C 1500 Yukon XL 2WD V8-5.3L VIN T (2001)
13. Remove the fastener (4) for the lower auxiliary air outlet (5).
14. Remove the fastener (4) for the air distributor duct (3). Remove the air distributor duct (3).
15. Remove the fasteners (2, 4) retaining the rear auxiliary HVAC module to the vehicle.
16. Remove the rear auxiliary HVAC module (3) from the vehicle and place it on a work surface.
