Posted 3/9/2013 15:33 (#2953191 - in reply to #2953052) Subject: Re: Flushing antifreeze in 4440 JD
Eastern Iowa
If you want to flush the heater core you will have to drain old antifreeze fill with water run motor with Heater valve on heat, warm it up so thermostat is open so it circulates then drain it and add new coolant. Don't use high silicone antifreeze found in some of the automotive antifreezes.
Flushing antifreeze in 4440 JD
