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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 665 (Transfer Case - NVG 263-NP1 (SELECTABLE)) >> Repair Instructions >> Transfer Case Assembly Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2002 GMC Sierra, 2002 GMC Cab & Chassis Sierra, 2002 Chevrolet Silverado, and 2002 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Raise the vehicle.
  2. Remove the transfer case shield. Refer to Transfer Case Shield Replacement .
    3. Fig 1: Transfer Case Shield
    G01668952Courtesy of GENERAL MOTORS CORP.
  3. Drain the transfer case of fluid. Refer to Transfer Case Fluid Replacement .
  4. Remove the front propeller shaft. Refer to PROPELLER SHAFT REPLACEMENT - FRONT .
  5. Remove the rear propeller shaft.
  6. Remove the transmission shift control cable from the transfer case.
    Fig 2: Transmission Shift Control Cable
    G01668953Courtesy of GENERAL MOTORS CORP.
  7. Remove the transfer case speed sensor electrical connector.
    Fig 3: Transfer Case Speed Sensor Electrical Connector
    G01668954Courtesy of GENERAL MOTORS CORP.
  8. Remove the motor/encoder electrical connector.
    Fig 4: Transfer Case Motor/Encoder Electrical Connector
    G01668955Courtesy of GENERAL MOTORS CORP.
  9. Remove the transfer case vent hose.
    10. Fig 5: Transfer Case Vent Hose
    G01668956Courtesy of GENERAL MOTORS CORP.
  10. Support the transmission with a suitable transmission jack stand.
  11. Remove the transmission mount retaining nuts.
    12. Fig 6: Transmission Mount Retaining Nuts
    G01668957Courtesy of GENERAL MOTORS CORP.
  12. Raise the transmission high enough in order to remove the transmission mount.
  13. Remove the transmission support mounting bolts.
    14. Fig 7: Transmission Support
    G01668958Courtesy of GENERAL MOTORS CORP.
  14. Remove the transmission support from the frame.
  15. Support the transfer case with a suitable jack stand.
  16. Remove the transmission mount bolts.
    17. Fig 8: Transmission Mount Bolt
    G01668959Courtesy of GENERAL MOTORS CORP.
  17. Remove the transmission mount from the adapter.
  18. Remove the retaining nuts for the transfer case adapter.

    Important:  The following service procedure must be performed with the assistance from another technician.

    19. Fig 9: Transfer Case Adapter Nut
    G01668960Courtesy of GENERAL MOTORS CORP.
  19. Slide the transfer case straight back toward the rear of the vehicle.
  20. Rotate the transfer case so that the front output shaft is above the torsion bar bracket.
  21. Rotate the transfer case (with the input shaft slightly lowered) so that the transfer case is parallel to the torsion bar bracket.
  22. Lower the transfer case.
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