Low Suction pressure. Filter is clean. Coil is clean. Reversing valve is disconnected. It energizes on heat. There is a pin hole in the cap tube off the back side of the coil on the reversing valve. Freon liquid line pressure is good. Freon level is o.k. Do I need to replace the reversing valve? Or can the coil be replaced with a remote sensing bulb to be attached with out solder?
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