Quote:
Originally Posted by pj67coll
Maybe nothing to do with the coolant. Could it be that some flap in the heater box is not operating correctly. Maybe the recirculate flap is not closing all the way? This time of year that would allow cold air into the mix would it not?
- Peter.
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Still dealing with this issue. I think a flap is the culprit, allowing cold air in that overwhelms the heat at high speeds. Winter is coming! help!