Yep, our manuals do not list a part number, but they do show how to change the steering motor out and, in the images, it shows the spline. You might have a production change car and the newer cars have a spine, can you tell me the production date, (sticker in the door) to confirm the issue? Here are the instructions in the diagrams below to show you what I am talking about. Check out the diagrams (below). Let us know what happens and please upload pictures or videos of the problem.
Images (Click to make bigger)
Sunday, July 3rd, 2022 AT 10:10 AM