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Re: CLR and heater cores
Posted to Open Discussion Forum on 2/21/2023 13 Replies

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G'day Carl, I'm with you. No amount of additives, reverse flushing or soaking will unblock a heater core or radiator. Only one method will work and that is remove at least one tank and rod out the co... Login to read more.

13 Replies Received (View Replies)