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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 - Off Vehicle >> Transmission Case and Clutch Housing Disassemble (MG9) >> Clutch Housing

Clutch Housing

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.
    Fig 1: Vent Assembly, Pump Outlet Cooler Fitting With O-Ring & Transmission Fluid Pump Outlet Pipe Fitting
    GM2102257Courtesy of GENERAL MOTORS COMPANY
  1. Remove the vent assembly (1).
  2. Remove the pump outlet cooler fitting with o-ring (2).
  3. Remove the transmission fluid pump outlet pipe fitting (3).
    4. Fig 2: Input Shaft Bearing Race & Shim
    GM2102258Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    There may be one or more shims.

  4. Remove the input shaft bearing race (1) and one or more shims (2).
    5. Fig 3: Countershaft Bearing Race & Shim
    GM2102259Courtesy of GENERAL MOTORS COMPANY
  5. Remove the countershaft bearing race (1) and one or more the shims (2).
    6. Fig 4: Input Shaft Seal
    GM2102260Courtesy of GENERAL MOTORS COMPANY
  6. Remove and discard the input shaft seal (1).
    7. Fig 5: Removing 1st/2nd Shift Shaft Bearing
    GM2102262Courtesy of GENERAL MOTORS COMPANY
  7. Remove the 1st/2nd shift shaft bearing, using the J 45124  removal bridge (1) with the DT 49216  bushing remover (2) and a wrench.
    8. Fig 6: Removing 3rd/4th Shift Shaft Bushing
    GM2102263Courtesy of GENERAL MOTORS COMPANY
  8. Remove the 3rd/4th shift shaft bushing, using the J 23907-1  slide hammer (1) with the J 39439-2  bushing remover (2).
    9. Fig 7: Oil Pump, Oil Pump Cover Assembly And Retainer Ring
    GM1938423Courtesy of GENERAL MOTORS COMPANY
  9. Remove the retainer ring (1).
  10. Remove the oil pump cover assembly (2).
    11. NOTE:

    Remove and DISCARD the pump.

  11. Remove the oil pump (3).
    12. Fig 8: Transmission Fluid Pump Spring Retaining Plug, Spring & Check Ball
    GM1938426Courtesy of GENERAL MOTORS COMPANY
  12. Remove the transmission fluid pump spring retaining plug (1).
  13. Remove the transmission fluid pump spring (2).
  14. Remove the transmission fluid pump check ball (3).
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