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Air Distributor Case Replacement

WARNING: This page is about a different car, the 2017 Cadillac ATS. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Air Distributor Case & Components
GM2809866Courtesy of GENERAL MOTORS COMPANY
Callout Component Name
Preliminary Procedure 
Remove the heater and air conditioning evaporator and blower module assembly. Refer to Heater and Air Conditioning Evaporator and Blower Module Removal and Installation .
1 Air Inlet Housing Assembly
Procedure 
Refer to Air Inlet Housing Replacement .
2 Blower Case Assembly
Procedure 
Refer to Blower Case Replacement .
3 Air Distributor Lower Duct Assembly
Procedure 
Refer to Air Distributor Lower Duct Replacement .
4 Air Conditioning Evaporator Tube Upper and Lower Cover
Procedure 
Refer to Air Conditioning Evaporator Tube Cover Replacement .
5 Air Distributor Case Assembly
Procedure 
Transfer all necessary components.