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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 131 (Transfer Case - NVG 246-NP8) >> 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 Chevrolet Tahoe, 2007 Chevrolet Suburban, and 2007 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Vent Hose & Transfer Case Fitting
    GM829842Courtesy of GENERAL MOTORS CORP.
  1. Remove the transfer case shield, if equipped. Refer to Transfer Case Shield Replacement .
  2. Remove the front propeller shaft. Refer to Front Propeller Shaft Replacement in Propeller Shaft.
  3. Remove the rear propeller shaft. Refer to Rear Propeller Shaft Replacement in Propeller Shaft.
  4. Remove the vent hose (2) from the transfer case fitting (1).
  5. Reposition the vent hose out of the way.
    6. Fig 2: Identifying External Transfer Case Components
    GM829147Courtesy of GENERAL MOTORS CORP.
  6. Remove the harness inline to engine harness connector (1) clip from the fuel feed and return pipe bracket.
  7. Disconnect the encoder motor electrical connector (7).
  8. Disconnect the speed sensor electrical connectors (3, 4, and 5).
  9. Remove the harness clips (6, 8) from the transfer case.
  10. Reposition the harness out of the way.
    11. IMPORTANT: Ensure that the transfer case is correctly secured to the transmission jack.
  11. Support the transfer case with a suitable transmission jack.
    12. Fig 3: View Of Transfer Case & Transmission
    GM828574Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: When removing the transfer case from the transmission, do not remove the transmission mount or the transfer case adapter.
  12. Remove the transfer case adapter nuts.
  13. Remove the fuel feed and return pipe bracket.
  14. Separate the transfer case from the transmission by moving the transfer case straight back toward the rear of the vehicle.
  15. Rotate the transfer case so that the transfer case is perpendicular to the transmission.
  16. Lower the transfer case.
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