Thread: Phosphoric Acid in radiator?
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09-27-2009 05:51 PM #1
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Phosphoric Acid in radiator?
I have been playing with this stuff
but while researching it I see you could put in your radiator to clean out the rust. Has anyone tried this?
Friends dont let friends drive fords!
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09-28-2009 04:55 AM #2
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Might be hard on water pump seals, heater valves, and composite gaskets.
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09-28-2009 07:17 AM #3
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Don't know the boiling point and how it changes under pressure, but it's used in food processing so it should be safe for seals, valves, etc.
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09-28-2009 08:59 AM #4
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Flush the radiator. add your phosphoric acid and fill radiator with water and run till hot.Drain and flush.Add 1/2 box of baking soda,fill radiator and run till hot,drain & flush,refill with 50/50 antifreeze and water.
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09-30-2009 08:08 PM #5
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White vinegar is supposed to be a very good cleaner for rust and crud. Fill with the vinegar, run it a couple of days and drain. Flush good with water.
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