Question about 1997 Buick LeSabre

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Air conditioner works intermittently. Will just stop and start or go off and stay off for a couple days. The air that comes out when it does work is very cold. Any ideas what is wrong?

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  • brendagail Aug 09, 2008

    Well I have had it to the shop for four times now. The first time they had it over two weeks. At first they thought it was the programmer. They ordered one and it did not fix it. Most recent visit we are back to them thinking it is the programmer and they could not find one anywhere.

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If you recently had the system recharged they may have over filled the system. The ac system has both a HIGH and a LOW cutoff point to keep from damaging the compressor. If it is cycling the compressor on and off (you should be able to tell this by the ac clutch clicking on and off occasionally. If the pressure on the lines gets too high it will cutoof to prevent blowing the lines, if it gets too low it will stop the compressor from damaging itself. I had overcharged my 90 nissan once and it acted this way, it really acted up especially on very hot days.

Posted on Aug 09, 2008

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