A/C is only blowing from the defrost vents

Tiny
TAE MAC
  • MEMBER
  • 2005 CADILLAC CTS
  • 3.5L
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 170,000 MILES
It’s only blowing out of my windshield.
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Wednesday, March 25th, 2020 AT 2:32 PM

1 Reply

Tiny
KASEKENNY1
  • EXPERT
This is normally the mode door actuator. When they fail they default to the defrost position. This is so that no matter what the windshield will not fog or ice over. It becomes a safety issue. I included the process on how to replace this.

Here is a guide that talk in more detail about this issue:

Let me know if you have questions.

https://www.2carpros.com/articles/air-vents-stay-in-the-defrost-position
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Wednesday, March 25th, 2020 AT 3:40 PM

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