LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Buick >> 2020 >> Regal Essence, AWD >> Repair and Diagnosis >> Transmission >> Power Transfer Unit/Transfer Case - AAM >> Repair Instructions - On Vehicle >> Drain Plug Replacement >> Removal Procedure
September 30: LEMON manuals is back up on a temporary server! Slowness is possible

Removal Procedure

  1. Remove the power transfer unit heat shield. Power Transfer Unit Heat Shield Replacement 
  2. GM3937119Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    When performing the following procedure, use only hand tools to remove and install the drain and fill plugs.

    NOTE:

    Ensure that an approved drain pan is used when draining the transfer case.

    Remove and DISCARD the oil drain plug (2) and seal.

  3. Remove and DISCARD the fill plug (1) and seal.
  4. Allow the transfer case to drain completely.