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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 198 (Manual Transmission - TREMEC 6-Speed (M3L Mg9)) >> Repair Instructions - On Vehicle >> Shift Control Assembly Replacement (M3L) >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2017 Cadillac ATS. However, it is still accessible from the selected car via links, so may be relevant.
    NOTE:

    Before installing the shifter, ensure that the shift shaft it is clean of dirt or lubricants.

  1. Install the shift control assembly to the transmission.
  2. Fig 1: Right Side Shift Control Rod Pin Retaining Tab
    GM3631979Courtesy of GENERAL MOTORS COMPANY
  3. Install the right shift control assembly rod pin (1).
  4. Fig 2: Transmission Boss, Shift Control Rod Pin & Retaining Tab
    GM3631969Courtesy of GENERAL MOTORS COMPANY
  5. Install the left shift control assembly rod pin (2).
  6. Fig 3: Shift Linkage Assembly
    GM4257336Courtesy of GENERAL MOTORS COMPANY
  7. Install the shift linkage assembly (2).
  8. Install the shift linkage retaining clips (1).
  9. Fig 4: Transmission Support Fasteners
    GM2243401Courtesy of GENERAL MOTORS COMPANY
  10. Raise the transmission.
  11. CAUTION:

    Refer to Fastener Caution .

  12. Install the 4 transmission support fasteners (2), then tighten to 60 N.m (44 lb ft).
  13. Remove the jack supporting the transmission.
  14. Install the propeller shaft. Refer to Two-Piece Propeller Shaft Replacement (LTG, LGX, LCV) .
  15. Lower the vehicle.
  16. Fig 5: Closeout Boot
    GM4168472Courtesy of GENERAL MOTORS COMPANY
  17. Pull up and outward on the tabs on the closeout boot (1) to clear the body structure.
  18. Fig 6: Shift Control Assembly Fasteners
    GM4802567Courtesy of GENERAL MOTORS COMPANY
  19. Install the 4 fasteners (1) securing the shift control assembly to the tunnel reinforcement, then tighten to 12 N.m (106 lb in)
  20. Install rubber grommet covering alignment hole, if equipped.
  21. Install the foam insulator block to the shift lever area of the floor console.
  22. Install the front floor console trim plate. Refer to Front Floor Console Trim Plate Replacement .