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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 521 (Transfer Case - BW 4485 (Nr3)) >> Repair Instructions - On Vehicle >> Drain Plug Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2012 GMC Yukon XL, 2012 GMC Yukon, 2012 Cadillac Escalade EXT, 2012 Cadillac Escalade ESV, and 2012 Cadillac Escalade. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Transfer Case Fill Plug
    GM660281Courtesy of GENERAL MOTORS COMPANY
    NOTE:

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

  1. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle .
  2. Remove the transfer case shield, if equipped. Refer to Transfer Case Shield Replacement .
  3. Remove the fill plug.
  4. Fig 2: View Of Transfer Case Drain Plug
    GM823193Courtesy of GENERAL MOTORS COMPANY
    NOTE:

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

  5. Remove the drain plug.
  6. Allow the transfer case to drain completely.