GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Isuzu 🢒 2007 🢒 Ascender - 2WD 🢒 Transmission/Transaxle 🢒 Transfer Case - NVG 226-NP8 🢒 Transfer Case Adapter Replacement

Removal Procedure

    Object Number: 747095 Size: SH
  1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle .
  2. Remove the transfer case assembly from the vehicle. Refer to Transfer Case Assembly Replacement .

    3. Object Number: 747102 Size: SH

    Important: The transmission mount DOES NOT have to be removed to perform the following service procedure.

  3. Remove the transmission mount bolts.

    4. Object Number: 747100 Size: SH
  4. Install a transmission jack under the transmission.
  5. Lift the transmission just high enough to remove the transfer case adapter.

    6. Object Number: 746675 Size: SH
  6. Remove the transfer case adapter mounting bolts from the transmission.

    7. Object Number: 747108 Size: SH
  7. Remove the transfer case adapter from the transmission.

    8. Object Number: 746674 Size: SH
  8. Remove the transfer case adapter seal.

Installation Procedure

    Object Number: 746674 Size: SH
  1. Install the new seal on the transfer case adapter.
  2. Install the transfer adapter to the transmission.

    3. Object Number: 709158 Size: SH

    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 transfer case adapter mounting bolts to the transmission.

    4. Tighten
    Tighten the bolts to 47 N·m (35 lb ft).


    Object Number: 747102 Size: SH
  4. Lower the transmission to install the transmission mount bolts.
  5. Install the transmission mount bolts.

    6. Tighten
    Tighten the bolts to 25 N·m (18 lb ft).

  6. Remove the transmission jack.
  7. Install the transfer case assembly to the vehicle. Refer to Transfer Case Assembly Replacement .
  8. Lower the vehicle. Refer to Lifting and Jacking the Vehicle .