Re: Back Fush Block Question

Posted by Owen_Dyneto On 2017/4/30 17:22:25

The most effective way is to separately reverse flush the radiator and block. Use one of the water/compressed air flushing guns if you can borrow one. You might consider a chemical (oxalic or citric or hydroxyacetic acids) rinse and flush beforehand.

Flushing the heater core is best done independently from the rest of the cooling system.

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