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Home >> Chevrolet >> 2021 >> Blazer L >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission - 9T50 (M3D), 9T60 (M3T) Or 9T65 (M3V) - Repair Instructions - On Vehicle >> Repair Instructions - On Vehicle >> Transmission Control Replacement (Without Base) >> Installation Procedure

Installation Procedure

  1. Position the transmission control assembly to the transmission control base.
  2. GM4489344Courtesy of GENERAL MOTORS COMPANY

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

  3. NOTE:

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

  4. GM4489340Courtesy of GENERAL MOTORS COMPANY

    Install the main shaft bolt (1).

  5. GM4489334Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Refer to 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 nut and washer (1) to the control assembly and tighten to 7 N.m (62 lb in).

  6. Connect the transmission control electrical connector.
  7. GM4197275Courtesy of GENERAL MOTORS COMPANY

    Connect the transmission range selector lever cable terminal (2) to the shift lever pin.

  8. WARNING:

    After installing the transmission range selector shift cable, pull up and push down on ALL connections to verify that the connections are fully seated and properly engaged. Failure to perform this task can result in the vehicle not being able to shift into PARK causing potential vehicle damage and bodily injury.

  9. Install the transmission range selector lever cable retainer (1) to the transmission control assembly.
  10. Install the front floor console. Front Floor Lower Console Replacement .
  11. Release the park brake.
  12. Adjust the automatic transmission range selector lever cable. Range Selector Lever Cable Adjustment