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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1156 (Transfer Case - BW 4477) >> Repair Instructions - On Vehicle >> Transfer Case Assembly Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2008 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View of Transfer Case Assembly
    GM1979770Courtesy of GENERAL MOTORS CORP.
  1. Apply grease GM P/N 1051344 (Canadian P/N 993037), or equivalent, on the input splines starting from the front edge to 10 mm inward in a continuous pattern around the inside diameter (ID) of the splines to completely fill the splines.
  2. Install the transfer case gasket (9).
  3. Install the transfer case (8).
  4. Install the transfer case dampener (7).
    5. NOTE: Refer to Fastener Notice .
  5. Install the transfer case bolts (1-6).

    Tighten:  Tighten the case-to-transmission bolts to 60 N.m (44 lb ft).

  6. Remove the adjustable jack from the transfer case.
    7. Fig 2: View of Propeller Shaft To Transfer Case Flange
    GM901932Courtesy of GENERAL MOTORS CORP.
  7. Install the transmission mount assembly. Refer to Transmission Mount Replacement .
  8. Remove the jack and block of wood from under the transmission.
  9. Install the front propeller shaft. Refer to Front Propeller Shaft Replacement .
  10. Install the rear propeller shaft. Refer to Rear Propeller Shaft Replacement (RWD) or Rear Propeller Shaft Replacement (AWD) .
  11. Install the exhaust system. Refer to Exhaust System Replacement (With LY7 and LLT) or Exhaust System Replacement (With LP1) .
  12. Refill the transfer case with fluid. Refer to Transfer Case Fluid Replacement .
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