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Air conditioning

Tiny
JANETCLAIRE50
  • MEMBER
  • 1998 CADILLAC DEVILLE
  • 0.5L
  • V8
  • FWD
  • AUTOMATIC
  • 153,000 MILES
Air conditioning does not blow out of the front vents, it is coming out of the defrost and floor vents.
Monday, April 25th, 2016 AT 2:05 PM

4 Replies

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Follow the instructions in the picture below and get codes then get back to us. This has to be done with an automatic temperature control.
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Monday, April 25th, 2016 AT 4:10 PM
Tiny
RENEE L
  • ADMIN
  • 1,260 POSTS
Hi JANETCLAIRE50,

Here is a link to a video from our site that shows you how you can scan for codes yourself. If you do not have a scanner you can purchase one from Amazon or most auto parts stores will rent one to you.

https://www.youtube.com/watch?v=YV3TRZwer8k

I hope this helps you. Please let us know how it turns out and thank you for your question.
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Tuesday, April 26th, 2016 AT 5:29 PM
Tiny
JANETCLAIRE50
  • MEMBER
  • 2 POSTS
ACM B1340 and B1341
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Saturday, May 7th, 2016 AT 2:07 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,722 POSTS
Hey JANETCLAIRE50,

It sounds like you have one of two problems, either you have a blend door actuator that has gone bad or something is stuck in the blend door itself which will require the heater box to be removed.

Here is a link to watch how to replace the blend door actuator.

https://www.2carpros.com/articles/replace-blend-door-motor

Let me know what you find

Best, Ken
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Sunday, May 8th, 2016 AT 10:08 AM

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