Inspect for the proper transaxle and gear oil levels prior to performing system diagnosis. Refer to Transfer Case Fluid Replacement .

Incorrect gear oil in the transfer case case

Replace the gear oil. Refer to Adhesives, Fluids, Lubricants, and Sealers .

Loose propeller shaft mounting bolts

Inspect the bolts and replace and tighten, as required. Refer to Propeller Shaft Replacement .

Transfer case bearing or rear drive axle clutch module

A chatter or ratcheting type noise during hard acceleration on tight turns.

Confirm noise is coming from the transfer case or the rear drive axle clutch module. Repair as required.