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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 13 (Transfer Case - NVG 261-NP2 - Service & Troubleshooting) >> Repair Instructions >> Transfer Case Adapter Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different variant/trim than selected.
    IMPORTANT: Always use a new gasket and seal for the transfer case and the transfer case adapter. Do not use any type of sealant or adhesive in place of or with the gasket or the seal.
    Fig 1: Installing Transfer Case Gasket
    GM709077Courtesy of GENERAL MOTORS CORP.
  1. Install a NEW transfer case adapter seal.
    2. IMPORTANT: The transfer case adapter must be installed so that the adapter is evenly seated to the transmission before installing the retaining nuts.
  2. Position the transfer case adapter.
    3. NOTE: Refer to FASTENER NOTICE .
    Fig 2: Installing Transfer Case Adapter Bolts
    GM709158Courtesy of GENERAL MOTORS CORP.
  3. Install the transfer case adapter bolts.

    Tighten:  Tighten the bolts to 50 N.m (37 lb ft).

    4. IMPORTANT: When installing the gasket to the transfer case, make sure that the yellow printing on the gasket is facing toward the transfer case (away from the transmission). The locating tab on the gasket should always be pointing up.
    Fig 3: View Of Transfer Case Gasket
    GM654219Courtesy of GENERAL MOTORS CORP.
  4. Install the new transfer case gasket.
  5. Install the transfer case. Refer to Transfer Case Assembly Replacement .
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