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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 >> Removal Procedure

Removal 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: Transfer Case Components
    GM826962Courtesy of GENERAL MOTORS CORP.
  1. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle .
  2. Remove the transfer case shield, if equipped. Refer to Transfer Case Shield Replacement .
  3. Remove the rear propeller shaft. Refer to Rear Propeller Shaft Replacement .
  4. Remove the front propeller shaft. Refer to Front Propeller Shaft Replacement .
  5. Drain the fluid from the transfer case.
  6. Disconnect the speed sensor electrical connector (4).
  7. Remove the clip (3) from the transfer case bracket.
  8. Reposition the speed sensor wire.
  9. Remove the clips (5, 6) from the fuel pipe bracket.
  10. Remove the fuel pipe clip from the fuel pipe bracket.
  11. Support the transmission with a suitable jack stand.
    12. Fig 2: Identifying Transmission Mount Nuts
    GM647997Courtesy of GENERAL MOTORS CORP.
  12. Remove the transmission mount nuts.
    13. Fig 3: Identifying Crossmember & Bolts
    GM652595Courtesy of GENERAL MOTORS CORP.
  13. Remove the crossmember bolts.
  14. Remove the crossmember.
  15. Install a suitable transmission jack to the transfer case.
    16. Fig 4: View Of Transfer Case & Transmission
    GM828574Courtesy of GENERAL MOTORS CORP.
  16. Remove the transfer case adapter nuts.
  17. Remove the fuel pipe bracket from the studs.
    IMPORTANT: Pull straight back on the transfer case in order to position the transfer case so that it can be rotated parallel to the transmission.
  18. Remove the transfer case from the adapter.
  19. Rotate the transfer case so that it is perpendicular to the torsion bar mounting bracket.
  20. Lower the transfer case.
  21. Remove the gasket from the transfer case.
  22. Remove the transfer case from the transmission jack.
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