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Originally Posted by LELeach
My 1997 Maxima AC does not blow cold air. The compressor cycles on & off every few seconds. I put a gauge on the low pressure side and it read 85-90 psi, way into the danger zone. It will not take freon. Occasionally while trying to put in freon there is a loud racheting sound from the area of the compressor. It only last a second or so. Any ideas?
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The only safe way to add freon is with on of these.
You need to watch both the low and high side at the same time you are adding freon.
http://www.ackits.com/merchant2/merc...uct_Code=66773
http://www.ackits.com/merchant2/merc...e=DIY-STARTER1
http://www.ackits.com/merchant2/merc...ode=DIYADVANCE
Before we could help we need to know the high andd low side reading at idel and at 2k rpm with the compresser running.