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A/C center vent temperature fluctuates from 46-56 degrees?

Tiny
RANGER230MAN
  • MEMBER
  • 2005 MERCURY SABLE
  • 3.0L
  • V6
  • 2WD
  • AUTOMATIC
  • 200,500 MILES
After a while it will get down to 46-50 but mostly it stays in the 52-56 range. I tried it on auto, recirc, etc. It's just annoying that the temperature fluctuates, and you can feel it (slightly).
Friday, August 11th, 2023 AT 7:09 PM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 48,380 POSTS
Sure, this happens when the system is down on refrigerant slightly. Please go over this video and guide to help you fix the problem:

https://youtu.be/uZrQCGwXfek

Please go over these guides and get back to us.
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Saturday, August 12th, 2023 AT 2:50 PM

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