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Home >> Chevrolet >> 2021 >> Trailblazer L >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Power Transfer Unit AAM >> Repair Instructions - On Vehicle >> Power Transfer Unit Case Fluid Replacement >> Removal Procedure
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Removal Procedure

  1. Raise and support the vehicle. Lifting and Jacking the Vehicle
  2. GM5207569Courtesy of GENERAL MOTORS COMPANY

    Front Compartment Insulator (1) - Remove - 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)

  3. GM5262993Courtesy of GENERAL MOTORS COMPANY

    Power Transfer Unit Drain Plug (1) @ Power Transfer Unit Case - Remove and DISCARD

  4. Power Transfer Unit Fluid @ Power Transfer Unit Case - Drain
  5. Power Transfer Unit Fill Plug (2) @ Power Transfer Unit Case - Remove and DISCARD