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Home >> GMC >> 2016 >> Terrain SL, Gas >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 7 (Automatic Transmission - 6T70 (M7U M7W) - Repair Instructions - On Vehicle) >> Repair Instructions - On Vehicle >> Transmission Replacement (AWD) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different variant/trim than selected.
  1. Remove the battery tray. Refer to Battery Tray Replacement .
  2. Remove the transmission range select lever cable and bracket.
  3. Drain the transmission fluid. Refer to Transmission Fluid Drain and Fill .
    4. Fig 1: Wire Harness Retainer And TCM Electrical Connector
    GM1831034Courtesy of GENERAL MOTORS COMPANY
  4. Remove the wire harness retainer (2) from the control valve body cover stud.
  5. Disconnect the control valve body transmission control module (TCM) electrical connector (1).
    6. Fig 2: Identifying Transmission Fluid Cooler Inlet Hose & Seal With Pipe Retainer Nut
    GM1809052Courtesy of GENERAL MOTORS COMPANY
  6. Remove the transmission fluid cooler pipe retainer nut (1).
  7. Remove the transmission fluid cooler inlet hose and seal (2) from the transmission.
  8. Plug and/or cap the hose and transmission to prevent contamination.
    9. Fig 3: Identifying Transmission Fluid Cooler Pipe Components
    GM1809053Courtesy of GENERAL MOTORS COMPANY
  9. Remove the transmission fluid cooler pipe retainer nut (1).
  10. Remove the transmission fluid cooler outlet hose and seal (2) from the transmission.
  11. Plug and/or cap the hose and transmission to prevent contamination.
  12. Disconnect both pipes from the retainer.
  13. Install the engine support fixture. Refer to Engine Support Fixture .
  14. Remove the right catalytic converter and pipe assembly. Refer to Catalytic Converter Replacement - Right Side (LFX) .
  15. Use a transmission jack in order to support the transmission.
  16. Remove the rear transmission mount from the transmission. Refer to Transmission Rear Mount Replacement .
  17. Remove the front transmission mount from the transmission. Refer to Transmission Front Mount Replacement .
  18. Remove the left transmission mount from the transmission. Refer to Transmission Mount Replacement - Left Side .
    19. Fig 4: Identifying Upper Transmission And Engine Bolts
    GM1831026Courtesy of GENERAL MOTORS COMPANY
  19. Remove the upper transmission to engine bolts (1, 2).
  20. Remove the frame. Refer to Drivetrain and Front Suspension Frame Replacement .
  21. Disconnect the wheel drive shafts from the transmission and transfer case. Refer to Front Wheel Drive Shaft Replacement .
  22. Remove the transfer case from the transmission. Refer to Transfer Case Assembly Replacement .
    23. Fig 5: Identifying Starter
    GM1831212Courtesy of GENERAL MOTORS COMPANY
  23. Remove the starter. Refer to Starter Replacement (LEA)Starter Replacement (LFX) .
  24. Mark the relationship of the flywheel to the torque converter for reassembly.
  25. Remove the torque converter to flywheel bolts.
    26. Fig 6: Identifying Transmission Bolts
    GM1831024Courtesy of GENERAL MOTORS COMPANY
  26. Remove the flywheel inspection cover bolts (2, 3).
  27. Remove the flywheel inspection cover (1).
  28. Remove the remaining transmission bolts (4).
    29. NOTE:

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

  29. Separate the transmission from the engine.
  30. Lower the transmission with the transmission jack far enough to remove the transmission.
  31. Flush and flow test the transmission oil cooler and lines. Refer to Transmission Fluid Cooler Flushing and Flow Test .
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