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Home >> Buick >> 2021 >> Envision Preferred, AWD >> Repair and Diagnosis >> Transmission >> Power Transfer Unit/Transfer Case - AAM >> Repair Instructions - On Vehicle >> Power Transfer Unit Face Seal Replacement >> Installation Procedure

Installation Procedure

  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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