A/C is only blowing from the defrost vents

2005 CADILLAC CTS
170,000 MILES • 3.5L • 6 CYL • 2WD • AUTOMATIC
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TAE MAC
  • MEMBER
  • 1 POST
It’s only blowing out of my windshield.
Mar 25, 2020 at 2:32 PM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.
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KASEKENNY
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 18,907 POSTS
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
Mar 25, 2020 at 3:40 PM
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