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Flushing Out The Radiator


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arnt you supposed to run a hose through it?  i havent ever hear or some special product for the purpose.

They do make fittings to flush it out with a garden hose, at least for automotive applications. You remove the thermostat and lower radiator hose and basically garden hose out the whole thing. Seems to work well. But, they do also have an acid flush product that's supposed to help remove some of the junk that builds up. Not sure how it'd like that plastic impeller though... but it works fine with rubber hoses, etc. If Autozone/Advance doesn't have it, a GM Stealership does..

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