I connect refrigerant hose to low side, start engine, turn a/c on high, compressor engages but freon does not go into system. The low pressure side is reading high. Is there any way to reduce the pressure on the low side to see if freon will then go into system? If pressure is high in both Low and high side, is there any way to put in freon until car is taken for repair?
Air conditioner on 2002 Pontiac Aztek
by mosk1 in Pompano Beach, FL on August 24, 2009
ANSWER by munkyrench on August 24, 2009
If the pressure on the low and high side is too high, then the compressor is not doing it's job. This can be due to several things, but a proper diagnosis my be needed. Reducing the pressure will not help, unless the system is overcharged. I would leave this up to a trained mechanic to go any further.
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