2004 Chevy Tahoe

Tiny
PSTARNES
  • MEMBER
  • 2004 CHEVROLET TAHOE
  • V8
  • 4WD
  • AUTOMATIC
  • 10,900 MILES
My battery died so I replaced it and now the ac blows on defrost what do I need to do to fix it?
Wednesday, July 2nd, 2008 AT 9:44 PM

1 Reply

Tiny
PEAR69
  • MECHANIC
  • 1,482 POSTS
Nothing, that is how the defrost works. When you turn on the defrost the A/C turns on automaticaly. If you mean that the air blows out of your "vent" air ducts when you turn on the A/C then you may have something stuck in your air duct plentum or a air duct plentum door is not working. This type of repair involves removing the entire dash board and air ducts to just find the problem.
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Wednesday, December 4th, 2019 AT 8:28 PM

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