GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2006 🢒 TopKick C-Series (Conventional) C6/C7/C8 🢒 Driveline/Axle 🢒 Transfer Case - NVG 273 🢒 Rear Output Shaft Seal Replacement

Tools Required

    • J 8614-01 Flange and Pulley Holding Tool
    • J 37668-A Output Shaft Seal Installer

Removal Procedure
  1. Remove the rear propeller shaft. Refer to:
    2. •  One-Piece Rear Propeller Shaft Replacement
    •  Two-Piece Rear Propeller Shaft Replacement
    •  Three-Piece Rear Propeller Shaft Replacement
    •  Four-Piece Rear Propeller Shaft Replacement
    •  Tandem Axle Propeller Shaft Replacement

    Object Number: 1403911 Size: SH
  2. Remove the rear output flange nut.

    3. Object Number: 1403917 Size: SH
  3. Using the J 8614-01 , remove the rear output flange.

    4. Notice: Refer to Transfer Case Seal Removal Notice in the Preface section.


    Object Number: 1403920 Size: SH
  4. Remove the rear output seal.

Installation Procedure

    Object Number: 1456817 Size: SH
  1. Using the J 37668-A , install the rear output seal to the transfer case.

    2. Object Number: 1456819 Size: SH
  2. Install the rear output flange.
  3. Install the J 8614-01 to the rear output flange for support.

    4. Notice: Refer to Fastener Notice in the Preface section.

  4. Install the rear output flange nut.

    5. Tighten
    Tighten the rear output flange nut to 224 N·m (165 lb ft).

  5. Install the rear propeller shaft. Refer to:
    6. •  One-Piece Rear Propeller Shaft Replacement
    •  Two-Piece Rear Propeller Shaft Replacement
    •  Three-Piece Rear Propeller Shaft Replacement
    •  Four-Piece Rear Propeller Shaft Replacement
    •  Tandem Axle Propeller Shaft Replacement