2025-11-11

Clean Radiator (Heat Pump)

Correction code 18301000 0.84 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 ServiceManualFeedback@tesla.com. NOTE: See Personal Protection to make sure wearing proper PPE when performing the below procedure. See Ergonomic Precautions for safe and healthy working practices.

  • 2025-11-11: Add a step to clean the small stones remaining on the back of the radiator and the lower part of the cooling fan housing.
  • 2023-11-02: Updated the AGS-related steps.

Procedure

  1. Place the vehicle on the 2-post lift.
  2. Open the LH front door and lower the LH front window.
  3. Use the touchscreen to place the vehicle in Service Mode. See Service Mode.
  4. Remove the active grille shutter. See Active Grille Shutter (Heat Pump) (Remove and Replace).
  5. Remove the locking tabs (x8) that attach the plastic grille to the radiator.
  6. Use a shop-vac to clean the dirt on the radiator.
    Informational PurposesAn informational icon, calling your attention
    Note
    If necessary, remove the large debris.
  7. Use a blow gun to clean the dirt on the radiator again.
    Informational PurposesAn informational icon, calling your attention
    Note
    Do not get too close to the radiator blades.
    Informational PurposesAn informational icon, calling your attention
    Note
    Dust and debris may fly out during the process; make sure to wear proper PPE for protection, such as a mask, safety glasses, etc.
  8. Release upper and lower locking tabs securing radiator to cooling and shroud assembly.
  9. Use inflatable airbag to separate radiator.
    Informational PurposesAn informational icon, calling your attention
    Note
    Use inflatable airbag to raise the edge of the radiator at a certain Angle. Be careful that the surface of the radiator and the two holding mounts are damaged.
  10. Clean bottom of cooling fan.
  11. Inspect bottom of cooling fan for debris.
  12. Remove inflatable airbag.
  13. Install radiator into cooling fan and shroud assembly.
  14. Install the locking tabs (x8) that attach the plastic grille to the radiator.
  15. Install the active grille shutter. See Active Grille Shutter (Heat Pump) (Remove and Replace).
    Informational PurposesAn informational icon, calling your attention
    Note
    Terminate after connecting the LV power.
  16. Unlock the gateway. See Gateway (Unlock).
  17. On the touchscreen, tap the Service Mode "wrench" (at the bottom of the touchscreen UI), and then tap Thermal > Actions, then tap the START button next to "Test Thermal Performance", click "Run", and then allow the routine to complete.
  18. On the touchscreen, tap the Service Mode "wrench" (at the bottom of the touchscreen UI), and then tap Thermal > Actions, then tap the START button next to "Test HVAC Performance", click "Run", and then allow the routine to complete.
  19. Disable Service Mode. See Service Mode.
  20. Install the underhood storage unit. See Underhood Storage Unit (Remove and Replace).
  21. Raise the LH front window and close the LH front door.
  22. Remove the vehicle from the lift.