C 2500 Truck 2WD V8-5.7L VIN R (1997)
3. When adding polyalkaline glycol (PAG) refrigerant oil, the container/transfer tube through which the oil will flow should be exceptionally clean
and dry. Refrigerant oil must be as moisture-free as possible.
4. When it is necessary to "open" an air conditioning system to the atmosphere, have everything needed ready so that as little time as possible will be
required to perform the operation. Do not leave the air conditioning system open any longer than necessary.
5. Anytime the air conditioning system has been "opened," it should be properly evacuated before recharging.
