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Home >> Chevrolet >> 2021 >> Trailblazer RS, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 6 (Automatic Transmission - VT40 (MRG) - Repair Instructions - On Vehicle) >> Repair Instructions - On Vehicle >> Transmission Replacement (LIH) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different variant/trim than selected.
  1. GM5369641Courtesy of GENERAL MOTORS COMPANY

    Air Cleaner Assembly (1) - Remove - Air Cleaner Assembly Replacement

  2. GM5369644Courtesy of GENERAL MOTORS COMPANY

    Air Cleaner Outlet Rear Duct (2) - Remove - Air Cleaner Outlet Rear Duct Replacement

  3. Transmission Fluid - Drain - Transmission Fluid Drain and Fill (LIH) 
  4. GM5278795Courtesy of GENERAL MOTORS COMPANY

    Battery Tray (3) - Remove - Battery Tray Replacement

  5. Engine Mount Brace - Remove - Engine Mount Brace Replacement (LH) , or Engine Mount Brace Replacement (Rear)
  6. GM5389450Courtesy of GENERAL MOTORS COMPANY

    Automatic Transmission Range Selector Lever Cable Bolt (1) - Remove

  7. Slide the retainer lock (2) forward to expose the cable adjustment retainer (3).
  8. Using a suitable tool, raise the cable adjustment retainer (3) to the unlock position.
  9. Automatic Transmission Range Selector Lever Cable (4) @ Range Selector Lever Cable Lever - Remove
  10. GM5389451Courtesy of GENERAL MOTORS COMPANY

    Wiring Harness Retainer (1) - Unclip

  11. Electrical Connector (2) - Disconnect
  12. GM5389464Courtesy of GENERAL MOTORS COMPANY

    Charge Air Cooler Inlet Air Hose (1) - Remove - Charge Air Cooler Inlet Air Hose Replacement

  13. Transmission Fluid Cooler Inlet Pipe @ Transmission - Remove - Transmission Fluid Cooler Inlet Pipe Replacement (LIH)
  14. Transmission Fluid Cooler Outlet Pipe @ Transmission - Remove - Transmission Fluid Cooler Outlet Pipe Replacement (LIH)
  15. Plug and/or cap the pipes and the transmission to prevent contamination.
  16. GM5373209Courtesy of GENERAL MOTORS COMPANY

    Disconnect the control valve body transmission control module electrical connector (1), then unclip the 5 wiring harness retainers (2).

  17. Position the battery positive cable out of the way.
  18. GM5373210Courtesy of GENERAL MOTORS COMPANY

    Transmission Wiring Harness Bracket Nut (1) - Remove [3x]

  19. Transmission Wiring Harness Bracket (2, 3, 4) - Remove [3x]
  20. GM5389453Courtesy of GENERAL MOTORS COMPANY

    Wiring Harness Retainer (1) - Unclip [2x]

  21. GM5437803Courtesy of GENERAL MOTORS COMPANY

    Retainer (1) - Unclip [3x]

  22. Engine Wiring Harness Bracket Bolt (2) - Remove
  23. Engine Wiring Harness Bracket (3) - Remove
  24. GM5389455Courtesy of GENERAL MOTORS COMPANY

    Transmission Bolt (1) - Remove [2x]

  25. Transmission Wiring Harness Bracket (2) - Remove
  26. Exhaust Front Muffler - Remove - Exhaust Front Muffler Replacement (FWD)
  27. GM5207578Courtesy of GENERAL MOTORS COMPANY

    Drivetrain and Front Suspension Cradle (1) - Remove - Drivetrain and Front Suspension Cradle Removal and Installation (FWD)

  28. Transmission Mount Strut Bracket - Remove - Transmission Mount Strut Bracket Replacement (LIH) 
  29. GM5238915Courtesy of GENERAL MOTORS COMPANY

    Front Wheel Drive Half Shaft - Left Side (1) - Remove - Front Wheel Drive Half Shaft Replacement - Left Side

  30. GM5323751Courtesy of GENERAL MOTORS COMPANY

    Front Wheel Drive Half Shaft - Right Side (1) - Remove - Front Wheel Drive Half Shaft Replacement - Right Side (FWD)

  31. Front Wheel Drive Shaft Heat Shield - Remove - Front Wheel Drive Shaft Heat Shield Replacement (LIH)
  32. GM5383657Courtesy of GENERAL MOTORS COMPANY

    Starter (3) - Remove - Starter Replacement (LIH)

  33. Mark the relationship of the flywheel to the torque converter for reassembly.
  34. GM5389456Courtesy of GENERAL MOTORS COMPANY

    Remove and DISCARD the torque converter bolts (1).

  35. Lower the vehicle.
  36. Engine Support Fixture - Install - Engine Support Fixture
  37. GM5262977Courtesy of GENERAL MOTORS COMPANY

    Transmission Mount (2) - Remove - Transmission Mount Replacement 

  38. Raise the vehicle.
  39. Use a transmission jack in order to support the transmission.
  40. GM5389457Courtesy of GENERAL MOTORS COMPANY

    Transmission Bolt (1) - Remove

  41. GM5389458Courtesy of GENERAL MOTORS COMPANY

    Transmission Bolt (1) - Remove

  42. GM5389459Courtesy of GENERAL MOTORS COMPANY

    Transmission Bolt (1) - Remove [3x]

  43. Transmission Converter Cover (2) - Remove
  44. NOTE:

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

  45. Separate the transmission from the engine.
  46. Lower the transmission with the transmission jack far enough to remove the transmission.
  47. Transfer components as necessary.