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Home >> Chevrolet >> 2021 >> Trailblazer ACTIV, FWD >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Power Transfer Unit AAM >> Repair Instructions - On Vehicle >> Fill Plug Replacement >> Installation Procedure
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Installation Procedure

  1. GM5262996Courtesy of GENERAL MOTORS COMPANY

    Inspect the power transfer unit fluid to ensure it is even with the bottom of the fill plug.

  2. Add fluid, if necessary. Power Transfer Unit Case Fluid Replacement 
  3. Power Transfer Unit Fill Plug (1) @ Power Transfer Unit Case - Install NEW and tighten 40 N.m (30 lb ft)
  4. GM5207569Courtesy of GENERAL MOTORS COMPANY

    Front Compartment Insulator (1) - Install - Front Compartment Insulator Replacement (Base) , or Front Compartment Insulator Replacement (Service Cover for Engine Oil Filter) , or Front Compartment Insulator Replacement (Service Cover for Engine Oil Drain)

  5. Lower the vehicle.