1997 Buick Skylark Heater/AC control inop

1997 BUICK SKYLARK
98,000 MILES
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JMACK5102
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  • 3 POSTS
My 1997 Skylark's AC and Heater units work but the vents do not change from top, mid, or bottom when switching from AC, Heat or Defrost. I suspect that it's the AC control unit or vacuum hoses. Do you have a possible solution for my problem? Thanks
Nov 13, 2013 at 6:07 AM
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SATURNTECH9
  • ✓Experienced Mechanic
  • 30,869 POSTS
Dou have a hand vacuum pump?
Nov 13, 2013 at 6:19 AM
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JMACK5102
  • MEMBER
  • 3 POSTS
No I don't
Nov 13, 2013 at 11:14 AM
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SATURNTECH9
  • ✓Experienced Mechanic
  • 30,869 POSTS
I would get one so we can test for vacuum see if things hood vacuum and apply vacuum.I think they rent them at auto zone
Nov 13, 2013 at 2:24 PM
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JMACK5102
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  • 3 POSTS
Will do. Thanks
Nov 13, 2013 at 9:00 PM
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SATURNTECH9
  • ✓Experienced Mechanic
  • 30,869 POSTS
Your welcome.
Nov 14, 2013 at 1:37 AM
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