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Home >> Tesla >> 2024 >> Model 3 Performance >> Repair and Diagnosis (Single Page) >> Brakes >> Mechanical - Hydraulic >> Brakes -- Model 3 >> Brake Discs and Calipers >> Brake Rotor - Rear - LH (Measure Runout) >> Procedure

Brake Rotor - Rear - LH (Measure Runout): Procedure

  1. Open the LH front door and lower the LH front window.
  2. Apply the brake pedal depressor.
    NOTE: Verify the brake pedal is fully pressed to avoid wheels from spinning.
    G16603057Courtesy of TESLA, INC.
  3. Raise and support the vehicle. See RAISE VEHICLE - 2 STANDS .
  4. Remove the LH rear wheel. See WHEEL ASSEMBLY - REMOVE AND INSTALL .
  5. Remove the bolt that attaches the LH rear rotor to the hub.

    Tip: Use of the following tool(s) is recommended:

    • 2 in extension
    • 10 mm socket
    • Cordless 1/4 in Dr Ratchet
    • Ratchet/torque wrench
    G16603058Courtesy of TESLA, INC.
  6. Install the brake rotor run out clamping plate onto the LH rear rotor.

    100 N.m (73.7 lbs-ft) 

    NOTE: This simulates the wheel being installed, thus preventing inaccurate measurements.

    Tip: Use of the following tool(s) is recommended:

    • Brake Rotor Run Out Kit - 1064697-00-B
    • Ratchet/torque wrench
    • 21 mm deep socket
    • Breaker bar
    G16603059Courtesy of TESLA, INC.
  7. Lower the vehicle to suitable height, and then remove the brake pedal depressor.
  8. Raise the vehicle partially and lower the lift onto locks.
    NOTE: Make sure that there is an audible click of locks on both sides before lowering, otherwise the vehicle may tilt to one side.
  9. Install the brake rotor run out flex bar onto the LH rear toe link bolt and setup for reading.
    G16603060Courtesy of TESLA, INC.
  10. Measure 15 mm inward from the LH rear rotor end and align digital indicator, and then press the indicator rod and zero measurement.
    NOTE: Make sure that the indicator rod is pressed to allow travel in both directions and does not bottom out.
    G16603061Courtesy of TESLA, INC.
    G16603062Courtesy of TESLA, INC.
  11. Mark the top center of the LH rear rotor to identify the starting point.
    G16603063Courtesy of TESLA, INC.
  12. Slowly rotate the LH rear rotor one full revolution.
    NOTE:
    • Record the highest positive and lowest negative values as shown on the digital indicator as you complete the rotation.
    • The total runout is the difference between the highest positive and lowest negative values and must not exceed 0.050 mm (for base brake rotors) or 0.150 mm (for performance brake rotors). If the total runout exceeds 0.050 mm (for base brake rotors) or 0.150 mm (for performance brake rotors), the brake rotor must be replaced due to excessive runout.
    G16603064Courtesy of TESLA, INC.
  13. Measure 30 mm inward from the LH rear rotor end and align digital indicator, and press the indicator rod and zero measurement.
    NOTE: Make sure that the indicator rod is pressed to allow travel in both directions and does not bottom out.
    G16603065Courtesy of TESLA, INC.
  14. Slowly rotate the LH rear rotor one full revolution.
    NOTE:
    • Record the highest positive and lowest negative values as shown on the digital indicator as you complete the rotation.
    • The total runout is the difference between the highest positive and lowest negative values and must not exceed 0.050 mm (for base brake rotors) or 0.150 mm (for performance brake rotors). If the total runout exceeds 0.050 mm (for base brake rotors) or 0.150 mm (for performance brake rotors), the brake rotor must be replaced due to excessive runout.
    G16603066Courtesy of TESLA, INC.
  15. Measure 45 mm inward from the LH front rotor end and align digital indicator, and press the indicator rod and zero measurement.
    NOTE: Make sure that the indicator rod is pressed to allow travel in both directions and does not bottom out.
    G16603067Courtesy of TESLA, INC.
  16. Slowly rotate the LH rear rotor one full revolution.
    NOTE:
    • Record the highest positive and lowest negative values as shown on the digital indicator as you complete the rotation.
    • The total runout is the difference between the highest positive and lowest negative values and must not exceed 0.050 mm (for base brake rotors) or 0.150 mm (for performance brake rotors). If the total runout exceeds 0.050 mm (for base brake rotors) or 0.150 mm (for performance brake rotors), the brake rotor must be replaced due to excessive runout.
    G16603068Courtesy of TESLA, INC.
  17. Remove the brake rotor run out flex bar from the LH rear toe link bolt.
    G16603069Courtesy of TESLA, INC.
  18. Apply the brake pedal depressor.
    NOTE: Verify the brake pedal is fully pressed to avoid wheels from spinning.
  19. Raise the vehicle partially and lower the lift onto locks.
    NOTE: Make sure that there is an audible click of locks on both sides before lowering, otherwise the vehicle may tilt to one side.
  20. Remove the brake rotor run out clamping plate from the LH rear rotor.

    Tip: Use of the following tool(s) is recommended:

    • Brake Rotor Run Out Kit - 1064697-00-B
    • Ratchet/torque wrench
    • 21 mm deep socket
    • Breaker bar
    G16603070Courtesy of TESLA, INC.
  21. Install the bolt that attaches the LH rear rotor to the hub.

    5 N.m (3.7 lbs-ft) 

    Tip: Use of the following tool(s) is recommended:

    • 2 in extension
    • 10 mm socket
    • Cordless 1/4 in Dr Ratchet
    • Ratchet/torque wrench
    G16603071Courtesy of TESLA, INC.
  22. Install the LH rear wheel. See WHEEL ASSEMBLY - REMOVE AND INSTALL .
  23. Remove the brake pedal depressor.
  24. Hold the brake pedal and tap the park button on the touchscreen to release the EPB service mode
  25. Raise the LH front window and close the LH front door.
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