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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 (All Wheel Drive) >> Installation Procedure

Installation Procedure

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  1. Raise the transmission with the transmission jack and position the transmission to the engine.
  2. Fig 1: Front Transmission To Engine Bolts
    GM4495364Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Refer to Fastener Caution .

  3. Install the transmission bolts (1, 2, 3) and tighten to 58 N.m (43 lb ft).
  4. Fig 2: Lower Transmission Fasteners
    GM4495326Courtesy of GENERAL MOTORS COMPANY
  5. Install the front transmission to engine bolt (1, 2) and tighten to 58 N.m (43 lb ft).
  6. Install the oil pump flow control valve heat shield. Refer to Oil Pump Flow Control Valve Heat Shield Replacement
  7. Remove the transmission jack.
  8. Align the mark of the flywheel to the mark on the torque converter for reassembly.
  9. Fig 3: Torque Converter To Flywheel Bolts
    GM4316014Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    If reusing the torque converter bolts, clean the threads and apply threadlocker to the threads prior to installation. Refer to Adhesives, Fluids, Lubricants, and Sealers

  10. Install the torque converter to flywheel bolts (1) and tighten to 60 N.m (44 lb ft).
  11. Install the starter. Refer to Starter Replacement (LYX - All Wheel Drive)Starter Replacement (LTG - All Wheel Drive)Starter Replacement (LH7 - All Wheel Drive)
  12. Install the left transmission mount to the transmission. Refer to Transmission Mount Replacement (Left Side M3U) Transmission Mount Replacement (Left Side M3D/M3H) 
  13. Install the wheel drive shafts to the transmission. Refer to Front Wheel Drive Half Shaft Replacement - Left Side , and Front Wheel Drive Half Shaft Replacement - Right Side (AWD)
  14. Install the power transfer unit case. Refer to Power Transfer Unit Case Replacement (MNH Transmission with LYX Engine)Power Transfer Unit Case Replacement (M3D Transmission with LTG Engine)Power Transfer Unit Case Replacement (MHG Transmission with LH7 Engine)
  15. Install the drivetrain and front suspension cradle. Refer to Drivetrain and Front Suspension Cradle Replacement (All Wheel Drive)
  16. Install the transmission mount strut bracket to the transmission. Refer to Transmission Mount Strut Bracket Replacement (All Wheel Drive) 
  17. Remove the engine support fixture. Refer to Engine Support Fixture
  18. Fig 4: Upper Transmission To Engine Bolts
    GM4495272Courtesy of GENERAL MOTORS COMPANY
  19. Install the upper transmission to engine bolts (1, 2, 3) and tighten to 58 N.m (43 lb ft).
  20. Fig 5: Control Valve Body Transmission Control Module Electrical Connector
    GM4594706Courtesy of GENERAL MOTORS COMPANY
  21. Connect the control valve body transmission control module electrical connector (1), then clip the wiring harness to the cover.
  22. Fig 6: Transmission Fluid Cooler Pipes And Nut
    GM4594687Courtesy of GENERAL MOTORS COMPANY
  23. Install the transmission fluid cooler outlet pipes (2) to the transmission. Refer to Transmission Fluid Cooler Inlet and Outlet Pipe Replacement (MNH, MHG)Transmission Fluid Cooler Inlet and Outlet Pipe Replacement (M3D, M3H, M3U)
  24. Install the transmission fluid cooler inlet pipe nut (1) to the transmission and tighten to 9 N.m (80 lb in).
  25. Clip the engine wiring harness to the transmission.
  26. Install the transmission range select lever cable to the transmission. Refer to Automatic Transmission Range Selector Lever Cable Replacement 
  27. Adjust the automatic transmission range selector lever cable. Refer to Transmission Fluid Drain and Fill 
  28. Fill the transmission with fluid. Refer to Transmission Fluid Drain and Fill 
  29. If a NEW TCM has been installed into the vehicle, the NEW module needs to be reprogrammed. Refer to Service Programming System (SPS)
  30. NOTE:

    The Transmission Adaptive Values Learn procedure must be performed when one of the following repairs have been made to the vehicle. Failure to perform the procedure after one of the following repairs may result in poor transmission performance, as well as transmission DTCs being set:

    • Transmission internal service/overhaul
    • Valve body repair or replacement
    • Control solenoid valve assembly replacement
    • TCM software/calibration update
    • Any service in response to a shift quality concern
  31. Perform the Transmission Service Fast Learn procedure. Refer to Transmission Service Fast Learn Procedure 
  32. Reprogram the transmission. Refer to Solenoid Valve Characterization Reprogramming
  33. Road test the vehicle.