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Home >> Buick >> 2020 >> Regal Base >> Repair and Diagnosis (Single Page) >> Transmission >> Power Transfer Unit/Transfer Case - AAM >> Description and Operation >> Power Transfer Unit Case Description and Operation >> External Components
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External Components

Fig 1: Identifying Power Transfer Unit External Components
GM3801939Courtesy of GENERAL MOTORS COMPANY
  1. Power Transfer Unit weep hole location - Main Case
  2. Power Transfer Unit Vent Hose
  3. Power Transfer Unit Input Shaft
  4. Power Transfer Unit weep hole location - Extension Housing
  5. Power Transfer Unit Intermediate Drive Shaft
  6. Power Transfer Unit Intermediate Drive Shaft Seal
  7. Power Transfer Unit Fill Plug
  8. Power Transfer Unit Drain Plug
  9. Power Transfer Unit Rear Output Shaft
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