danbennett2u Posted August 24, 2011 Share Posted August 24, 2011 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? Link to comment Share on other sites More sharing options...
Rooster2 Posted August 24, 2011 Share Posted August 24, 2011 prolly little low on 134a refrigerant. Link to comment Share on other sites More sharing options...
danbennett2u Posted August 25, 2011 Author Share Posted August 25, 2011 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. Link to comment Share on other sites More sharing options...
Durania Posted August 25, 2011 Share Posted August 25, 2011 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. Link to comment Share on other sites More sharing options...
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