K 1500 Yukon 4WD V8-5.3L VIN Z Flex Fuel (2003)
1. Remove the push pin (5) from the HVAC module (2).
2. Remove the left floor duct (1) from the HVAC module (2).
3. Disconnect the electrical connector (3) from the mode actuator (4).
4. Remove the screws from the mode actuator (4).
5. Remove the mode actuator (4) from the HVAC module (1).
6. Remove the cam (2) from the HVAC module (1).
INSTALLATION PROCEDURE
1. Install the cam (2) to the HVAC module (1).
2. Install the mode actuator (4) to the HVAC module (1).
3. Install the screws to the mode actuator (4).