I charged the system, still blowing not so cold. The compressor will kick on monentarily then stop. This is continuous. Compressor will kick on and they stop. Only kicks on for a few seconds, then turns off then does it again. Any suggestions?
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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.
Hi, the reason for this is the location of the evaporator core, its on the passenger side, a low charge will cause the side nearest to core it to cool more. Your cycling of compressor concures with this scenario. Recharge system to specifications.
Your system is low on refrigerant and needs some more R134. Go to your local parts store and get a recharge kit which will come with a can of R134 and a hose to connect the can to the system. The fitting on the system will be on the passenger side of the vehicle, under the hood. Follow the instructions in the kit and you should be ok. Don't add more than you need to get the a/c blowing consistent cold air. Too much refrigerant can be just as bad and ineffective as too little.
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 !
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.
the ac system should be a 134a system and the low side is on the fater hose than the other coming off the compressor .it will have a blue cap on it.and it just screws of.go to the parts house and get a refill kit for the system it should have a fill hose and gauge on it .you want to fill untill the compressor stops cycleing on and off and when it starts blowing cold then stop filling and take off the fill hose.it will pop just a little so dont be scared.just lift the collar and pull.then put the cap on and enjoy.
hope this helps