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International Automotive Technicians Network
Re: rotational noise
Posted to Technical Discussion Forum on 9/27/2023

I have an old engine cylinder [...].I wrap it with scotch bright. Put an extension on it from a boiler cleaner.(Small worm clamps)Then I put it in a drill and wash cleaner down the tubes.

First one I made. I used a boiler brush from my HVAC store. Then I put... Login to read more.