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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 Control Replacement (Without Base) >> Installation Procedure

Installation Procedure

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  1. Position the transmission control assembly to the transmission control base.
  2. GM5206887Courtesy of GENERAL MOTORS COMPANY

    Push the transmission control assembly (1) downward and forward to seat it to the transmission control base.

  3. GM5206886Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Ensure the flats of the bolt align with the transmission control assembly flat points inside the base before tightening the nut.

    Install the main shaft bolt (1).

  4. GM5206885Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Fastener Caution .

    NOTE:

    When installing the transmission control main shaft bolt, the face of the bolt must be held in the slot of the mounting bracket as the nut is torqued to ensure it remains seated and doesn't rotate out of the slot. Failure to perform this task can result in a loose shifter feel, squeaks & rattles, or excessive cross car lash resulting in a customer's poor perceived quality of the system.

    Install the main shaft bolt nut and washer (1) to the transmission control assembly and tighten to 7 N.m (62 lb in).

  5. Connect the transmission control electrical connector.
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  8. Release the park brake.
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