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Home >> Cadillac >> 2021 >> XT5 Sport >> Repair and Diagnosis >> External Pages >> Different car >> Section 816 (Transfer Case - Mp 3023/3024 (NQH) - Repair Instructions - On Vehicle) >> Repair Instructions - On Vehicle >> Transfer Case Front Output Shaft Seal Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2023 GMC Sierra 3500 HD and 2023 GMC Sierra 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
  1. GM5925213Courtesy of GENERAL MOTORS COMPANY

    Install a NEW transfer case front output shaft seal (3) using the J-8092  Driver Handle (1) and DT-50649  Seal Installer (2).

  2. GM5925220Courtesy of GENERAL MOTORS COMPANY

    Use the J-8092  Driver Handle (1) and DT-50649  Seal Installer (2) to install the NEW transfer case front output shaft oil slinger (3).

  3. GM5786866Courtesy of GENERAL MOTORS COMPANY

    Loosely install a NEW front axle propeller shaft slip yoke boot clamp (2) to the front axle propeller shaft slip yoke boot (1) groove.

  4. Front Axle Propeller Shaft Slip Yoke Boot (1) - Install
  5. GM5247615Courtesy of GENERAL MOTORS COMPANY

    Ensure the front axle propeller shaft slip yoke boot (1) is fully engaged into the groove of the transfer case output shaft.

  6. Using the DT-35910  Drive Axle Seal Clamp Pliers (2), crimp the front axle propeller shaft slip yoke boot clamp (3) until the gap (a) at the base of the ear is 1.5 mm (0.059 in).
  7. GM5659419Courtesy of GENERAL MOTORS COMPANY

    Apply a thin layer of grease to the front axle propeller shaft (3) splines. Adhesives, Fluids, Lubricants, and Sealers

  8. Loosely install a NEW front axle propeller shaft slip yoke boot clamp (1) to the front axle propeller shaft slip yoke boot (2) groove.
  9. Front Axle Propeller Shaft (3) - Install
  10. GM5659414Courtesy of GENERAL MOTORS COMPANY

    Align the reference marks made between the front axle propeller shaft and the front axle drive pinion flange.

  11. If NEW threaded components are being installed, loosen the adhesive using a metal pick or similar tool before proceeding. If threaded components are reused, prepare the threaded components using the following steps:
    1. Remove any loose cured adhesive from the external threads of the components using a lint free cloth.
    2. Thread the cleaned components into the internal mating threads and remove to loosen trapped cured adhesive.
    3. Apply thread locking adhesive to the external threads of the components. Adhesives, Fluids, Lubricants, and Sealers
    4. Ensure there are no gaps in the thread locking adhesive once applied to the component.
  12. Front Axle Propeller Shaft Retainer (2) - Install NEWInstall [2x]
  13. Front Axle Propeller Shaft Bolt (1) - Install and tighten [4x] - Fastener Specifications
  14. GM5247412Courtesy of GENERAL MOTORS COMPANY

    Ensure the front axle propeller shaft slip yoke boot (2) is fully engaged into the groove of the front axle propeller shaft.

  15. Using the DT-35910  Drive Axle Seal Clamp Pliers (1), crimp the front axle propeller shaft slip yoke boot clamp (3) until the gap (a) at the base of the ear is 1.5 mm (0.059 in).
  16. Transfer Case Skid Shield - Install
  17. Remove the support and lower the vehicle.
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