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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 14 (Transfer Case - NVG 246-NP8 - Service & Diagnosis) >> Repair Instructions >> Transfer Case Assembly Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different variant/trim than selected.
  1. Rotate the transfer case so that the transfer case is perpendicular to the transmission.
  2. Raise the transfer case into position.
  3. Rotate the transfer case so that the transfer case aligns with the transfer case adapter.
  4. Install the transfer case.
    Fig 1: View Of Transfer Case & Transmission
    GM828574Courtesy of GENERAL MOTORS CORP.
  5. Install the fuel feed and return pipe bracket.
    NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
  6. Install the transfer case adapter nuts.

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

  7. Remove the transmission jack from under the transfer case.
  8. Position the harness to the transfer case.
  9. Install the harness clips (6, 8) to the transfer case.
    Fig 2: Identifying External Transfer Case Components
    GM829147Courtesy of GENERAL MOTORS CORP.
  10. Connect the speed sensor electrical connectors (3, 4, and 5).
  11. Connect the encoder motor electrical connector (7).
  12. Install the harness in-line to engine harness connector (1) clip to the fuel feed and return pipe bracket.
  13. Position the vent hose to the transfer case.
  14. Install the vent hose (2) to the transfer case fitting (1).
    Fig 3: Vent Hose & Transfer Case Fitting
    GM829842Courtesy of GENERAL MOTORS CORP.
  15. Install the rear propeller shaft. Refer to Propeller Shaft Replacement - One Piece in Propeller Shaft.
  16. Install the front propeller shaft. Refer to Propeller Shaft Replacement - Front in Propeller Shaft.
  17. Install the transfer case shield, if equipped. Refer to Transfer Case Shield Replacement .
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