1997 Buick Riviera Q&A

1997 Buick Riviera Question: AC Blows Cold & Hot

When I turn the temp dial to (all the way) to run the AC the blower blows cold air through certain vents and hot air through the others?? Is this a relay or electrical issue or just a problem with the vent door? -
Answer 1
Sounds like your blend doors are not working correctly. This is something that needs diagnostics. -