My AC seems to be going in and out?

2010 HONDA CRV
160,000 MILES • 2.4L • 4 CYL • 2WD • AUTOMATIC
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DREV0012
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  • 36 POSTS
Hello! My AC seems to be going in and out. The blower keeps going but the air will be cold here and there, and then the same temp as the outside air for a while. It has been going in and out like that for a few days.
Apr 6, 2023 at 5:40 AM
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STRAILER
  • Experienced Mechanic
  • 55,256 POSTS
It sounds like you are low on a refrigerant charge.

Here is a guide to help you check and recharge the system:

https://www.2carpros.com/articles/air-conditioner-how-to-add-freon

This guide may help as well:

https://www.2carpros.com/articles/car-air-conditioner-not-working-or-is-weak

Please go over these guides and report back.

Apr 7, 2023 at 3:35 AM
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DREV0012
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  • 36 POSTS
Thanks! My pressures are reading about where they should (50, 140). The A/C seems to not be coming on at all anymore. The clutch fuse is good and the clutch relay seems okay (I swapped it another and didn't notice a change.) The A/C fan is spinning it doesn't sound like the clutch is engaging, at least I don't hear the click I used to when it kicked on. Any ideas of what may be happening?
May 12, 2023 at 6:22 AM
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STRAILER
  • Experienced Mechanic
  • 55,256 POSTS
Yes, it sounds like the clutch coil went bad but to confirm it lets use a test light at the power wire to the compressor clutch. Here is a guide to help and I have included how to change the clutch coil out in case you need it. You will need to discharge and recharge the system.

https://www.2carpros.com/articles/how-to-use-a-test-light-circuit-tester

and

https://youtu.be/4EqdrBVb0sY

Check out the images (below). Please let us know what happens.






May 13, 2023 at 3:13 AM
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DREV0012
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  • 36 POSTS
Thanks Ken! I’ll check that power connection. The A/C was in and out a couple of days ago and worked all day yesterday. Would a bad coil work intermittently like that?
May 15, 2023 at 11:56 AM
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