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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1615 (Transfer Case - NVG 261-NP2 (Two Speed Manual)) >> Repair Instructions >> Transfer Case Assembly Replacement >> Installation Procedure

Installation Procedure

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IMPORTANT: The following installation procedure must be performed with the assistance of another technician.
  1. Raise the transfer case into position (the transfer case should be parallel to the torsion bar bracket).
  2. Rotate the transfer case so that it is in line with the adapter.
  3. Install the transfer case.
  4. Install the shift control switch harness bracket.
    Fig 1: Shift Control Switch Harness Bracket & Transfer Case
    G01481262Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to FASTENER NOTICE .
  5. Install the transfer case adapter nuts.

    Tighten 

    Tighten the nuts to 50 N.m (37 lb ft).

    6. Fig 2: Transfer Case Adapter Nut
    G01481263Courtesy of GENERAL MOTORS CORP.
  6. Install the transmission mount.
    Fig 3: Transmission Mount
    G01481264Courtesy of GENERAL MOTORS CORP.
  7. Install the transmission mount bolts.

    Tighten 

    Tighten the bolts to 47 N.m (35 lb ft).

    Fig 4: Transmission Mount Bolts
    G01481265Courtesy of GENERAL MOTORS CORP.
  8. Install the crossmember.
  9. Install the crossmember bolts.

    Tighten 

    Tighten the bolts to 70 N.m (52 lb ft).

    Fig 5: Crossmember & Bolts
    G01481266Courtesy of GENERAL MOTORS CORP.
  10. Lower the transfer case and transmission onto the transmission support.
  11. Install the transmission mount nuts.

    Tighten 

    Tighten the nuts to 40 N.m (30 lb ft).

  12. Remove the support from the transfer case.
  13. Remove the transmission jack stand.
  14. Install the control rod. Refer to Transfer Case Control Rod Replacement .
    Fig 6: Transmission Mount Nut
    G01481267Courtesy of GENERAL MOTORS CORP.
  15. Install the vent hose.
    Fig 7: Vent Hose
    G01481268Courtesy of GENERAL MOTORS CORP.
  16. Position the harness.
  17. Install the harness clips (3) to the transfer case.
  18. Connect the speed sensor electrical connector (4).
  19. Connect the gear indicator switch electrical connector (2).
  20. Install the in-line to engine harness electrical connector (1) to the bracket.
  21. Install the rear propeller shaft. Refer to PROPELLER SHAFT REPLACEMENT-ONE PIECE  or  PROPELLER SHAFT REPLACEMENT-TWO PIECE  .
  22. Install the front propeller shaft. Refer to PROPELLER SHAFT REPLACEMENT-FRONT  .
  23. Check the fluid level. Add fluid if necessary.
  24. Install the transfer case shield, if equipped, Refer to Transfer Case Speed Sensor Replacement .
    Fig 8: Harness Clips, Gear Indicator Switch & Engine Harness Electrical Connectors
    G01481269Courtesy of GENERAL MOTORS CORP.
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