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Home >> Chevrolet >> 2004 >> Avalanche 2500 >> Repair and Diagnosis >> External Pages >> Different car >> Section 411 (Transfer Case - BW 4482-Nr4) >> Repair Instructions >> Transfer Case Assembly Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2004 GMC Yukon XL and 2004 GMC Yukon. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the transfer case shield, if equipped. Refer to Transfer Case Shield Replacement .
  2. Drain the transfer case fluid.
  3. Remove the front propeller shaft. Refer to Propeller Shaft Replacement - Front in Propeller Shaft.
  4. Remove the rear propeller shaft. Refer to Propeller Shaft Replacement - Rear in Propeller Shaft.
  5. Remove the vent hose (2) from the transfer case fitting (1).
  6. Reposition the vent hose out of the way.
    7. Fig 1: View Of Vent Hose To Transfer Case Fitting
    GM829842Courtesy of GENERAL MOTORS CORP.
  7. Remove the harness inline to engine harness connector clip from the fuel feed and return pipe bracket.
  8. Disconnect the encoder motor electrical connector (2).
  9. Disconnect the speed sensor electrical connectors (1).
  10. Remove the harness clips from the transfer case.
  11. Reposition the harness out of the way.
    IMPORTANT: Ensure that the transfer case is correctly secured to the transmission jack.
    12. Fig 2: View Of Speed Sensor & Encoder Motor Electrical Connectors
    GM856630Courtesy of GENERAL MOTORS CORP.
  12. Support the transmission and transfer case with suitable transmission jacks.
  13. Remove the transmission mount nuts.
    14. Fig 3: Identifying Transmission Mount Nuts
    GM647997Courtesy of GENERAL MOTORS CORP.
  14. Remove the crossmember bolts.
  15. Remove the crossmember.
    16. Fig 4: Identifying Crossmember & Bolts
    GM652595Courtesy of GENERAL MOTORS CORP.
  16. Remove the transmission mount bolts.
    17. Fig 5: Locating Transmission Mount
    GM715661Courtesy of GENERAL MOTORS CORP.
  17. Remove the transmission mount.
    18. Fig 6: View Of Transmission Mount
    GM648001Courtesy of GENERAL MOTORS CORP.
  18. Remove the transfer case adapter nuts.
  19. Remove the fuel feed and return pipe bracket.
  20. Separate the transfer case from the transmission by moving the transfer case straight back toward the rear of the vehicle.
  21. Rotate the transfer case so that the transfer case is perpendicular to the transmission.
  22. Lower the transfer case.
    23. Fig 7: View Of Transfer Case & Transmission
    GM828574Courtesy of GENERAL MOTORS CORP.
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