Question about 1999 Chrysler Town & Country
99 T&C limited, how do I disable the AC low pressure cut out switch so I can recharge the system. We have replace front and rear expansion valve, AC blower dryer on 99 town and country 3.8 LXI with rear air. We discovered a leak on rear, fixed the leak, now we have no leaks. However it will not charge, on gauges on low side goes to 110+ PSI. We don't have leaks... Please HELP ASAP. Compressor spins, have jumpered to ensure on relay.
Whenever the ac system has been opened it should be hooked up to a vacuum pump designed to evacuate the ac system of any foreign debris and oil etc and after should be able to hold a vacuum to show that there are in fact no leaks then if all is ok at this point you can then charge your ac with the proper freon specified for you car when the pressure reaches satisfactory level the ac compressor will then cycle on you should not bypass the low pressure switch
Posted on May 30, 2009
Low side should never read 110 means it was overcharged. normal readings are about 30-50 lbs on the low side. the pressure switch reads high and low if the pressure gets high it turns on the compressor low shuts it off however the high side also has a pressure switch if it gets too high it shuts off the compressor. **** down the system and pull it into a vacumn start the vehicle and put the ac on full blast. then charge it with freon on. no matter what the ac system will take some freon to turn on the compressor. but make sure that expansion valve is the right one that matches up to the old valve there are too many valves that dodge has made that part stores get them mixed up with another vehicle that has different features.
Posted on May 30, 2009
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Posted on Jan 02, 2017
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