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Home >> Tesla >> 2021 >> Model 3 Performance >> Repair and Diagnosis >> Suspension >> Wheel Alignment >> Suspension -- Model 3 >> Alignment Adjustment >> Four Wheel Alignment Check and Adjust >> Prepare for Adjustment

Prepare for Adjustment

  1. Make sure the tire pressures are to specification.
    NOTE: Use the tire sticker values displayed on the door jam. If unavailable, use these values:
    • 18 inch wheels - 42 psi
    • 19 inch wheels - 42 psi
    • 20 inch wheels - 42 psi
  2. Make sure that the alignment rack slip/turn plates are locked.
  3. Disconnect the charging cable from the vehicle.
    WARNING: Do not attach the charging cable to the charge port while the vehicle is on the rack.
  4. Drive the vehicle onto the alignment rack, and stop the vehicle approximately 6 inches before the turn plates to allow for rolling compensation.
  5. Shift into Park.
  6. Install wheel chocks.
  7. Install seat covers on the driver and front passenger seats.
  8. Set 150 pounds of ballast bags onto the driver seat, and 150 pounds of ballast bags onto the front passenger seat.
  9. From outside of the vehicle, fasten the driver and front passenger seat belts, and shift into Neutral.
  10. Pass a shop towel halfway through the both door strikers, and use a pen to latch the doors.
  11. Raise the alignment rack to a working height and slightly lower to lock.
  12. Install the alignment heads onto the wheels.
  13. Remove the wheel chocks.
  14. Type the vehicle information into the alignment machine.
  15. Perform a rolling compensation and manually position the vehicle onto the slip/turn plates.
  16. Reinstall the wheel chocks.
  17. Remove the alignment slip/turn plate pins.
  18. If necessary, calibrate the ride height tool.
    1. Use a tape measure to measure the height of the tool.
    2. If necessary, adjust the metal knob to compensate for the height of the tool (i.e., the tool should read "0 mm" after adding the height of the tool).
  19. Measure the ride height at the 4 locations shown.
    NOTE: The locations are 75 mm towards the centerline from the vehicle lifting points.
    G14748922Courtesy of TESLA, INC.
  20. Check that the vehicle's ride height is within specifications. See WHEEL ALIGNMENT .
    NOTE: Move the front seats fore or aft to set the ride height to spec.
  21. Install the brake pedal depressor and steering wheel bubble level.
  22. Perform a caster sweep, center and set the steering wheel using the bubble level and steering wheel holder.
  23. Print the vehicle summary and identify which alignment parameters are not within specifications.
    NOTE: Make sure to refer to the correct alignment specification for when ballast bags are used.
    NOTE: If the alignment parameters are within specifications, go to step  2 of COMPLETE THE ALIGNMENT .
  24. Raise the alignment rack to an overhead height and slightly lower to lock.
  25. Remove the mid aero shield panel. See PANEL - AERO SHIELD - MID (REMOVE AND REPLACE) .
  26. Adjust the rear camber. See ADJUST REAR CAMBER .
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