GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2007 🢒 Sierra Classic - 4WD 🢒 Transmission/Transaxle 🢒 Transfer Case - NVG 149-NP3 🢒 Transfer Case Adapter Replacement

Removal Procedure

    Object Number: 652614 Size: SH
  1. Remove the transfer case. Refer to Transfer Case Assembly Replacement .
  2. Remove the transfer case adapter bolts.
  3. Remove the adapter.
  4. Remove the adapter seal.

Installation Procedure

    Object Number: 652614 Size: SH

    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.

  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.

  2. Install the adapter.

    3. Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  3. Install the adapter bolts.

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

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