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Old 06-19-2013, 03:33 PM   #1
ivanbih
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Default AC stops working at idle

I just recently changed my AC belt because it broke while driving one day, the AC worked perfectly for about two weeks but now whenever im stopped (no acceleration) it stops blowing cold after about 10-20 seconds. While driving it blows cold though.

Suggestions?
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Old 06-19-2013, 03:59 PM   #2
bugeye829
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check to make sure the fan is running when the a/c is on
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Old 06-19-2013, 04:24 PM   #3
The_Tenth_Doctor
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Leave the car running parked with the A/C on, check the compressor to see if its pulling load at idle or just free spinning.
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Old 06-19-2013, 04:43 PM   #4
jbwrx
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I bet it is low on refridgerant. The same thing happened to me. It wasnt blowing cold air while sitting still and even while driving it wasnt very cold. I bought one of those cans from the auto parts store and problem solved. I found out later that the ac compresser wont even cycle on if there is not enough refridgerant in the system.
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Old 06-19-2013, 06:00 PM   #5
bondo007man
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Just when I thought my life sucked.
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Old 06-19-2013, 06:28 PM   #6
TyConway
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May have a compressor going bad... if the ac belt randomly broke, and its not cooling when its at idle... maybe the issue.
Or the condenser is stopped up or pressure going to high due to no cooling of the ac condenser b/c the fan isn't working.
So if the ac is working while driving ( air from movement of the car being forced through the condenser), then the ac fan is probably the issue.

If the ac pressure is going too high due to heat from the fan not cooling the condenser at a stand still, that would cause the compressor to try and lock up and cause it not to cool. also may be why the belt broke...

Could be a number of things, Id check the fan and ac fan fuses first and go from there.
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Old 06-19-2013, 08:39 PM   #7
ivanbih
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I forgot to mention that this only happens when its really hot (95F+).

I just checked all my fuses, im going to try to recharge it tomorrow and see if it solves the problem when it gets hot!
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Old 06-19-2013, 10:25 PM   #8
The_Tenth_Doctor
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Honestly that doesn't surprise me much at all. I had an 05 Neon that used to do the exact same thing. It may be a safety feature built in to keep the motor from over heating while you're not in motion and the radiator has almost no air flow to cool it off.
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Old 07-14-2013, 09:08 AM   #9
some dude
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Quote:
Originally Posted by ivanbih View Post
I forgot to mention that this only happens when its really hot (95F+).

I just checked all my fuses, im going to try to recharge it tomorrow and see if it solves the problem when it gets hot!
Any change?
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Old 07-15-2013, 01:51 AM   #10
ivanbih
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Nah, it still does it.. Brought it to a mechanic and he said that the compressor is most likely going out.
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