Best way to clean out a radiator - Diesel Bombers



Ford Powerstroke 94-98 7.3L Discussion of 94-98 7.3 Liter Ford Powerstroke Turbo Diesels

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Old 06-16-2013, 09:37 PM
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Default Best way to clean out a radiator

Im replacing my radiator on my 97 PSD because the one in the truck now has I leak in the end tank. I have a used radiator im going to use im curious on what is the best way to clean it out? I have noticed the radiator im using has a coating of a yellow powder like substance and I want to get all that junk out before I put it in the truck.
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Old 06-16-2013, 09:46 PM
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Vinegar or hot water and dawn and try to run it thru and cycle it around in the radiator. If you have a long hose so you can connect the lower and upper raiator and cylce water and dawn thru it, or cap it and some vinegar and fill it with water and let it sit and rinse and repeat as neccesary.

Last edited by RanchhandTCR; 06-16-2013 at 09:50 PM.
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Old 06-16-2013, 09:52 PM
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OK thank you! Maybe I could put the mix in there and shake the radiator around ?
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Old 06-16-2013, 11:24 PM
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If you put the vinegar in first the water pressure will mix it up good, just let it sit and let it work and then rise it out and see if it helped.
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Old 06-17-2013, 12:36 AM
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i hear the dishwasher tablets are supposed to work good
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Old 06-20-2013, 11:36 AM
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i used the vinegar and it cleaned most of the crap out of there
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Old 06-22-2013, 05:38 PM
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Good deal..
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Old 06-23-2013, 10:35 PM
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I've heard that muriatic acid can be used. Does anyone have tried it? To me, muriatic is too stong.
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Old 06-30-2013, 07:47 PM
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try the vinegar it worked good for me
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Old 07-01-2013, 10:07 PM
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depends on what your radiator is made out off, if its aluminum dont even think it..
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