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Ultimately, the only real way to know for certain is to evacuate the system, recover the refrigerant, and weigh what's recovered. Extremely high pressure on both sides of the system is a good indicator of it, as well. If you don't have the means to recover refrigerant or a manifold gauge set and the know-how to use it, cavitation (shaking) of the AC system when it's running is another telltale sign.
What else can I help you with?
Can the AC be overcharged?
Yes!!! Most definately.
Will ac 01 impala keep taking freon after full?
Yes, and an overcharged AC can cause devastating damage to the AC system. This is why you should have a certified shop perform this operation.
Why is my car's AC putting out cool air and not cold when the AC is full of freon?
It might be overcharged. Or you might have contaminants in the system like air or acid.
Why auto ac compressor shake after been recharged?
It shakes because it is overcharged. Needs some pressure released.
What is hfc as related to automotive?
Hydrofluorocarbon, chemicals used as refrigerants in automotive AC systems.
What cause high pressure on the low side of ac?
Usually a blockage in the system. Could also be overcharged, or have air in the system.
Why is the AC light blinking on 1991 Toyota Camry?
If an AC light is blinking on a 1991 Toyota Camry it may indicate that a belt is slipping. The AC light may also blink indicating that the system has been overcharged.
What is the coldest ac refrigerant for automotive?
R-12 is the coldest
How do you fix 1998 Oldsmobile regency ac not bowing air?
Take it to a garage that works on automotive ac.
How do you fix overcharged AC system 1995 chevy s10 2.2?
Bleed off some freon until you have the right numbers. This should be done by a qualified ac mechanic with equipment to reclaim the freon.
1995 s-10 had freon put in had a small leak the ac is still hot any suggestions?
If it was done on a cooler day it might be overcharged.
What if you over charge an auto ac system?
you can press the pressure release valve until you have evacuated the refrigerant sufficient enough so that it won't be overcharged.
