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Home >> Chevrolet >> 2018 >> Equinox L >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 12 (Automatic Transmission - 9T45 (M3U) Or 9T50 (M3D M3H) - Repair Instructions - On Vehicle) >> Repair Instructions - On Vehicle >> Transmission Replacement (Front Wheel Drive) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different variant/trim than selected.
  1. Disconnect the transmission range select lever cable from the transmission. Refer to Automatic Transmission Range Selector Lever Cable Replacement 
  2. Drain the transmission fluid. Refer to Transmission Fluid Drain and Fill 
  3. Fig 1: Transmission Fluid Cooler Pipes And Nut
    GM4594687Courtesy of GENERAL MOTORS COMPANY
  4. Remove the transmission fluid cooler pipe nut (1) from the transmission.
  5. Remove the transmission fluid cooler pipes (2). Refer to Transmission Fluid Cooler Inlet and Outlet Pipe Replacement (MNH, MHG)Transmission Fluid Cooler Inlet and Outlet Pipe Replacement (M3D, M3H, M3U) .
  6. Fig 2: Control Valve Body Transmission Control Module Electrical Connector
    GM4594706Courtesy of GENERAL MOTORS COMPANY
  7. Disconnect the control valve body transmission control module electrical connector (1), then unclip the wiring harness from the cover.
  8. Remove the body ground cable and wiring harness assembly mounting bolt at front of transmission and position ground cable and harness out of the way.
  9. Plug and/or cap the pipes and the transmission to prevent contamination.
  10. Fig 3: Upper Transmission To Engine Bolts
    GM4495272Courtesy of GENERAL MOTORS COMPANY
  11. Remove the upper transmission to engine bolts (1, 2, 3).
  12. Remove the drivetrain and front suspension cradle. Refer to Drivetrain and Front Suspension Cradle Replacement (Front Wheel Drive)
  13. Disconnect the wheel drive shafts from the transmission. Refer to Front Wheel Drive Half Shaft Replacement - Left Side , and Front Wheel Drive Half Shaft Replacement - Right Side (M3U, MHG, MNH, MNK with FWD)Front Wheel Drive Half Shaft Replacement - Right Side (M3D, M3H with FWD)
  14. Remove the transmission mount strut and transmission mount strut bracket from the transmission. Refer to Transmission Mount Strut Bracket Replacement (Front Wheel Drive) 
  15. Remove the starter. Refer to Starter Replacement (LYX - Front Wheel Drive)Starter Replacement (LTG - Front Wheel Drive)Starter Replacement (LH7 - Front Wheel Drive)
  16. Mark the relationship of the flywheel to the torque converter for reassembly.
  17. Fig 4: Torque Converter To Flywheel Bolts
    GM4316014Courtesy of GENERAL MOTORS COMPANY
  18. Remove the torque converter to flywheel bolts (1).
  19. Remove the auxiliary water pump and bracket from the transmission. Refer to Auxiliary Water Pump Replacement (LYX with KL9)Auxiliary Water Pump Replacement (LH7 Equinox)Auxiliary Water Pump Replacement (LTG with KL9)Auxiliary Water Pump Replacement (LH7 Terrain)
  20. Lower the vehicle.
  21. Install the engine support fixture. Refer to Engine Support Fixture
  22. Remove the left transmission mount to transmission bolts. Refer to Transmission Mount Replacement (Left Side M3U) Transmission Mount Replacement (Left Side M3D/M3H) 
  23. Lower the transmission side with the support fixture to allow clearance for removal.
  24. Unclip the engine wiring harness from the transmission.
  25. Raise the vehicle.
  26. Use a transmission jack in order to support the transmission.
  27. Remove the oil pump flow control valve heat shield, if equipped. Refer to Oil Pump Flow Control Valve Heat Shield Replacement
  28. Remove the three way catalytic converter. Refer to Warm Up Three-Way Catalytic Converter Replacement (LYX)Warm Up Three-Way Catalytic Converter Replacement (LTG)
  29. Fig 5: Front Transmission To Engine Bolts
    GM4495364Courtesy of GENERAL MOTORS COMPANY
  30. Remove the front transmission to engine bolts (1, 2, 3).
  31. Fig 6: Lower Transmission Fasteners
    GM4495326Courtesy of GENERAL MOTORS COMPANY
  32. Remove the lower transmission fasteners (1, 2).
  33. NOTE:

    Ensure the torque converter remains securely in place on the transmission input shaft while separating and removing the transmission.

  34. Separate the transmission from the engine.
  35. Lower the transmission with the transmission jack far enough to remove the transmission.
  36. Transfer components as necessary.
  37. Flush and flow test the transmission oil cooler and lines. Refer to Transmission Fluid Cooler Flow Test and Flushing