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Home › Buick › 2018 › Envision Base › Repair and Diagnosis › Transmission › Automatic Trans › Power Transfer Unit/Transfer Case - AAM › Description and Operation › Power Transfer Unit Case Description and Operation › External Components

External Components

GM3801939Courtesy of GENERAL MOTORS COMPANY
  1. Power Transfer Unit weep hole location - Main Case
  2. Power Transfer Unit Vent Hose Assembly
  3. Power Transfer Unit Input Shaft - Transmission Input
  4. Power Transfer Unit weep hole location - Extension Housing
  5. Power Transfer Unit Intermediate Drive Shaft - Right Axle Shaft
  6. Intermediate Drive Shaft Oil Seal
  7. Power Transfer Unit Oil Fill Plug
  8. Power Transfer Unit Oil Drain Plug
  9. Power Transfer Unit Rear Output Shaft
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