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International Automotive Technicians Network
Re: Back-Flushing Plugged Heater Core
Posted to HVAC Forum on 11/6/2006

Hi Johnny,

I kid you not:

We used to have repair facilities here that called a radiator drain and refill "a coolant flush!"

We used to have repair facilities here that called a radiator drain and refill with 50/50 "a coolant system service," no matter wh... Login to read more.