Power Transfer Unit Oil Fill Plug, Oil Drain Plug, and Vent Hose Connector Removal

WARNING: This page is about a different car, the 2020 Buick Regal TourX, 2020 Buick Regal, 2019 Buick Regal TourX, and 2019 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.

Courtesy of GENERAL MOTORS COMPANY

Callout	Component Name
1	Power Transfer Unit Fill Plug Procedure The plug and seal are only available as an assembly. Install a NEW plug with seal during assembly.
2	Power Transfer Unit Drain Plug Procedure The plug and seal are only available as an assembly. Install a NEW plug with seal during assembly.
3	Power Transfer Unit Vent Hose Connector Procedure Remove the vent hose connector only if replacement is required.