23/07/2024 17:33:34

Rear Steering Gear and Lower Column - Rear Steering Actuator (Remove and Replace)

Correction code 3201099022 FRT 1.14 NOTE: Unless otherwise explicitly stated in the procedure, the above correction code and FRT reflect all of the work required to perform this procedure, including the linked procedures. Do not stack correction codes unless explicitly told to do so. NOTE: See Flat Rate Times to learn more about FRTs and how they are created. To provide feedback on FRT values, email LaborTimeFeedback@tesla.com. NOTE: See Personal Protection to make sure wearing proper PPE when performing the below procedure.

  • 2024-03-27: Added steps to remove rear toe link and steps to load suspension to ride height during install.
Warning IconA warning icon, calling your attention to a possibly risky situation
Warning
This procedure is a DRAFT, although it has been validated. Warnings and Cautions might be missing. Follow safety requirements and use extreme caution when working on or near high voltage systems and components. Provide corrections and feedback to ServiceDevelopment@teslamotors.com.

Remove

  1. Open the LH front door and lower the LH front window.
  2. On the vehicle touchscreen, navigate to UI > Controls > Suspension > 'Medium to set the air suspension ride height to “Medium”.
  3. Raise and support the vehicle. See Raise Vehicle - 2 Post Lift.
  4. Place the vehicle into Service Mode. See Service Mode.
  5. Open the tonneau cover.
  6. Open the tailgate.
  7. Remove the rear underhood apron. See Underhood Trim - Rear Apron Assembly (Remove and Install).
  8. Disconnect MV power. See Disconnect MV Power.
  9. Remove the bed floor assembly. See Truck Bed - Bed Floor Assembly (Remove and Install).
  10. Release the Pressurize Pack air line from the ancillary.
    Informational PurposesAn informational icon, calling your attention
    Note
    x1 connector
    Warning IconA warning icon, calling your attention to a possibly risky situation
    CAUTION
    Do not release air line to the reservoir. Rapid loss of pressure will result if the wrong air line is released.
  11. Remove the VOSS fitting from the Pressurize Pack air line to the ancillary.
    Informational PurposesAn informational icon, calling your attention
    Note
    Slide the threaded section back, remove the collet, and then slide the threaded section off of air line. Discard after removal.
  12. Release the connector lock and disconnect the electrical connector, remove the bolt that attaches the Pressurize Pack valve block to the air suspension reservoir, and then release the clip and remove the zip tie.
    5 Nm (3.7 lbs-ft)
    Tip: Use of the following tool(s) is recommended:
    • 10 mm socket
    Informational PurposesAn informational icon, calling your attention
    Note
    Cut the zip tie at the reservoir/ancillary air line bundle.
    Informational PurposesAn informational icon, calling your attention
    Note
    Release the harness clip at the bracket.
  13. Release the rubber grommets (x3), and then release the air suspension valve block from the bracket.
    Informational PurposesAn informational icon, calling your attention
    Note
    Rotate clockwise until the top 2 rubber feet have released from the bracket. Pull upwards at a 45 degree angle to release the bottom rubber foot from the bracket.
    Informational PurposesAn informational icon, calling your attention
    Note
    Leave all air lines and connections secured, and then set the assembly aside.
  14. Remove the nuts (x2) that attach the air suspension reservoir to the body, and then release the fir tree clips (x2).
    33 Nm (24.3 lbs-ft)
    Tip: Use of the following tool(s) is recommended:
    • 13 mm socket
  15. Put the air suspension reservoir in service position.
    Informational PurposesAn informational icon, calling your attention
    Note
    Raise and swing the air suspension reservoir to the side of the bed.
  16. Remove the LH and RH rear wheels. See Wheel Assembly (Remove and Install).
  17. Remove the bolt that attaches the LH rear toe link to the rear steering actuator. Repeat this step for the RH side of the vehicle.
    145 Nm (106.9 lbs-ft)
    Tip: Use of the following tool(s) is recommended:
    • 18 mm combination wrench
    Figure 1. LH shown; RH similar
  18. Remove and discard the nut that attaches the LH rear toe link to the LH rear knuckle, and then remove the toe link from the vehicle. Repeat this step for the RH side of the vehicle.
    210 Nm (154.9 lbs-ft)
    Informational PurposesAn informational icon, calling your attention
    Note
    Counter hold the ball joint while removing the nut.
    Tip: Use of the following tool(s) is recommended:
    • 21 mm socket
    Figure 2. LH shown; RH similar
  19. Partially lower vehicle.
  20. Release the connector lock and disconnect the rear steering actuator electrical connector, and then release harness clip.
    Informational PurposesAn informational icon, calling your attention
    Note
    Place the harness aside for access.
  21. Remove the bolts (x2) that attach the RH side of rear steering actuator to the rear subframe.
    120 Nm (88.5 lbs-ft)
    Tip: Use of the following tool(s) is recommended:
    • 18 mm socket
  22. Remove the bolts (x2) that attach the LH side of the rear steering actuator to the rear subframe.
    120 Nm (88.5 lbs-ft)
    Tip: Use of the following tool(s) is recommended:
    • 18 mm socket
  23. Remove the rear steering actuator from the vehicle.
    Informational PurposesAn informational icon, calling your attention
    Note
    Rotate the rear steering actuator onto its side, and then pivot to the LH side to release the actuator out from the rear subframe.
    Warning IconA warning icon, calling your attention to a possibly risky situation
    CAUTION
    Use caution when removing the rear steering actuator from the rear subframe. Avoid damaging any HV cable, body harness, or ride height sensor.

