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Home >> Cadillac >> 2021 >> CT4 Sport, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 250 (Manual Transmission - TREMEC 6-Speed (MJK)) >> Repair Instructions - On Vehicle >> Main Shaft Rear Seal Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2022 Cadillac CT5. However, it is still accessible from the selected car via links, so may be relevant.
  1. Place the transmission in neutral.
  2. GM5863694Courtesy of GENERAL MOTORS COMPANY

    Mark (2) the relationship of the propeller shaft flange (3) and the output flange (1) of the transmission.

  3. Propeller Shaft - Remove - Propeller Shaft Replacement (without LT4)Propeller Shaft Replacement (with LT4, MJK)Propeller Shaft Replacement (with LT4, MHX)Propeller Shaft Replacement (AWD)
  4. GM4055391Courtesy of GENERAL MOTORS COMPANY

    Install the DT-45012  Holding Fixture (4) to the propeller shaft transmission yoke (3).

  5. While holding the DT-45012  Holding Fixture (4), remove the propeller shaft transmission yoke nut (1) with appropriate socket.
  6. Remove the DT-45012  Holding Fixture (4).
  7. Remove the propeller shaft transmission yoke washer (2).
  8. GM4055392Courtesy of GENERAL MOTORS COMPANY

    Using the DT-45019  Flange And Pinion Gauge Remover (2), remove the propeller shaft transmission yoke (1).

  9. GM5868121Courtesy of GENERAL MOTORS COMPANY

    Use the GE-6125-1B  Slide Hammer with Adaptor and J-23129  Universal Seal Remover to remove and DISCARD the main shaft rear seal (1).