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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1399 (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 2009 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.
    NOTE: 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. CAUTION: Refer to Fastener Caution .
  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 the recommended fluid. Refer to Adhesives, Fluids, Lubricants, and Sealers .
    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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