Auxiliary Air Distributor Duct Replacement (Lower/Extended Wheelbase)

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2011 GMC Yukon XL, 2011 GMC Yukon, 2011 Chevrolet Tahoe, 2011 Chevrolet Suburban, and 2011 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Auxiliary Air Distributor Duct

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
Preliminary Procedures Remove the right rear quarter trim panel. Refer to Rear Quarter Trim Panel Replacement - Right Side (Extended Wheelbase) , Rear Quarter Trim Panel Replacement - Right Side (Standard Wheelbase) . Remove the air temperature sensor, if equipped. Duct has one screw holding it on, in the inside of duct must be removed.
1	Air Duct, Lower Small hidden screw inside duct. Squeeze the inside edge of the lower duct until the edge is clear of the air distributor duct.

Callout

Component Name

Preliminary Procedures

Remove the right rear quarter trim panel. Refer to Rear Quarter Trim Panel Replacement - Right Side (Extended Wheelbase) , Rear Quarter Trim Panel Replacement - Right Side (Standard Wheelbase) .
Remove the air temperature sensor, if equipped.
Duct has one screw holding it on, in the inside of duct must be removed.

Air Duct, Lower

Small hidden screw inside duct.
Squeeze the inside edge of the lower duct until the edge is clear of the air distributor duct.