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Home >> Buick >> 2018 >> Regal Base >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 8 (Power Transfer Unit/Transfer Case - AAM) >> Repair Instructions - Off Vehicle >> Power Transfer Unit Case Disassemble >> Power Transfer Unit Rear Seals Removal

Power Transfer Unit Rear Seals Removal

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GM3793513
Power Transfer Unit Rear Seals Removal

Callout Component Name
1 Power Transfer Unit Propeller Shaft Retainer
Procedure 
Remove and DISCARD the retainer.
2 Power Transfer Unit Propeller Shaft Seal (O-ring)
3 Power Transfer Unit Rear Output Shaft Seal

Procedure

  1. Use a screwdriver to remove the seal from the housing. Remove the inner part of the seal first and then the outer part of the seal. Use care to prevent damage to the housing seal bore or shaft sealing surface. The seal is to be removed in two pieces.
  2. Remove and DISCARD the seal.