Question about 1992 Chevrolet Lumina
The amount of oil that you add depends on exactly how much came out of the compressor. For example if the system is to have 14 oz, and the compressor is to have 4 oz, and when you measure, the compressor has 2 oz, that means the SYSTEM is 1/2 way down, or 7 oz short. I prefer to flush all oil out and reload.
Be sure to replace the receiver dryer anytime that you open the A/C system, then vacuum purge and leak test at about -30 inches for 30 minutes.
Posted on Sep 04, 2010
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Posted on Jan 02, 2017
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