Transfer Case Cleaning and Inspection

WARNING: This page is about a different car, the 2016 GMC Acadia, 2016 Chevrolet Traverse, and 2016 Buick Enclave. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Identifying Transfer Case Components

Courtesy of GENERAL MOTORS COMPANY

Callout	Component Name
CAUTION: Refer to Machined Surface Damage Caution . Preliminary Procedures Inspect all components or sub-components and perform any repair procedure necessary to fix the damage. If the damage cannot be repaired, replace the component or sub-component as indicated. Clean the left and right transfer case in cleaning solvent and air dry.
1	Transfer Case - Left and Right NOTE: Inspect for cracks, broken areas, or other damage. The transfer case assembly must be replaced if damage is found.
2	Transfer Case Rear Output Drive Housing Bore NOTE: Repair small scratches or nicks with light sanding.
3	Case Sealing Surface NOTE: Repair small scratches or nicks with a soft stone.
4	Transfer Case Bearing Races NOTE: Replace the transfer case assembly if a bearing has spun or if cracks are detected.
5	Transfer Case Thread Bolt Holes NOTE: Repair any damaged threads.
6	Transfer Case Half Locating Pin Holes