Heat or ac don't work
When ac is on in summer it blows cold. In winter heat blows cold. Fans work thermostat
is good. Water pump is good. Compressor is fine also. I found two black flaps under car
three weeks apart. Need help bad. Any answers?
The actuator door may be stuck,or motor bad,it is located on the blower box under dash.
I Agree. That's what I would check first.
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