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Home >> Cadillac >> 2021 >> XT5 Sport >> Repair and Diagnosis >> External Pages >> Different car >> Section 557 (Automatic Transmission - 9T60 (M3G) Or 9T65 (M3W) - Repair Instructions - On Vehicle) >> Repair Instructions - On Vehicle >> Transmission Replacement (LGX Engine with Front Wheel Drive) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2021 Cadillac XT6. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the battery tray. Battery Tray Replacement
  2. Disconnect the electronic transmission selector manual park release cable from the transmission. Electronic Transmission Range Selector Manual Park Release Cable Replacement 
    GM5187888Courtesy of GENERAL MOTORS COMPANY
  3. Remove the auxiliary water pump bolt (1).
  4. Position the auxiliary water pump (2) out of the way.
    GM4707537Courtesy of GENERAL MOTORS COMPANY
  5. Disconnect the control valve body transmission control module electrical connector (1), then unclip the wiring harness from the cover.
    GM5627037Courtesy of GENERAL MOTORS COMPANY
  6. Engine Wiring Harness Transmission Clip Nut (1) - Remove
  7. Reposition the transmission wiring harness bracket (2) as necessary.
  8. Disconnect the transmission input speed sensor connector (3).
  9. Remove the 2 wiring harness retainers (4) then reposition the harness as necessary.
  10. Drain the transmission fluid. Transmission Fluid Drain and Fill 
  11. Disconnect the transmission fluid cooler outlet pipes from the transmission fluid cooler. Transmission Fluid Cooler Outlet Pipe Replacement (With V08)Transmission Fluid Cooler Outlet Pipe Replacement (Without V08)
  12. Plug and / or cap the pipes and the transmission to prevent contamination.
    GM5191776Courtesy of GENERAL MOTORS COMPANY
  13. Unclip the 4 engine wiring harness retainers (2) from the wiring harness bracket.
  14. Disconnect all the electrical connector (3) from the transmission and position the engine wiring harness out of the way.
  15. Remove the body wiring harness bracket bolt (1).
  16. Remove the wiring harness bracket (5) from the transmission.
  17. Unclip all the remaining engine wiring harness retainers and disconnect all the remaining electrical connectors from the transmission.
    GM4738546Courtesy of GENERAL MOTORS COMPANY
  18. Remove the 3 transmission bolts (1, 2, 3).
  19. Remove the drivetrain and front suspension cradle. Drivetrain and Front Suspension Cradle Removal and Installation
  20. Disconnect the left side front wheel drive half shaft from the transmission. Front Wheel Drive Half Shaft Replacement - Left Side
  21. Disconnect the right side front wheel drive shaft from the transmission. Front Wheel Drive Shaft Replacement - Right Side (FWD with LGX)Front Wheel Drive Shaft Replacement - Right Side (FWD with LSY)
  22. Remove the transmission mount strut bracket from the transmission. Transmission Mount Strut Bracket Replacement (All Wheel Drive) Transmission Mount Strut Bracket Replacement (Front Wheel Drive) 
  23. Remove the starter. Starter Replacement (LGX)Starter Replacement (LSY)
  24. Mark the relationship of the flex plate to the torque converter for reassembly.
    GM5187621Courtesy of GENERAL MOTORS COMPANY
  25. Remove the torque converter bolts (1).
  26. Lower the vehicle.
  27. Install the engine support fixture. Engine Support Fixture
  28. Remove the left side transmission mount to transmission bolts. Transmission Mount Replacement (Left Side) Transmission Mount Replacement (Front) 
  29. Remove the front transmission mount to transmission bolts. Transmission Mount Replacement (Left Side) Transmission Mount Replacement (Front) 
  30. Lower the transmission side with the support fixture to allow clearance for removal.
  31. Raise the vehicle.
  32. Use a transmission jack to support the transmission.
    GM5187922Courtesy of GENERAL MOTORS COMPANY
  33. Remove the 3 transmission bolts (1, 2, 3).
    GM5187932Courtesy of GENERAL MOTORS COMPANY
  34. Remove the 2 transmission bolts (1, 2).
    NOTE:

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

  35. Separate the transmission from the engine.
  36. Lower the transmission with the transmission jack far enough to remove the transmission.
  37. Transfer components as necessary.