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Home >> Buick >> 2023 >> Envision Preferred, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 11 (Power Transfer Unit/Transfer Case - AAM) >> Repair Instructions - On Vehicle >> Fill Plug Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2021 Buick Envision. However, it is still accessible from the selected car via links, so may be relevant.
  1. Fill the power transfer unit to the bottom of the power transfer unit fill plug hole with the recommended fluid. Adhesives, Fluids, Lubricants, and Sealers , and Approximate Fluid Capacities 
  2. Fig 1: Identifying Power Transfer Unit Fill Plug
    GM5605203Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Component Fastener Tightening Caution

    Power Transfer Unit Fill Plug (1) @ Power Transfer Unit Case - Install and tighten 40 N.m (30 lb ft)

  3. Power Transfer Unit Heat Shield - Install - Power Transfer Unit Heat Shield Replacement 
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