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it usually has a blue cap on the suction port.
Low pressure port which is the larger hose.
Refrigerant is added through the low side service port.
Low pressure port. BTW, it contains no Freon. It contains R134a refrigerant.
what year? look for the bigger port on the ac lines, theres a low and a high, you want the low which is where you put you r-134a
Chlorine Whoever put this your wrong. The answers are Chlorine, Flourine, and Carbon.
Freon is a brand name for various air conditioner refrigerants. Make sure you have the right refrigerant for the vehicle. Refrigerant is added to the low pressure port of the system, which is located 6 inches from the accumulator.
The service port nearest the "receiver/dryer" is the low pressure port. That's where you put the refrigerant.
You don't. The 2000 Saturn refrigerant is not Freon R12 it contains R134a. Add it at the Low pressure port. You have a leak or it would not be necessary to add refrigerant. It is illegal to add refrigerant to a system with a leak without first repairing the leak. Take it to a professional and have the leak fixed.
some heads are vis versa
It will overheat and cause damage
First of all it does not contain Freon. It contains R134 or R134a. If it is low of refrigerant, then it has a leak. It is illegal to put refrigerant in a system with a leak without first repairing the leak. Take it to a professional and have it repaired, and the correct amount of refrigerant installed to the correct pressure.