if the heater coil isn't plugged why won't water circulate through it?

Asked by happyhank Nov 30, 2013 at 04:16 PM about the 2002 Mercury Sable GS Sedan FWD

Question type: Maintenance & Repair

I have flushed my heater coil both ways and got clear water through it, installed a new
thermostat and still don't have flow. The top hose is hot bottom is cold going to the heater coil.

1 Answer
199,895

dandyoun answered 10 years ago

Did you get all air out of the cooling system after replacing the thermostat? If not it could be air locked.

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