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1978 Thunderbird Auto Temp Control Issue?

Discussion in '1967 - 1988 Ford Thunderbird' started by Canon_Man, Jul 27, 2017.

  1. My Dad's '78 Diamond Jubilee has had some work done on the AC (new compressor specifically).

    The AC works, but it doesn't seem to blow cold air out of any of the vents. I'm thinking maybe it's a snesor, or actuator that is not getting a good vacuum signal, or the heat plenum door(s) are stuck.

    Has anyone experienced an issue like this, and if so are there any common issues that would cause it to act up?

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