Question about 2003 Mercury Sable

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Climate control A/C occaisonally cuts out

2003 Mercury Sable with climate control. The air conditioner cuts occasionaly. It will cut out usually on hard accleration but at other times and then not come back on, the fan continues to blow unconditioned air. If I turn the system off and wait a minute before turning it back on it works. It does not appear to be low on refrigerant.

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It may be low on Freon. You need gauges to tell. There are some cans which come with a gauge. The A/C system is suppose to cut off under heavy accelleration to give you all the power you need. The pause after can show low Freon.
The system is designed to operate in the middle range. You have a low side cutout switch and a high side cutout switch. You want to fill the system to operate in the optimum range which your gauges will show.
Its different pressures for different car companies.
The air out of the dash vent should be around 34 to 42 degrees..

Posted on Aug 23, 2009

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