Compressor HVAC

Use PAG refrigerant oil GM P/N 12345923 or equivalent.

If compressor assembly is being replaced, drain refrigerant oil from both defective compressor and new replacement compressor.

Measure amount removed from defective compressor.

If measured amount is less than 30 ml (1 fluid ounce)
add 60 ml (2 fluid ounces)

If drained amount is more than 30 ml (1 fluid ounce)
add same amount