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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 156 (Transfer Case - BW 4485-Nr3 AWD) >> Repair Instructions >> Transfer Case Assembly Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2007 GMC Yukon XL, 2007 GMC Yukon, 2007 Cadillac Escalade EXT, 2007 Cadillac Escalade ESV, and 2007 Cadillac Escalade. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Transfer Case & Transmission
    GM828574Courtesy of GENERAL MOTORS CORP.
  1. Install the transfer case onto a suitable transmission jack.
    2. IMPORTANT: When installing a new transfer case gasket, the gasket must be installed with the tab oriented up, and the yellow printing towards to front of the vehicle. Install the gasket without the use of any type of sealant or of lubricant.
  2. Install a NEW transfer case gasket.
  3. Rotate the 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 to the adapter.
  7. Install the fuel pipe bracket onto the studs.
    8. 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).

    9. Fig 2: Identifying Crossmember & Bolts
    GM652595Courtesy of GENERAL MOTORS CORP.
  9. Position the crossmember.
  10. Install the crossmember bolts.

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

    11. Fig 3: Identifying Transmission Mount Nuts
    GM647997Courtesy of GENERAL MOTORS CORP.
  11. Install the transmission mount nuts.

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

  12. Remove the jack stand from the transmission.
    13. Fig 4: Transfer Case Components
    GM826962Courtesy of GENERAL MOTORS CORP.
  13. Install the fuel pipe clip to the fuel pipe bracket.
  14. Install the clips (5, 6) to the fuel pipe bracket.
  15. Position the speed sensor wire.
  16. Install the clip (3) to the transfer case bracket.
  17. Connect the speed sensor electrical connector (4).
  18. Install the front propeller shaft. Refer to Front Propeller Shaft Replacement .
  19. Install the rear propeller shaft. Refer to Rear Propeller Shaft Replacement .
  20. Fill the transfer case with fluid.
  21. Install the transfer case shield, if equipped. Refer to Transfer Case Shield Replacement .
  22. Lower the vehicle.
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