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2011 Honda Fit. Compressor has started cycling a lot more than often, even while driving, causing some funky driving. After sitting, it's ok for a little bit but then will start short cycling. When it is functioning, it's nice and cold. First step to get gauges and see what my pressures are?
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Jul 9, 2019 00:54
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| # ¿ Apr 24, 2024 16:28 |
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Motronic posted:As always. Any gauge recommendations? I went to the local places but no one had gauges, just the single use R134a cans with a single gauge on top. Amazon ones have wild reviews.
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Jul 9, 2019 01:01
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Lightbulb Out posted:Any gauge recommendations? I went to the local places but no one had gauges, just the single use R134a cans with a single gauge on top. I went to Autozone and well  That's not gone well.
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Jul 9, 2019 02:47
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No the car is off - that was after the car had been sitting for 2 or so hours. 78 degrees. The blower has been running well, but I just hear a relay clicking the compressor on and off. I can feel it while driving, and hear it when sitting. It also seems to trigger the A/C fan. I suppose it could definitely be a relay or switch of some kind. Lightbulb Out fucked around with this message at 03:09 on Jul 9, 2019 |
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Jul 9, 2019 03:03
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I am out of light - I will do this tomorrow. I was just spooked to see it reading in the *~danger zone*~ but you are right - I need to see what its like with the compressor on. The gauges I have don't have the nice R134a temperature gauge. I will re-read the OP yet again and watch the video.
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Jul 9, 2019 03:17
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 Ok that's with the compressor on, it's been about 80-85 degrees ambient. The static pressure with the compressor off was closer to 100psi on both sides off compared to around 95psi on Monday after it had sat longer. I believe that tells me I'm a candidate for additional refrigerant?
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Jul 11, 2019 01:43
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I got it up to about 35psi on the low side, high side didn’t move much. I heard hissing when I disconnected everything which is concerning, but I still have cold AC. I also had issue with my can tap - I’m not sure if it was freezing up or I wasn’t patient enough or what. I had to fiddle with the valve on the can to get a pressure increase when opening the low side valve at times. I was able to confirm my drain line is clear! And feel a lot more comfortable with this process! There’s more in the can but I ran out of light and the neighbors showed up to ask me about what I was doing.
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Jul 11, 2019 04:32
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| # ¿ Apr 24, 2024 16:28 |
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Update: the car drives better because it doesn't seem to be short cycling the compressor as often. I am going to get the pressures to line up more with the chart when I have a chance, but this definitely changed the way it was acting in a positive direction. Thanks for the help and the thread Motronic! This was extremely helpful in helping me get a real understanding of how A/C systems work, which have always been a bit of a black box for me, having never had to really deal with one.
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Jul 11, 2019 21:01
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