Actuator malfunction, A/C blowing only at defrost?

Tiny
DANA BROWN
  • MEMBER
  • 1994 BUICK LESABRE
  • 89,000 MILES
A/C blowing only at defrost. How do I remove the entire dash panel? Can I do that without breaking things?
Thursday, July 20th, 2023 AT 1:11 PM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,602 POSTS
It sounds like the vacuum line headed into the firewall is broken which is common, here is a guide to help you fix it.

https://www.2carpros.com/articles/air-vents-stay-in-the-defrost-position

Please go over this guide and get back to us.

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Saturday, July 22nd, 2023 AT 10:52 AM

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