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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 902 (Transfer Case - NVG 233-NP1 (Two Speed SELECTABLE)) >> Repair Instructions >> Transfer Case Assembly Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2003 GMC Sonoma, 2003 GMC Jimmy, 2003 Chevrolet S10 Pickup, and 2003 Chevrolet Blazer. However, it is still accessible from the selected car via links, so may be relevant.
  1. Raise the vehicle. Refer to JACKING AND LIFTING in General information.
    Fig 1: Removing Brace From Transfer Case Left Side
    G01468278Courtesy of GENERAL MOTORS CORP.
  2. Remove the transfer case shield. Refer to TRANSFER CASE SHIELD REPLACEMENT  .
  3. Remove the brace from the transfer case left side shown, if equipped.
  4. Drain the transfer case of fluid. Refer to TRANSFER CASE FLUID REPLACEMENT  .
  5. Remove the rear propeller shaft.
    • For vehicles equipped with the one piece propeller shaft, refer to PROPELLER SHAFT REPLACEMENT - ONE PIECE in Propeller Shaft.
    • For vehicles equipped with the two piece propeller shaft, refer to PROPELLER SHAFT REPLACEMENT - TWO PIECE in Propeller Shaft.
  6. Remove the front propeller shaft. Refer to PROPELLER SHAFT REPLACEMENT - FRONT in Propeller Shaft.
  7. Remove the motor/encoder electrical connector.
  8. Remove the motor/encoder electrical wiring harness.
    Fig 2: Removing Motor/Encoder Electrical Wiring Harness
    G01468279Courtesy of GENERAL MOTORS CORP.
  9. Remove the vacuum line for the transfer case vacuum switch.
  10. Support the transmission with a suitable jack stand.
    Fig 3: Removing Vacuum Line For Transfer Case Vacuum Switch
    G01468280Courtesy of GENERAL MOTORS CORP.
  11. Remove the transmission mount retaining bolts.
    Fig 4: Removing Transmission Mount Retaining Bolts
    G01468281Courtesy of GENERAL MOTORS CORP.
  12. Remove the transmission support assembly.
    Fig 5: Removing Transmission Support Assembly
    G01468282Courtesy of GENERAL MOTORS CORP.
  13. Remove the transmission mount (automatic transmission only).
    Fig 6: Removing Transmission Mount (Automatic Transmission Only)
    G01468283Courtesy of GENERAL MOTORS CORP.
  14. Remove the transfer case adapter retaining nuts.

    Important:  The following service procedure should be performed with the aid of another technician.

  15. Remove the transfer case from the transfer case adapter straight back toward the rear of the vehicle.
  16. Lower the front of the transfer case.
  17. Raise the rear of the transfer case so that it above the torsion bar bracket.
  18. In a downward motion, remove the transfer case from the vehicle.
    Fig 7: Removing Transfer Case Adapter Retaining Nuts
    G01468284Courtesy of GENERAL MOTORS CORP.

    Important:  If during the removal of the transfer case the gasket becomes damaged, do not reuse the gasket. Replace the damaged gasket with a new one. DO NOT use any type of sealant in place of the gasket.

  19. Remove the transfer case gasket.
    Fig 8: Removing Transfer Case Gasket
    G01468285Courtesy of GENERAL MOTORS CORP.
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