K 2500 Yukon 4WD V8-6.0L VIN U (2000)
8. Lower the vehicle.
9. Remove the right rear quarter trim panel.
10. Remove the Real Time Damping (RTD) Module.
11. Disconnect the electrical connectors.
12. Remove the fastener (5) for the upper auxiliary air duct (1). Carefully slide the duct up, into the headliner, until the bottom edge of the duct is
above the air distributor duct.
13. Remove the fasteners (3) retaining the rear auxiliary HVAC module to the vehicle.
14. Remove the rear auxiliary HVAC module (4) from the vehicle and place it on a work surface.
15. Remove the air temperature actuator (1) from the module.
