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A/C issue?

Tiny
BHAMDOC1973
  • MEMBER
  • 2012 FORD FOCUS
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 122,000 MILES
It was okay, then today I was cleaning it out and noticed it isn't as good, so checked pressure and was more than full. Let Freon out but all that came out was air. Usually, I have seen this, is when moisture ir air is in place of Freon, so let most of it out until compressor stopped, now it won't come in as its low. Fan was working when compressor was on. Saw bunch if relays in engine box but nothing is labeled, want to jump it so I can feed it enough Freon to work on its own. Or can I charge it from high pressure while the engine is off?
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Tuesday, November 1st, 2022 AT 11:44 AM

4 Replies

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 43,086 POSTS
I would start the engine up and start the charge through the low side port which is under the passenger's side fender liner. This guide can help:

https://www.2carpros.com/articles/re-charge-an-air-conditioner-system

Vacuum the system down to remove the air/moisture before you begin.
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Tuesday, November 1st, 2022 AT 12:02 PM
Tiny
BHAMDOC1973
  • MEMBER
  • 1,300 POSTS
That is what I did. Compressor not coming on like I said because its low now.
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Tuesday, November 1st, 2022 AT 12:47 PM
Tiny
BHAMDOC1973
  • MEMBER
  • 1,300 POSTS
Can you help me find where the A/C compressor relay is located, and which pins could get it kick in so I can charge it?
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Wednesday, November 2nd, 2022 AT 3:02 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 43,086 POSTS
Sure, here it is. Check out the images (below). Please let us know if you need anything else to get the problem fixed.
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Thursday, November 3rd, 2022 AT 1:24 PM

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