A/C vent operation

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bracketchev1221

Royal Smart Person
Jan 18, 2018
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I have a 1980 Malibu Classic with A/C that I just got. Preliminary testing has showed that the A/C does in fact work, but I can't seem to get flow out of the dash vents. I get it out of the defroster window vent and out the floor vent. Heat seems to be the same. What can I do to che
 

bracketchev1221

Royal Smart Person
Jan 18, 2018
1,406
1,644
113
Apparently some of it got cut off.

I have a 1980 Malibu Classic with A/C that I just got. Preliminary testing has showed that the A/C does in fact work, but I can't seem to get flow out of the dash vents. I get it out of the defroster window vent and out the floor vent. Heat seems to be the same. What can I do to check this? Is there a damper door that I can find?
 

Jimmy

Greasemonkey
Jan 25, 2016
216
469
63
Gulfport, MS
It is most likely a vacuum line problem. Either with the selector switch on the controls or coming from the vacuum ball itself. I don't have the drawings with me but if you search no air out of vents on here it has been covered.
 
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