NOT SURE WHAT CONTROLS THIS FUNCTION

  • Tiny
  • Jammocan
  • 1989 GMC C1500
  • 350,000 miles

A/C is working fine but will not automatically switch over to recirculate (max cool) on warmest day like it is suppose to.

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Friday, June 22nd, 2012 AT 10:57 AM

4 Replies

  • Tiny
  • Docfixit
  • Expert
  • 18,991 posts

Check actuator remove glove box see diagram find air inlet actuator turn AC to MAX actuator should close door

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Friday, June 22nd, 2012 AT 2:58 PM
  • Tiny
  • Wrenchtech
  • Expert
  • 20,018 posts

They don't AUTOMATICALLY switch. You have a button to request that.

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Friday, June 22nd, 2012 AT 3:32 PM
  • Tiny
  • Jammocan
  • Member

Seems like actuator is working fine. Unfortunately my climate control panel does not have a max a/c switch. The owners manual says it switches to max (recirculate inside air)automatically when necessary. Any other ideas?

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Saturday, June 23rd, 2012 AT 2:39 PM
  • Tiny
  • Wrenchtech
  • Expert
  • 20,018 posts

http://i1198.photobucket.com/albums/aa448/Wrenchtech/57433636.gif

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Saturday, June 23rd, 2012 AT 2:45 PM

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