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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1614 (Transfer Case - NVG 246-NP8 (Two Speed Automatic)) >> Repair Instructions >> Transfer Case Assembly Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Silverado, and 2003 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. Remove the front propeller shaft. Refer to PROPELLER SHAFT REPLACEMENT-FRONT  .
  3. Remove the rear propeller shaft. Refer to PROPELLER SHAFT REPLACEMENT-ONE PIECE  .
  4. Remove the vent hose (2) from the transfer case fitting (1).
  5. Reposition the vent hose out of the way.
    Fig 1: Vent Hose & Transfer Case Fitting
    G01481158Courtesy of GENERAL MOTORS CORP.
  6. Remove the harness in-line 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.
    IMPORTANT: Ensure that the transfer case is correctly secured to the transmission jack.
  11. Support the transfer case with a suitable transmission jack.
    Fig 2: Electrical Connectors & Harness Clips
    G01481159Courtesy 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 it is perpendicular to the transmission.
  16. Lower the transfer case.
    Fig 3: Transfer Case, Nuts, Fuel Feed & Return Pipe Bracket
    G01481160Courtesy of GENERAL MOTORS CORP.
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