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Home >> Chevrolet >> 2021 >> Blazer L >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission - 9T50 (M3D), 9T60 (M3T) Or 9T65 (M3V) - Repair Instructions - On Vehicle >> Repair Instructions - On Vehicle >> Transmission Replacement (All Wheel Drive) >> Removal Procedure

Removal Procedure

  1. Remove the battery tray. Battery Tray Replacement
  2. Disconnect the transmission range select lever cable from the transmission. Automatic Transmission Range Selector Lever Cable Replacement 
  3. GM4738922Courtesy of GENERAL MOTORS COMPANY

    Remove the heater water auxiliary pump bolt (1).

  4. Position the heater water auxiliary pump (2) out of the way.
  5. GM5627689Courtesy of GENERAL MOTORS COMPANY

    Disconnect the auxiliary fluid accumulator electrical connector (1).

  6. Remove the body wiring harness bracket bolt (2).
  7. Reposition the body wiring harness bracket with wiring harness (3) as necessary.
  8. GM5627690Courtesy of GENERAL MOTORS COMPANY

    Engine Wiring Harness Transmission Clip Nut (1) Remove

  9. Reposition the engine wiring harness bracket (2) as necessary.
  10. GM4707537Courtesy of GENERAL MOTORS COMPANY

    Disconnect the control valve body transmission control module electrical connector (1), then unclip the wiring harness from the cover.

  11. Drain the transmission fluid. Transmission Fluid Drain and Fill 
  12. GM5627710Courtesy of GENERAL MOTORS COMPANY

    Remove the wiring harness retainer (2) and reposition the wiring harness as necessary.

  13. Disconnect the transmission output speed sensor connector (1).
  14. GM4707558Courtesy of GENERAL MOTORS COMPANY

    Disconnect the transmission fluid cooler outlet pipe (1, 2) from the transmission cooler bypass. Transmission Fluid Cooler Pipe Replacement (LGX, with V08)

  15. Plug and/or cap the pipes and the transmission to prevent contamination.
  16. GM4738546Courtesy of GENERAL MOTORS COMPANY

    Remove the upper transmission to engine bolts (1, 2, 3).

  17. Remove the drivetrain and front suspension cradle. Drivetrain and Front Suspension Cradle Removal and Installation (AWD)
  18. Disconnect the wheel drive shaft from the transmission. Front Wheel Drive Half Shaft Replacement - Left Side
  19. Remove the power transfer unit from the vehicle. Power Transfer Unit Case Replacement
  20. Remove the starter. Starter Replacement (LGX) , or Starter Replacement (LSY)
  21. Mark the relationship of the flex plate to the torque converter for reassembly.
  22. GM5627782Courtesy of GENERAL MOTORS COMPANY

    Remove the torque converter bolts (1).

  23. Lower the vehicle.
  24. Install the engine support fixture. Engine Support Fixture
  25. Remove the left transmission mount to transmission bolts. Transmission Mount Replacement (Left) 
  26. Remove the front transmission mount to transmission bolts. Transmission Front Mount Replacement 
  27. Lower the transmission side with the support fixture to allow clearance for removal.
  28. Unclip the engine wiring harness from the transmission.
  29. Raise the vehicle.
  30. Use a transmission jack in order to support the transmission.
  31. GM5627811Courtesy of GENERAL MOTORS COMPANY

    Remove the front transmission to engine bolts (1).

  32. GM4738489Courtesy of GENERAL MOTORS COMPANY

    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.