Have heat and cold air but doors will not move from defroster two air vents on dash.
Jul 7, 2017 at 2:35 AM
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HMAC300
CAR REPAIR CONTRIBUTOR
48,601 POSTS
check for a vacuum leak at control head or one of the vacuum motors. See picture can be a line has fallen off or a leak.
Image (Click to enlarge)
Jul 7, 2017 at 6:54 AM
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