GL model, no fancy climate control. Anyone seen the door make a popping
sound when turned all the way cold? If I back it off just a tad it won't
do it and its still cold. So, I'm thinkin its all the way cold but it
either thinks it isnt or the knob(control) is telling it to go further.
I understand it very well could be NOT going all the way cold but it
sure is close if not. Before I tear into it, is there a common failure
that causes this? TIAdvance.