Vehicles equipped with R-744 or R-1234yf refrigerant system evaporator(s) shall include in their service manual that only new and SAE J2842 certified evaporator(s) shall be used as replacement parts.
NOTE: Be careful not to damage the evaporator core.
Install the parts in the reverse order of removal, and note these items:
Replace the seal washer with new ones at each fitting, and apply a thin coat of refrigerant oil before installing them. Be sure to use the correct seal washer to avoid leakage.