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Re: Radiators Without Petcocks
Posted to Technical Tips Forum on 6/17/2018 2 Replies

You could also put a hole in the end of the lower hose. VW does this from factory on some of the heater hoses. In that case it's a air purge vent. You slide the hose back until you expose the hole. It's works well for an air purge so you would think it would m... Login to read more.

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