C 1500 Yukon 2WD V8-5.3L VIN Z Flex Fuel (2003)
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.
3. Install the nuts (4) to the A/C refrigerant filter (1).
NOTE: Refer to Fastener Notice in Service Precautions.
Tighten
Tighten the nuts to 15 N.m (11 lb ft).