C 2500 Yukon XL 2WD V8-8.1L VIN G (2002)
1. Lubricate the O-rings (2) with 525 viscosity refrigerant oil.
2. Install the O-rings (2) to the evaporator tube.
3. Install the A/C refrigerant filter (3) to the evaporator tube (2) with the flow arrow pointing towards the evaporator.
NOTE: Refer to Fastener Notice in Service Precautions.