Express 1500 AWD V8-5.3L (2008)
11. Reposition the accumulator aside.
12. Remove the evaporator and blower module assembly front cover (2) from the evaporator case (3).
13. Grasp recirculation door seal and open (1) to gain access to actuator mounting.
14. Release actuator mounting tab (2) and slide rearward.
15. Rotate actuator 90° clockwise (rearward) to release door linkage (3).
16. Remove actuator vacuum line (4).
17. Remove recirculation actuator (5).
Installation Procedure
1. Install the recirculation door actuator (5) to the linkage (3).
2. Install the actuator into mounting position (2) and attach vacuum line (4).
Important: Ensure the recirculation door (1) operates without binding and seals properly.
3. Reposition the accumulator for installation.