Transfer Case Rear Extension Housing Cleaning and Inspection

WARNING: This page is about a different car, the 2015 Chevrolet Trax and 2015 Buick Encore. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Transfer Case Rear Extension Housing Cleaning And Inspection Areas

Courtesy of GENERAL MOTORS COMPANY

Callout	Component Name
Preliminary Procedure Clean the transfer case housing in cleaning solvent and air dry. The case halves, internal gears and bearings are not serviceable components. If damage is present, the transfer case assembly must be replaced.
1	Transfer Case Rear Extension Housing NOTE: Inspect for cracks, broken areas, porosity, or other damage. The transfer case assembly must be replaced if damage is found.
2	Transfer Case Rear Extension Housing Sealing Surfaces NOTE: Repair small scratches or nicks with a soft stone.
3	Fill Plug Hole NOTE: Inspect for damage to the threads or sealing surface.