K 1500 Yukon 4WD V8-5.3L VIN Z Flex Fuel (2003)
4. Remove the screws from the recirculation actuator (1).
5. Remove the recirculation actuator (1) from the HVAC module assembly (2).
INSTALLATION PROCEDURE
1. Install the recirculation actuator (1) to the HVAC module assembly (2).
2. Install the screws to the recirculation actuator (1).
NOTE: Refer to Fastener Notice in Service Precautions.
Tighten
Tighten the screws to 2 N.m (18 lb in).
3. Install the evaporator core cover (1) to the HVAC module assembly (2).
4. Install the screws to the evaporator core cover (1).
Tighten
Tighten the screws to 2 N.m (18 lb in).
5. Install the HVAC module assembly.
6. Reprogram the recirculation actuator. Refer to Re-Calibrating Actuators. See: Testing and Inspection/Programming and Relearning
