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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 998 (Transfer Case - NVG 263-NP1) >> Repair Instructions >> Transfer Case Assembly Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. 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 of 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 - One Piece or Propeller Shaft Replacement - Two Piece in Propeller Shaft.
  5. Remove the transmission shift control cable clip from the transfer case.
  6. Remove the transmission vent hose clip from the bracket, if equipped.
    7. Fig 1: Removing Transmission Vent Hose Clip
    GM102222Courtesy of GENERAL MOTORS CORP.
  7. Disconnect the speed sensor electrical connector.
  8. Disconnect the inline to engine harness electrical connector.
  9. Remove the inline connector from the harness bracket.
  10. Disconnect the encoder motor electrical connector.
    11. Fig 2: Disconnecting Encoder Motor Electrical Connector
    GM662044Courtesy of GENERAL MOTORS CORP.
  11. Remove the clips from the transfer case brackets.
  12. Disconnect the transfer case vent hose.
    13. Fig 3: Disconnecting Transfer Case Vent Hose
    GM715667Courtesy of GENERAL MOTORS CORP.
  13. Support the transmission with a suitable transmission jack stand.
  14. Remove the transmission mount nuts.
    15. Fig 4: Identifying Transmission Mount Nuts
    GM647997Courtesy of GENERAL MOTORS CORP.
  15. Remove the crossmember bolts.
  16. Remove the crossmember.
    17. Fig 5: Identifying Crossmember & Bolts
    GM652595Courtesy of GENERAL MOTORS CORP.
  17. Remove the transmission mount bolts
    18. Fig 6: Removing Transmission Mount Bolts
    GM715661Courtesy of GENERAL MOTORS CORP.
  18. Remove the transmission mount from the adapter.
  19. Support the transfer case with a suitable jack stand.
  20. Remove the transfer case adapter nuts.
    21. Fig 7: Removing Transfer Case Adapter Nuts
    GM715663Courtesy of GENERAL MOTORS CORP.
  21. Remove the harness bracket.
    IMPORTANT: The following service procedure must be performed with the assistance from another technician.
  22. Remove the transfer case, perform the following:
    1. Slide the transfer case straight back toward the rear of the vehicle.
    2. Rotate the transfer case so that the front output shaft is above the torsion bar bracket.
    3. Rotate the transfer case (with the input shaft slightly lowered) so that the transfer case is parallel to the torsion bar bracket.
    4. Lower the transfer case.
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