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A/C is not cold when idle

Tiny
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Today the A/C fan set was almost at minimum.
The A/C is working fine the car was idle for about 15 minutes.
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Saturday, October 12th, 2019 AT 1:49 PM
Tiny
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You still have the same problem. It will be back and you will still have to do the repair we discussed. It cannot and will not fix itself.

Roy
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Saturday, October 12th, 2019 AT 5:00 PM
Tiny
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Forget to tell you this : when I set AC to Max the Psi was about 50 when when the ac was on minimum the psi was 35 just to let you know.
Okay, thanks dude. I will check that and post the updates.
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Sunday, October 13th, 2019 AT 12:44 AM
Tiny
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Sounds like a plan.

Roy
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Sunday, October 13th, 2019 AT 4:45 AM
Tiny
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I meant its normal when the ac at max the psi 50 and if its min its about 35?
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Sunday, October 13th, 2019 AT 7:05 AM
Tiny
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It should never change ever.
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+1
Sunday, October 13th, 2019 AT 7:08 AM
Tiny
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Oh, I see. Thanks for the info bro learned a lot from you.
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Sunday, October 13th, 2019 AT 9:17 AM
Tiny
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Tested again. The Low and high Pressure at 2,000 rpm's after the leak the Low was 20 psi and the high was 125 psi.
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Sunday, October 13th, 2019 AT 11:52 PM
Tiny
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Again, it does not matter. You have a bad expansion valve. It should never change pressure reading whether at idle, 2.000 RPM's or any other time.

Roy
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Monday, October 14th, 2019 AT 3:32 AM
Tiny
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Okay, checked the pipe it is not leaking it is like an oil around it.
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Monday, October 14th, 2019 AT 8:39 AM
Tiny
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Okay, you still need the valve.

Roy
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Monday, October 14th, 2019 AT 9:36 AM
Tiny
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Noticed something else; when it blows a warm air I hear a weird noise sound near compressor under the hood.
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Tuesday, October 15th, 2019 AT 4:57 AM
Tiny
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Can you upload a video of the noise to this post?

Roy
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Tuesday, October 15th, 2019 AT 5:20 AM
Tiny
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I found a video with the same sound start from 44 seconds. That's hissing sound.
https://youtu.be/yrGuT_rjf68
I am not home right to make a video of my own if Its necessary i can make my own later. But it is the same sound.
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Tuesday, October 15th, 2019 AT 7:52 AM
Tiny
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Okay, that noise is the compressor itself making some internal noises.

Looks like you need to add that to your list of needed parts.

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

Roy
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Tuesday, October 15th, 2019 AT 8:02 AM
Tiny
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But do you think this issue caused the refrigerant to be leaking in the first place?
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Tuesday, October 15th, 2019 AT 8:09 AM
Tiny
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No, it may have gone low in oil over time and this is the result. Hard to say without removing and disassembling the compressor for inspection.

Roy
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Tuesday, October 15th, 2019 AT 8:17 AM
Tiny
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Oh I see, thanks.
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Tuesday, October 15th, 2019 AT 8:18 AM
Tiny
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You are welcome.

Roy
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Tuesday, October 15th, 2019 AT 8:22 AM

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