Question about 1992 Buick Regal
Sounds like a blend door, if this started up right after you had the core done it would seem to point to that.
What you have is a door or doors that are moved back and forth to blend cold & hot air, a "peg" is located on this door and a arm is connected to it, if that peg snaps off as it dose in most cases you get little or no action out of the door and it can be stuck in one position.
My advice is to take you car back to the place or person that did the heater core and tell them that you believe one of your "blend doors" was not hooked up when they did the work, they may check it for free, or not.
With luck the arm is just disconnected or something loose, you may or may not be able to look up under your dash and see the "peg & arm" but it's worth a shot.
Hope this helps.
Posted on Dec 31, 2010
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Posted on Jan 02, 2017
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