It involves evacuating the refrigerant out of the system, and you'll have to open up the system, which also means that the receiver-drier (on a Thermal Expansion Valve system) or accumulator (on a Fixed Orifice Tube system) will need to be replaced.
Legally, you cannot do this on your own. An ASE certified tech in an EPA certified shop with the equipment to evacuate, store, and recycle refrigerant must do this in order to ensure both that it's done correctly and that refrigerant isn't released into the atmosphere.
If is a 2 stage air conditioning unit. You might want to replace the furnace.
ewan
The seal is shot, time to replace the compressor.
At all of the connections you will find the "O" rings. You might just as well replace them all. They require the green seals.
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Water Pump Replace With Air Conditioning B 0.0 3.1 Notes Without Air Conditioning B 0.0 2.7
check refrigerant level. if is ok,, replace the low presion swicht locate on acumulator.
It depends on if it has air conditioning or not
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replace the leaking component
Remove the belt from your Mercedes-Benz 240 air conditioning compressor. Remove the air conditioning hoses. Remove the compressor retaining bolts. Reverse the process to install your new air conditioning compressor.
What exactly do you want to know about "Air conditioning clutch on a 94 ford aerostar van?" How to replace? What engine do you have, etc.?