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Re: Air conditioning 1996 Ford Explorer
You were not clear, but I assume the compressor runs OK. If not, troubleshoot the electrical to the compressor. Did you replace the orifice tube while it was discharged for service? If not, then check the pressures. If low side pressure is high the tube might be plugged, especially if you truly had a bad compressor. In a properly working system the line should be cold on the evaporator side of the orifice tube when properly charged. If compressor runs, system properly charged and that line is warm then suspect a plugged tube.
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first of all why did you charge the system it never needs to be recharged unless you have a leak in it that being said when you turn on the ac do you hear the compressor clutch kick in and if so do you see condensation on the accumulator and does it feel cold? yes/no if yes then the vacuum door inside the car is not opening thus giving you warm air========if no the refrigerant leaked out again because of a leak ///// or the cycling switch is bad///// or there is still not enough refrigerant in the system to get the switch to turn on the compressor//// or your compressor is n/g
I would suspect the AC compressor cycling switch (located in low pressure line from compressor) or a AC cutoff wide open throttle relay ( in under hood fuse and relay center) would be causing this problem.
There is a pressure switch on the accumulator. The compressor cyles according to the low pressure reading at the accumulatror. If there is low refridgerent pressure the switch stays "OFF" and wont turn ther compressor on. Whan a system is low, there will be rapid cycling of the compressor, (on and off every few seconds). When the system is charged with the correct amount, the pressure is related to the temperature of the refridgerent. The compressors are common to leak. So it it doesnt leak, or make knocking noises, the compreesor MAY be good, but a pressure gauge will tell you if the compressor is good or bad. If you keep having to charge it, thats bad, and there is a leak. You will need to find and repair the leak, replace the drier (accumulator) , and recharge the system.
My name is Ron,and I have one solution,Sounds like you need some freon added,if that doesn`t fix ya ,the ac compressor could be weak,or blockage in ac system,or vent door not opening,or opening slowly,and not all the way...hope this helps,firstname.lastname@example.org
This is a SEALED SYSTEM that 1st Should Not Leak AT ALL and Also if the Pressurized Side of the System is Contaminated (ORFICE TUBE) < Spacificly the Pressyre Can Be Missread By Pressure Sensor, Thus NOT ALLOWING the Compressor To Turn ON. Your System Needs Flushed,LEAK TESTED,And Further Diagnosed IF NESSESARY. I Hope this Sheds A Little Light On It For you !
That "thing" is part of the compressor clutch. When it’s spinning the clutch is engaged, when it stops the compressor is off. If it’s constantly cycling, you probably don’t have enough freon in the system. But remember, however the gas escaped before, it will escape again, unless you fix the leak.
First you need to find out if the system is charged fully. If you have a low charge then you can but 134a with leak detecting dye in it. Add it to your system and then after it leaks down a black light will show you where it is leaking. Be sure the compressor is engaging and all the fuses are good. Let me know if you need more info. Good Luck