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Liquid
yes
Liquid
To lubricate the compressor.
When you replace the a/c compressor did you also change out the receiver drier as well ? To recharge the a/c system the cost would be in the area of around $125.00 dollars if it was done by a professional a/c shop.
High side, If you charge liquid on the low side it can cause the valves of the compressor to break.
Down on AC compressor
NO, it does not.
The compressor automatically turns on and raises the pressure as rear axle load increases. The switch found in the rear compartment is for using the compressor for filling tires after attaching the supplied hose.
It is added through the low pressure line when refrigerant is added if it is a new compressor put it in the low pressure side and you may need to push down gently on a check valve inside if equipped. an average amount of oil is 4 ounces but you need to check the manual to be sure, in my case the install instructions referred me to the owners manual which was no help, as was the haynes. I called the parts store and they looked it up for me.
266 should be added.
The lights are flickering Due to a high starting amp draw created by the compressor starting. This may be a problem starting with the compressor or maybe rectified by adding a hard start kit to the compressor circuit to reduce the starting amp draw. However there can be several reasons for the high amp draw. Some of the problems can be... Over charge of refrigerant, a capacitor that is getting weak, not enough delay between cycles, loose wires or bad connections or a compressor that is in the first stage of failing. In any case the charge should be properly checked and a hard start kit should be added.