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Home >> Buick >> 2021 >> Envision Preferred, FWD >> 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 >> Installation Procedure
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Installation Procedure

WARNING: This page is about a different variant/trim than selected.
  1. GM5063646Courtesy of GENERAL MOTORS COMPANY

    Install the NEW power transfer unit face seal (1) to the power transfer unit.

  2. Install the power transfer unit in the vehicle. Power Transfer Unit Case Replacement 
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