Installation Procedure

WARNING: This page is about a different car, the 2020 Buick Regal and 2019 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.

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

NOTE:

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

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Install the main shaft bolt (1).
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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).
Connect the transmission control electrical connector.
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Connect the automatic transmission range selector lever cable terminal (2) to the shift lever pin.
Install the automatic transmission range selector lever cable retainer (1) to the transmission control assembly. Automatic Transmission Range Selector Lever Cable Replacement
Front Floor Console - Install Front Floor Console Replacement .
Release the parking brake.
Range Selector Lever Cable - Adjust - Range Selector Lever Cable Adjustment