Install

  1. Position the rear steering actuator into the vehicle for installation.
    Informational PurposesAn informational icon, calling your attention
    Note
    Rotate the rear steering actuator to its side. Insert the RH side of the steering actuator to position onto the rear subframe.
    Warning IconA warning icon, calling your attention to a possibly risky situation
    CAUTION
    Use caution when installing the rear steering actuator to rear subframe. Avoid damaging any HV cable, body harness, or ride height sensor.
  2. Install the bolts (x2) that attach the LH side of the rear steering actuator to the rear subframe.
    120 Nm (88.5 lbs-ft)
    Tip: Use of the following tool(s) is recommended:
    • 18 mm socket
  3. Install the bolts (x2) that attach the RH side of the rear steering actuator to the rear subframe.
    120 Nm (88.5 lbs-ft)
    Tip: Use of the following tool(s) is recommended:
    • 18 mm socket
  4. Connect the rear steering actuator electrical connector and secure the connector lock, and then install the harness clip.
  5. Install the LH and RH rear wheels. See Wheel Assembly (Remove and Install).
  6. Install the LH and RH rear wheel caps. See Wheel Cover - Front - LH (Remove and Install).
  7. Put the air suspension reservoir into position for installation.
  8. Install the nuts (x2) that attach the air suspension reservoir to the vehicle, and then install the fir tree clips (x2).
    33 Nm (24.3 lbs-ft)
    Tip: Use of the following tool(s) is recommended:
    • 13 mm socket
  9. Secure the air suspension valve block.
    Informational PurposesAn informational icon, calling your attention
    Note
    x3 rubber grommets
    Informational PurposesAn informational icon, calling your attention
    Note
    Rotate counterclockwise until the top 2 rubber feet are secured onto the bracket. Push downwards at a 45 degree angle to secure the bottom rubber foot into bracket.
    Informational PurposesAn informational icon, calling your attention
    Note
    Position air lines and connections into place for installation.
  10. Install a new VOSS air fitting to the Pressurize Pack valve block at the ANC circuit.
    8 Nm (5.9 lbs-ft)
    Tip: Use of the following tool(s) is recommended:
    • 12 mm socket
    Informational PurposesAn informational icon, calling your attention
    Note
    Do not remove the VOSS plastic plug until the Pressurize Pack line install.
  11. Secure the Pressurize Pack air line from the ancillary to the valve block.
    Informational PurposesAn informational icon, calling your attention
    Note
    Remove the plastic cap from the VOSS fittings. Press the air lines into the fitting until the mark aligns with the top of the fitting. Verify the line is properly secured by performing a push-pull test.
  12. Connect the electrical connector and secure the connector lock, install the bolt that attaches the Pressurize Pack valve block to the air suspension reservoir, and then install the clip and new zip tie.
    5 Nm (3.7 lbs-ft)
    Tip: Use of the following tool(s) is recommended:
    • 10 mm socket
    Informational PurposesAn informational icon, calling your attention
    Note
    Secure the air reservoir and ancillary air lines at the white marked sections.
  13. Reconnect MV power. See Disconnect MV Power.
  14. Reinstall the vehicle software using the vehicle touchscreen. See Software Reinstall - Touchscreen.
  15. Install the bed floor assembly. See Truck Bed - Bed Floor Assembly (Remove and Install).
  16. Close the tonneau cover.
