27/06/2024 08:34:18

Four Wheel Alignment Check and Adjust

Correction code 31002300 FRT 0.60 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.

  • 2024-06-11: Removed step to check for symmetry and added steps to calibrate front rack.
  • 2024-04-18: Added link to perform Handwheel calibration that includes video.
  • 2024-03-26: Updated ride height measurement underbody reference points.
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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.
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Note
This procedure assumes the vehicle suspension is operating as intended. If needed, a vehicle general inspection can be performed.
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Note
Make sure the vehicle profiles on the alignment machine match the alignment specifications in the Service Manual. If alignment specifications do not match, they may need to be manually entered; refer to the alignment machine's instructions for additional information.
  1. Verify turn plates and slip plates are locked
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    Note
    Alignment machine may very per Service Center
  2. Drive vehicle onto alignment rack
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    Note
    Recommend assistance to guide vehicle evenly onto lift. Park vehicle before turn plates
  3. Set ride height to medium
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    Note
    Via UI select, Vehicle emblem > Controls > Medium
  4. Set tire pressures to specification
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    Note
    Refer to "Tire and Loading Information" label located on the driver side B-pillar - CT is 50 Psi If label is not present, reference Service Manual
  5. Open the LH front door and lower the LH front window.
  6. Connect to vehicle using Toolbox 3.0
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    Note
    Vehicle OBD II connection is integrated into drivers lower IP cover, Open Toolbox 3 website and establish connection to the vehicle, https://toolbox.teslamotors.com, Select connection status icon at top right corner, and select connect locally (icon will turn green when vehicle is connected)
  7. Unlock the vehicle Gateway. See Gateway (Unlock).
  8. Clear Straight Ahead Offset
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    Note
    Vehicle must be in Service Mode Plus to access panel. Via UI > Vehicle emblem > Chassis > Alignment & Tires > Clear Straight Ahead Offset. Via Toolbox 3 > Run: "PROC_PEPS_CLEAR-STEERING-OFFSET"
  9. Perform Handwheel calibration. See Set Handwheel Zero.
  10. Verify chassis measurement tool is set to 51mm
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    Note
    Adjust as needed, Specification for "Zero" is 51mm
  11. Raise 4-post lift to comfortable working height
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    Note
    Verify rack is lowered onto locks evenly
  12. Perform ride height measurement reading at 4 designated points
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    Note
    Via TBX3 > >Actions >PROC_TAS_X_CALIBRATE-RIDE-HEIGHTSearch for routine in ToolboxChassisVerify results do not deviate more than +/- 5mm, Check specifications in Service Manual, Rear height specifications differ depending on size of rear tires
  13. Latch seat belt to driver buckle
  14. Manually latch LH front door
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    Note
    Use pocket screw driver to manually latch door
  15. Place vehicle in neutral
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    Note
    Enter vehicle > Enable Jack Mode > Shift to neutral > Close driver's door latch, Ensure climate control and exterior lighting is turned off
  16. Position vehicle evenly onto turn plates
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    Note
    Verify turn plates are centered to front wheels. Recommend assistance if needed, Slowly roll vehicle evenly onto turn plates
  17. Place wheel chocks on both sides of LH rear wheel
  18. Run "PROC_X_SBW-CALIBRATE-FRONT-RACK" and allow routine to complete
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    Note
    Via UI > Service Mode Plus > Chassis > Steer by Wire > PEPS > Front Rack Calibration, Verify successful pass
  19. Install alignment heads onto all four wheels
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    Note
    Position alignment heads centered to wheel, Adjust side arms as necessary to grip tires securely
  20. Perform rolling compensation
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    Note
    Move vehicle using LH rear wheel, Use chocks to prevent vehicle from rolling away, Reinstall the chalks to secure vehicle after rolling compensation is done
  21. Apply brake pedal depressor
  22. Disable rear steer actuator
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    Note
    Via UI > Service Actions > Alignment > Center + Hold RearTBX3 > Actions > ‘PROC_RSA_RAMP-TO-ZERO'OR. This will move the rear rack to center and disable it
  23. Perform caster sweep
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    Note
    See instructions indicated via alignment machine display
  24. Use exterior door handle to release LH front door latch
  25. Unlatch LH front seat belt
  26. Remove brake pedal depressor
  27. Verify vehicle alignment is within specification
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    Note
    Print before/after results alignment summary. If vehicle is out of specification perform adjustment accordingly.
  28. Perform rear toe adjustment
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    Note
    2x jam nuts per side, 22mm, 70 Nm, Loosen outboard jam nut, then inboard, Adjust 21mm turn buckle as necessary, Tighten inboard, then outboard once adjustment is done
  29. Perform front toe adjustment
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    Note
    1x rod, 14mm, 1x nut, 24mm, 90 Nm, Loosen the jam nuts and turn the inner turnbuckle CW or CCW in the direction indicated by the alignment equipment to achieve the in-spec “green” value, Tighten inboard then outboard once adjustment is done
  30. Re-establish vehicle connection to Toolbox 3
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    Note
    Open Toolbox 3 website and establish connection to the vehicle. https://toolbox.teslamotors.com, Select connection status icon at top right corner, and select connect locally (icon will turn green when vehicle is connected)
  31. Run the stop hold routine on PEPS
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    Cybertruck/tasks/PROC_X_SBW-STOP-HOLD’ ) node: peps Tap the brake pedal and verify the front and rear rack move when turning the steering wheel
  32. Verify vehicle alignment is within specification
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    Note
    Print before/after results alignment summary. If vehicle is out of specification perform adjustment accordingly.
  33. Remove alignment heads from all four wheels
  34. Lower 4-post lift fully
  35. Use exterior door handle to release LH front door latch
  36. Remove wheel chocks from LH rear wheel
  37. Raise the LH front window and close the LH front door.
  38. Remove vehicle from 4-post lift
  39. Perform test drive
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    Note
    Drive at a minimum speed of 40 kph (25 mph) in a straight line and check for excessive pull. Verify that the steering wheel is centered when the vehicle is driving straight.
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    Note
    Add correction code 00040100 as a separate activity to the Service Visit.