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Guest Message by DevFuse

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A/C cycling really fast intermittently

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3 replies to this topic

#1 danbennett2u


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Posted 24 August 2011 - 03:57 PM

95 Impreza 2.2 with a 134a system if that matters. Most of the time the AC works really well (although it drags the engine down noticeably). Occasionally the compressor will start cycling on for a second or less then off, repeating every second or two an a really regular pattern. Cooling goes from working great to non existent when this happens. If I turn it off for a few minutes it will usually start working again. What would cause this?

#2 Rooster2


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Posted 24 August 2011 - 06:33 PM

prolly little low on 134a refrigerant.

#3 danbennett2u


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Posted 25 August 2011 - 10:01 AM

It is VERY cold though when it works... Also I just realized I added a 14oz can about 2 months ago and the issue started about a month ago... is it possible that maybe I have too much coolant instead of not enough? I dont completely trust the cheap gauge I have, and I couldnt find a sight glass to check for bubbles.

#4 Durania


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Posted 25 August 2011 - 10:42 AM

Very strong possibility you put too much in it. Quit using it and take it to a place that works on A/C and have them get the level right.

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