GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

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


    Object Number: 660281  Size: SH
  1. Remove the transfer case shield, if equipped. Refer to Transfer Case Fluid Replacement .
  2. Remove the fill plug.

  3. Object Number: 660282  Size: SH
  4. Remove the drain plug.

Installation Procedure

    Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 660282  Size: SH

    Important: Use only drain and fill plugs that are made from aluminum. Steel or brass plugs are not compatible with the magnesium case.

  1. Install the drain plug.
  2. Tighten
    Tighten the plug to 20 N·m (15 lb ft).

  3. Fill the transfer case to the bottom of the fill plug hole with manual transmission and transfer case fluid GM P/N 88861800 (Canadian P/N 88861801).

  4. Object Number: 660281  Size: SH
  5. Install the fill plug.
  6. Tighten
    Tighten the plug to 20 N·m (15 lb ft).

  7. Lower the vehicle.