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International Automotive Technicians Network
Re: Tail Pipe Sniffer
Posted to Shop Management Forum on 4/4/2018

I didn't read your post at first totally . As far as combustion gas into cooling system I have not had much luck with the fluid color testers. I actually have a old radiator pressure tester rigged up with a rubber glove. Stick onto the rad cap , cold engine an... Login to read more.