K 1500 Yukon 4WD V8-5.3L VIN Z Flex Fuel (2003)
5. Remove the A/C refrigerant filter (3) from the evaporator tube (2).
INSTALLATION PROCEDURE
1. Install the O-rings (2) to the evaporator tube.
2. Install the A/C refrigerant filter (3) to the evaporator tube (2) with the flow arrow pointing towards the evaporator.