  17. Close the tailgate.
  18. Connect a laptop with Toolbox 3 to the vehicle. See Toolbox 3 (Connect and Disconnect).
  19. In toolbox, click the Actions tab, and then search for "TAS service run".
  20. Click TAS Enter Service Run Mode, click Run, and allow the routine to complete.
  21. Click the Actions tab, and then search for "TAS deflate".
  22. Click TAS Deflate Component, select REAR_AXLE from drop-down menu, click Run, and allow the routine to complete.
  23. Disconnect MV power. See Disconnect MV Power.
  24. Raise the vehicle to a comfortable working height.
  25. Position the LH rear toe link on the rear steering actuator, and then install and hand-tighten the bolt that attaches the toe link to the rear steering actuator. Repeat this step for the RH side of the vehicle
    Warning IconA warning icon, calling your attention to a possibly risky situation
    CAUTION
    Only hand-tighten the bolt, as this joint will be fully torqued at a later step.
    Tip: Use of the following tool(s) is recommended:
    • 18 mm combination wrench
    Figure 3. LH shown; RH similar
  26. Position the LH rear toe link on the LH rear knuckle, and then install a new nut that attaches the toe link to the knuckle. Repeat this step for the RH side of the vehicle.
    210 Nm (154.9 lbs-ft)
    Informational PurposesAn informational icon, calling your attention
    Note
    Counter hold the ball joint.
    Tip: Use of the following tool(s) is recommended:
    • 21 mm socket
  27. Position and raise a pole jack onto the LH rear lower control arm.
  28. Adjust the LH rear suspension to ride height specification.
    Informational PurposesAn informational icon, calling your attention
    Note
    Measure from the wheel housing stud to the stabar link mount. The distance should be 31.8 cm. Adjust pole jack as needed.
  29. Fully torque the bolt that attaches the LH rear toe link to the rear steering actuator.
    145 Nm (106.9 lbs-ft)
    Tip: Use of the following tool(s) is recommended:
    • 18 mm combination wrench
  30. Lower the pole jack and remove the it from the LH rear lower control arm.
  31. Repeat step 27 through step 30 for the RH side of the vehicle.
  32. Install the LH and RH rear wheels. See Wheel Assembly (Remove and Install).
  33. Reconnect MV power. See Disconnect MV Power.
  34. Install the rear underhood apron. See Underhood Trim - Rear Apron Assembly (Remove and Install).
  35. Remove the vehicle from the lift. See Raise Vehicle - 2 Post Lift.
  36. Re-establish vehicle connection with Toolbox 3.
  37. In Toolbox, click the Actions tab, and then search for "Pressurize".
  38. Click Tesla Air Suspension Pressurize HV Pack, and then click Run. Allow the routine to complete.
    Informational PurposesAn informational icon, calling your attention
    Note
    Click the X at the top right of window to close once completed.
    Informational PurposesAn informational icon, calling your attention
    Note
    If reservoir air pressure is not ~16 bar, then proceed to full system pressurize procedure. If pack is not able to maintain pressure post test, then proceed to Pressurized Pack Not Holding Pressure inspection procedure. If pack is taking too long to pressurize then proceed to find leak.
  39. Disconnect Toolbox and remove the laptop from the vehicle. See Toolbox 3 (Connect and Disconnect).
  40. Exit Service Mode. See Service Mode.
  41. Raise the LH front window and close the LH front door.
  42. Perform a wheel alignment check. See Four Wheel Alignment Check (No Adjustment Needed).