[elky] Heat Control

When I have the A/C compressor on (in NORM or MAX position), if I move the 
temperature slider away from "COLD", more than about 1/4", the air coming from 
the vents gets HOT very quickly and I have to move the slider back all the way 
to "COLD."

Either the cable needs to be adjusted, or there is a plastic piece on the blend 
door that is broken.  Adjusting the cable is fairly easy, but if there is a 
broken piece, does anyone know which one it is, what it is called, and how hard 
it is to find one?

What seems to be happening is when I move the slider from "COLD", the heater 
valve under the hood opens (it is either fully open or closed, controlled by 
vacuum), but the blend door is not closed all the way, so I get a big dose of 
hot air.  The door must be open quite a bit, because the air is hot enough to 
overwhelm the cold air that's coming out of the evaporator coil.

At any rate, I'll find out what's up when I go to adjust the cable, but I 
wondered if anyone was familiar with the plastic pieces that may be broken that 
would keep the blend door from working as intended.

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