2026-10-26

Remove and Clean Radiator (Maintenance)

Correction code 18301200 1.26 NOTE: Unless otherwise explicitly stated in the procedure, the correction code and its associated 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. NOTE: See Personal Protection to make sure you are wearing proper PPE when performing the procedure below. NOTE: See Ergonomic Precautions for safe and healthy working practices.

  • 2026-08-10: Added the PROC_VC_X_RESET-RADIATOR-UA-INDEX and TEST-SELF_VCFRONT_X_THERMAL-PERFORMANCE routines.
  • 2026-04-16: Released new procedure.

Procedure

  1. Open the LH front door and lower the LH front window.
  2. Raise and support the vehicle.
  3. Remove the radiator. See Radiator (Remove and Replace).
  4. Use a vacuum to clean the dirt on both sides of the radiator.
    Note
    If necessary, remove the large debris.
    Note
    Do not damage the fins of the radiator.
  5. Use a blow gun to clean both sides of the radiator with compressed air.
    Note
    Do not damage the fins of the radiator.
    Note
    Do not get too close to the radiator blades.
    Note
    Dust and debris may fly out during the process; make sure to protect the vehicle and wear proper PPE , such as a mask, safety glasses, etc.
  6. Install the radiator. See Radiator (Remove and Replace).
  7. Locally connect a laptop with Toolbox 3 to the vehicle. See Toolbox (Connect and Disconnect).
  8. On the vehicle touchscreen, touch Service > Radiator Cleaning > Record > Confirm to reset the radiator UA index.
  9. Run the routine: TEST-SELF_VCFRONT_X_THERMAL-PERFORMANCEvia Service Mode:Thermal ➜ Actions ➜ Test Thermal Performancevia Service Mode Plus:
    • Drive Inverter ➜ Front Drive Inverter Replacement ➜ Thermal System Test
    • Drive Inverter ➜ Rear Drive Inverter Replacement ➜ Thermal System Test
    • Drive Inverter ➜ Rear Left Drive Inverter Replacement ➜ Thermal System Test
    • Drive Inverter ➜ Rear Right Drive Inverter Replacement ➜ Thermal System Test
    • Drive Unit ➜ Front Drive Unit Replacement ➜ Thermal System Test
    • Drive Unit ➜ Rear Drive Unit Replacement ➜ Thermal System Test
    via Toolbox:(link)
  10. Disconnect Toolbox and remove the laptop from the vehicle.
  11. Exit Service Mode Plus. See Service Mode Plus.
  12. Raise the LH front window and close the LH front door.
  13. Remove the vehicle from the lift.