Air conditioner compressor: Device that compresses refrigerant so that the air conditioner can work.
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The AC can cool thanks to a refrigerant. The compressor compresses this gas and boosts is through the pipes to cool the air that flows into the cabin. The compressor is in the engine bay and the accessory belt of the engine moves it. It is the heart of the AC system.
My ac was working fine, then had to replace engine. Now the ac won't work. , checked all fuses and relays, jumped compressor clutch (working),replaced high pressure switch, good on charge, no engine codes.