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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1348 (Transfer Case - NVG 149-NP (One Speed Automatic)) >> Repair Instructions >> Transfer Case Assembly Replacement >> Installation Procedure.

Installation Procedure.

WARNING: This page is about a different car, the 2003 GMC Sierra and 2003 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Place the transfer case onto a suitable transmission jack.
    IMPORTANT: When installing a new transfer case gasket, the gasket must be installed with the locating tab oriented up, and the yellow printing towards the front of the vehicle. Install the gasket without the use of any type of sealant or lubricant.
  2. Install a NEW transfer case gasket.
  3. Rotate that transfer case so that it is parallel to the torsion bar mounting bracket.
  4. Raise the transfer case into position.
  5. Rotate the transfer case so that it is aligned with the adapter.
  6. Install the transfer case.
  7. Install the fuel pipe bracket onto the studs.
    NOTE: Refer to FASTENER NOTICE .
    IMPORTANT: Ensure that the gasket is flush to the transmission prior to installing the nuts.
  8. Install the transfer case adapter nuts.

    Tighten 

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

    Fig 1: Transfer Case, Gasket, Fuel Pipe Bracket & Nuts
    G01481043Courtesy of GENERAL MOTORS CORP.
  9. Position the crossmember.
  10. Install the crossmember bolts.

    Tighten 

    Tighten the bolts to 70 N.m (52 lb ft).

    Fig 2: Crossmember & Bolts
    G01481044Courtesy of GENERAL MOTORS CORP.
  11. Install the transmission mount.
    Fig 3: Transmission Mount
    G01481045Courtesy of GENERAL MOTORS CORP.
  12. Install the transmission mount bolts (1), to the transfer case.

    Tighten 

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

  13. Lower the transfer case.
    Fig 4: Transmission Mount Bolts
    G01481046Courtesy of GENERAL MOTORS CORP.
  14. Install the transmission mount nuts.

    Tighten 

    Tighten the nuts to 40 N.m (30 lb ft).

  15. Remove the jack stand from the transmission.
  16. Remove the transmission jack from the transfer case.
    Fig 5: Transmission Mount Nuts
    G01481047Courtesy of GENERAL MOTORS CORP.
  17. Install the fuel pipe clip to the fuel pipe bracket.
  18. Install the clips (5, 6) to the fuel pipe bracket.
  19. Position the speed sensor wire.
  20. Install the speed sensor wire clip (3) to the bracket.
  21. Connect the speed sensor electrical connector (4).
  22. Install the transmission selector cable to the bracket.
  23. Install the transmission vent hose clip to the bracket.
  24. Install the rear propeller shaft. Refer to PROPELLER SHAFT REPLACEMENT-ONE PIECE  .
  25. Install the front propeller shaft. Refer to PROPELLER SHAFT REPLACEMENT-FRONT  .
  26. Refill the transfer case with fluid.
  27. Install the transfer case shield, if equipped. Refer to Transfer Case Shield Replacement .
    Fig 6: Speed Sensor Electrical Connector & Wire Clips
    G01481048Courtesy of GENERAL MOTORS CORP.
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