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Home >> Tesla >> 2021 >> Model Y Performance >> Repair and Diagnosis >> Steering >> Steering Control Systems >> Steering -- Model Y >> Steering Rack And Lower Column >> Steering Rack (Dual Motor) - Remove And Replace >> Install

Steering Rack (Dual Motor) - Remove And Replace: Install

  1. Loosen the jamp nut to the LH and Rh tie rod ends on the new steering gear assembly

    Tip:

    Use of the following tool(s) is recommended:

    • 21 mm combination wrench
    • 14 mm combination wrench
    G14840956Courtesy of TESLA, INC.
  2. With an assistance, remove the LH outer tie rod end from the new steering gear assembly, and fully disperse pressure of steering rack to the RH side.
    NOTE: Turn tie rod counter clockwise. Use a wrench on shaft to assist with dispersing pressure.
  3. Install the new steering gear assembly into the vehicle.
    NOTE: Install the steering gear assembly through the underhood storage unit opening. Install the RH side of the steering gear assembly into frunk area first, and then slide the LH side of the steering gear assembly into the vehicle.
    multimedia:A supplement to the article is available.
    G14840958Courtesy of TESLA, INC.
    G00649862Courtesy of TESLA, INC.
    G00649878Courtesy of TESLA, INC.
  4. Loosely install the outer bolts (x2) that attacht the steering gear assembly to the front subframe.
    NOTE: Torque at a later step.
    G14840960Courtesy of TESLA, INC.
  5. Install the inner bolt (x2) that attach the steering gear assembly to the front subframe.

    75 N.m (55.3 lbs-ft) 

    Tip:

    Use of the following tool(s) is recommended:

    • Cordless Ratchet/Impact Driver
    • 18 mm socket
    • 6 in extension
    • Universal Joint 3/8 in
    • Flex head ratchet/flex head torque wrench
    G14840959Courtesy of TESLA, INC.
  6. Torque the outer bolts (x2) that attach the steering gear assembly to the front subframe.

    47 N.m (34.7 lbs-ft) 

    NOTE: Use of the following tool(s) is recommended:
    NOTE: 15 mm socket
    NOTE: Cordless Ratchet/Impact Driver
    NOTE: 6 in extension
    NOTE: Flex head ratchet/flex head torque wrench
    G14840960Courtesy of TESLA, INC.
  7. Decompress the LH tie rod end from the steering gear, and verify both the LH and RH tie rod ends are evenly distributed as possible.
    NOTE: Turn the shaft counter-clockwise with an open-ended wrench, and check the boots are roughly same distance out from the rack.
  8. Slide the intermediate shaft assembly downward to install it to the steering gear assembly.
    NOTE: Ensure the intermediate shaft is aligned and fully seated. If necessary, align the shaft to the steering gear.
  9. Install the bolt that attaches the steering gear assembly to the intermediate shaft assembly

    18 N.m (13.3 lbs-ft) 

    Tip:

    Use of the following tool(s) is recommended:

    • Cordless Ratchet/Impact Driver
    • 13 mm socket
    • 6 in extension
    • Flex head ratchet/flex head torque wrench
      G00651179Courtesy of TESLA, INC.
  10. Connect the main front harness connector to the LH front rail bracket, and then engage the locking tab.
    G00649854Courtesy of TESLA, INC.
  11. Install the front harness clip on the LH side of the front subframe.
    G00649850Courtesy of TESLA, INC.
  12. Connect the logic connectors below the steering gear.
    G00649854Courtesy of TESLA, INC.
  13. Connect the steering gear assembly connectors.
    G14840962Courtesy of TESLA, INC.
  14. Release the bungee card to place the radiator assembly back to the normal position.
  15. With an assistance, install the LH bolt, install and torque the RH bolts, and then torque the LH bolt that attach the cooling fan module assembly to the front end carrier

    10 N.m (7.4 lbs-ft) 

    NOTE: Use bungee cord to lift the radiator away from the steering gear to gain clearance for removal and installation.

    Tip:

    Use of the following tool(s) is recommended:

    • Cordless Ratchet/Impact Driver
    • 13 mm socket
    • 6 in extension
    • Flex head ratchet/flex head torque wrench
      G00649850Courtesy of TESLA, INC.
  16. Raise the vehicle to a comfortable working height, and lower the lift onto locks.
    CAUTION: Make sure there is an audible click of the locks on both sides before lowering, otherwise the vehicle may tilt to one side.
    CAUTION: Make sure the doors are clear of surrounding objects.
  17. Install the LH and RH tie rod ends. See Tie Rod End - LH - Remove And Replace 
    NOTE: Do not remove the jamb nut on the RH outer tie rod end. It is not needed for removing the steering rack assembly.
  18. Lower the vehicle to a comfortable working height and set the lift onto locks.
  19. Install the LH and RH front wheels. See WHEEL - REMOVE AND INSTALL
  20. Connect the LV power. See 12 V/LV POWER - DISCONNECT AND CONNECT
    NOTE: Do not install the rear underhood apron at this step.
  21. Install the HEPA filter assembly. See ASSEMBLY - FILTER - HEPA - REMOVE AND REPLACE
  22. Install the underhood storage unit. See UNDERHOOD STORAGE UNIT - REMOVE AND REPLACE
  23. Remove the steering wheel holder and the steering wheel level from the vehicle.
  24. Reinstall the vehicle firmware. See SOFTWARE REINSTALL - TOUCHSCREEN
  25. Raise the LH front window and close the LH front door.
  26. Remove the vehicle from the lift.
  27. Refer to the Alignment Requirement tables to determine whether an EPAS alignment check (EC) or four wheel alignment check (AC) is necessary. If performed, added the alignment check/adjust as a separate activity. See ALIGNMENT REQUIREMENT - SUSPENSION
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