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A/C system blows cool but not cold air?

Tiny
JUSTPANKEY
  • MEMBER
  • 2010 NISSAN FRONTIER
  • 4.0L
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 135,000 MILES
I followed the video on vacuuming and recharging the A/C system but after adding one can of refrigerant the A/C blows cool but not cold air and the other can of refrigerant won’t go in so my A/C won’t get cold. Not sure what the issue is, I followed the video exactly and everything works so flawlessly until I tried adding the second can. Can you help lead me to what might be the problem? Thank you.
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Monday, August 21st, 2023 AT 1:11 PM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,513 POSTS
Is this the video you mentioned?

https://youtu.be/4EqdrBVb0sY?si=WHbgJab1lNc_rg80

If so, what is the high and low side pressure? It sounds like you have an A/C compressor that the seals are starting to fail. The high side should be about 250 PSI and the low about 40 PSI. If the pressure are close to the same you need a new compressor. Here is a generic guide to help you step by step with instructions in the diagrams below to show you how on your car:

https://www.2carpros.com/articles/replace-air-conditioner-compressor

Check out the images (below). Please let us know what happens.
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Monday, August 21st, 2023 AT 4:18 PM

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