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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 85 (Manual Transmission - TREMEC 6-Speed (Mg9 M3L)) >> Repair Instructions - Off Vehicle >> Transmission Case and Clutch Housing Disassemble (MG9) >> Clutch Housing

Clutch Housing

WARNING: This page is about a different car, the 2016 Cadillac ATS. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Identifying 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: Identifying 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: Identifying 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: Identifying 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: Identifying Oil Pump & Oil Pump Cover Assembly
    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: Identifying Plug & Spring
    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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