...High and low readings should be checked to have a better idea of what is going on with an AC system but based on the limited information… the compressor is not engaged or is not pumping. Below are ...
high (blocked system-excessive gas qty) and a low pressure switch that switches off the compressor when there is insufficient gas -(leaking system)/ Next some systems do not work unless the blower and
low pressure line when it gets cold that means you almost got it done make sure you do not connect the can to the high pressure side because you can blow up the can in your hand i would start with one
...high or low side a/c test valve caps, they are mounted into the a/c lines and have plastic screw type caps that screw off to keep dirt etc from entering the test valve core causing it to fail. Once ...
split into two sides, a high pressure side and a low pressure side. An AC compressor is basically a pump, so it has to have an intake side (low pressure side) and a discharge side (high pressure side)
low pressure and high pressure valves. The valves are situated in the engine compartment, the high pressure has a red valve cover and the low pressure black. You will easily find the valves by looking
...caps (red high, blue low). Also, refrigerant in system determines port size (R12 or R34). start at compreser and follow the lines to drier and then back to the compres it will be the small
...this helps, if it does please rate my info. The low pressure port is located on the passenger side near the firewall and has a 'L' on the cap. The high pressure port is by the driver side
Question about AC Cars & Trucks
Does any one know how to test a high pressure and the low pressure switch on a ac unit You test it by monitoring the pressure in the system when the AC pump is running. Take it to a repair shop
...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 ...
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