is there a safety valve on the heating core that prevents water from circulating?

Andrea Baker

Asked by Jan 23, 2014 at 08:00 PM about the 1999 Chrysler LHS 4 Dr STD Sedan

Question type: Maintenance & Repair

Heater is blowing cold air only

1 Answer


Basically no, there is a servo motor that opens the blend door for heat or cool, the motor could be bad or the door is jammed or broken, something a Tech will have to check out.

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