1993 Oldsmobile Achieva Heater/AC control assembly

1993 OLDSMOBILE ACHIEVA
195,000 MILES • 4 CYL • FWD • AUTOMATIC
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ALEXBELOZ
  • MEMBER
  • 8 POSTS
Car ventilation works normally, except "defroster" and "defogger". Having blown in a windshield does not work. Snow on a windshield does not thaw in the winter. What reason can be?
Nov 13, 2009 at 4:06 PM
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BLUELIGHTNIN6
  • ✓Experienced Mechanic
  • 16,542 POSTS
Hello and thanks for the donation!

I'm not sure I completely understand the question. Are you saying that when the heater is set to the defrost position, it isn't blowing or it isn't warm enough to defrost the front windshield?
Dec 10, 2009 at 3:06 AM
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ALEXBELOZ
  • MEMBER
  • 8 POSTS
In various positions of the heater ventilation does not blow on a windshield, and also very poorly blows in feet, but always well blows in car salon.
Dec 13, 2009 at 12:25 AM
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BLUELIGHTNIN6
  • ✓Experienced Mechanic
  • 16,542 POSTS
Check heater and a/c system for a vacuum line loose or damaged behind dash
Dec 13, 2009 at 7:45 AM
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