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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 17 (Transfer Case - NVG 149-NP3 - 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 seal for the adapter. Do not use any type of sealant or adhesive in place of, or with the seal.
    Fig 1: View Of Transfer Case Adapter, Bolts & Seal
    GM652614Courtesy of GENERAL MOTORS CORP.
  1. Install a NEW seal onto the adapter.
  2. IMPORTANT: The transfer case adapter must be installed so that the adapter is evenly seated to the transmission before installing the retaining nuts.
    NOTE: Refer to FASTENER NOTICE .
  3. Install the adapter.
  4. Install the adapter bolts.

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

  5. Install the transfer case. Refer to Transfer Case Assembly Replacement .