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Home >> GMC >> 2021 >> Terrain SL >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Power Transfer Unit/Transfer Case - AAM) >> Repair Instructions - On Vehicle >> Power Transfer Unit Face Seal Replacement >> Removal Procedure
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Removal Procedure

WARNING: This page is about a different variant/trim than selected.
  1. Remove the power transfer unit from the vehicle. Power Transfer Unit Case Replacement (M3D transmission with LSY engine) 
  2. GM4574042Courtesy of GENERAL MOTORS COMPANY

    Remove and Discard the power transfer unit face seal (1) from the power transfer unit.