to by pass my cracked vacuum servo thing( the black box with a bunch of vacuum lines) I would like to connect the hoses in order to get hot water to the heater core. there are four coolant hoses. I assume i would connect the one directly across from the auxillary water pump, is this true? or is there some kriss cross action going on from the four hoses?
thank you
william

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'73 VW camper
'80 300td wagon