Question about 2003 Chevrolet Impala
Freon has been switched to R134 in new production since the 1990s.
There are always 2 valves on all AC systems.
The low side, which is larger diameter hose, and the high side, which is smaller diameter.
And it is always the low side with the largest hose, that you introduce freon into.
But you also need to find the receiver/dryer cylinder after the radiator condenser. There will be a tiny sight glass in the top, and you can see when there is clear liquid and no more bubbles. Then you must stop adding freon, or you will blow the pump. Wear glasses and gloves, because high pressure freon is dangerous. You can use a bowl of warm water to help keep the can from freezing up.
Posted on Jun 05, 2010
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Posted on Jan 02, 2017
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