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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 951 (Transfer Case - BW 4485-Nr3) >> Repair Instructions - On Vehicle >> Transfer Case Fluid Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2007 GMC Sierra. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Transfer Case Drain Plug
    GM823193Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: Use only drain and fill plugs that are made from aluminum. Steel or brass plugs are not compatible with the magnesium case.
  1. Apply sealant GM P/N 12346004 (Canadian P/N 10953480) or equivalent, to the threads of the drain and fill plugs.
    2. NOTE: Refer to Fastener Notice .
  2. Install the drain plug.

    Tighten:  Tighten the plug to 25 N.m (18 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. Fig 2: View Of Transfer Case Fill Plug
    GM660281Courtesy of GENERAL MOTORS CORP.
  4. Install the fill plug.

    Tighten:  Tighten the plug to 25 N.m (18 lb ft).

  5. Install the transfer case shield, if equipped. Refer to Transfer Case Shield Replacement .
  6. Lower the vehicle.
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