I fear that it is time to repair/replace my heater core. I get a whiff of coolant when I first turn on the heater. There is no coolant odor until the heater valve (just replaced, by the way) is opened. The smell doesn't last long, but from reading archives, I guess it will only get worse. In addition the blower motor is starting to 'chirp' at low speed - so I'll replace that while I'm at it.
I wonder if I can save some money by taking the heater core to a radiator shop and having it repaired. I've done this in the past with an old honda civic core.
Also, any good theories as to why the smell only occurs upon the opening of the heater valve and does not persist the entire time the valve is open?
Thanks in advance!
Tom
'86 240 Wagon 232k
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