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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 (L3T) >> Installation Procedure

Installation Procedure

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  1. Install the transmission to the engine.
  2. GM5450002Courtesy of GENERAL MOTORS COMPANY

    Transmission Converter Cover (2) - Install

  3. Transmission Bolt (1) - Install and tighten [3x] 58 N.m (43 lb ft)
  4. GM5148975Courtesy of GENERAL MOTORS COMPANY

    Transmission Bolt (1) - Install and tighten 58 N.m (43 lb ft)

  5. GM5148971Courtesy of GENERAL MOTORS COMPANY

    Transmission Bolt (1) - Install and tighten 58 N.m (43 lb ft)

  6. Align the mark of the flywheel to the mark on the torque converter for reassembly.
  7. GM5450001Courtesy of GENERAL MOTORS COMPANY

    Torque Converter Bolt (1) - Install NEW and tighten [3x] 60 N.m (44 lb ft)

  8. Starter - Install - Starter Replacement (L3T)
  9. GM5450000Courtesy of GENERAL MOTORS COMPANY

    Transmission Bolt (1) - Install and tighten [2x] 58 N.m (43 lb ft)

  10. GM5449994Courtesy of GENERAL MOTORS COMPANY

    Heater Outlet Pipe (1) - Install - Heater Outlet Pipe Replacement

  11. GM5449999Courtesy of GENERAL MOTORS COMPANY

    Automatic Transmission Fluid Cooling Exchanger (2) - Install

  12. Automatic Transmission Fluid Cooling Exchanger Bolt (1) - Install and tighten [3x] 9 N.m (80 lb in)
  13. GM5449998Courtesy of GENERAL MOTORS COMPANY

    Transmission Wiring Harness Bracket (2, 3, 4) - Install [3x]

  14. Transmission Wiring Harness Bracket Nut (1) - Install and tighten [3x] 9 N.m (80 lb in)
  15. GM5449997Courtesy of GENERAL MOTORS COMPANY

    Connect the control valve body transmission control module electrical connector (1), then clip the wiring harness retainer (2).

  16. GM5449996Courtesy of GENERAL MOTORS COMPANY

    Connect the electrical connector (3).

  17. Clip the transmission vent hose retainer (1) and the wiring harness retainer (2).
  18. Install the powertrain assembly to the vehicle and then install the related parts. Engine Replacement
  19. Range Selector Lever Cable - Adjust - Range Selector Lever Cable Adjustment 
  20. Transmission Fluid - Fill - Transmission Fluid Drain and Fill (L3T) 
  21. After repairs, refer to Control Module References for programming and set up procedures.
  22. Perform the solenoid valve characterization programming procedure. Q77 Transmission Control Solenoid Valve Characterization Programming (VT40)
  23. Road test the vehicle.