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UNDO THE BOTTOM RADIATOR HOSE AND DRAIN IT OUT..REPLACE HOSE.. THEN GET SOME OF THAT BOILING TREATMENT AND LET THAT IDLE FOR 15 OR 20 MIN.. THEN PUT IN NEW COOLANT

This is a stupid simple explanation but it is good. The only thing left out is you need to drain the treatment out before you put in the new coolant.

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โˆ™ 2015-07-15 20:53:20
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Q: How do you flush the cooling system on a Buick Century?
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