Tesla Model S: Steering Rack (RWD) (Remove and Replace) - Installation

Installation

1. Installation procedure is the reverse of removal, except for the following: Caution: Replace all nylon-insert locknuts. Caution: Replace all Patchbolt(s). Note: The LH and RH subframe braces are not interchangeable.
2. Remove the protective caps from the tie rods of the new steering rack to ensure that there is no damage to the threads, then reinstall the protective caps.
3. Turn the input shaft of the new steering rack completely clockwise.
4. If the tie rod end positions were paint-marked earlier, transfer the paint marks to the new steering rack.
5. Reinstall the steering rack.
6. Install the subframe braces from the underhood area, but do not install the mounting bolts yet.
7. Raise the vehicle.
8. Confirm the proper position of the subframe braces. The rear portion of the brace is positioned between the subframe and side rail, and the front portion is positioned between the bolt head and the sway bar bracket.

   

9. Loosely install the sway bar bolts and rear subframe bolts.
10. Install the upper bolts (x2) that secure the LH and RH subframe braces to the subframe (torque 26 Nm).

    

11. Fully tighten the sway bar bolts and rear subframe bolts.
12. Install the tie rod ends using the same number of turns that were recorded during removal.
13. Ensure that the front road wheels are in a straight ahead position before reconnecting the lower intermediate shaft.
14. Transfer the vehicle to a 4 post lift (refer to procedure).
15. Perform a wheel alignment check (refer to procedure).
16. Perform a full firmware update.
17. Run the "Power Steering (EPAS) Control" procedure in Toolbox.

Note: After recalibrating the power steering, drive the vehicle for a minimum of 5 minutes before returning the vehicle to the customer.

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