01/04/2024 13:59:03

Hose - Inverter to Heat Exchanger - Front Drive Unit (Heat Pump) (Remove and Replace)

Correction code 18300142 0.66 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.

Remove

  1. Raise and support the vehicle on a 2 post lift. See Raise Vehicle - 2 Post Lift.
  2. Remove the rear underhood apron. See Underhood Apron - Rear (Remove and Replace).
  3. Remove the fresh intake duct. See Duct - Fresh Intake (Remove and Replace).
  4. Remove the hood latch cover. See Cover - Hood Latch (Remove and Replace).
  5. Remove the underhood storage unit. See Underhood Storage Unit (Remove and Replace).
  6. Disconnect 12V power. See 12V/LV Power (Disconnect and Connect).
  7. Raise and support the vehicle. See Raise Vehicle - 2 Post Lift.
  8. Remove the front aero shield panel. See Panel - Aero Shield - Front (Remove and Replace).
  9. Position the coolant drain underneath LH front of the front drive unit.
  10. Disconnect the spring clip that attaches the front drive unit inverter inlet hose to the fluid coupling, and then plug the hose and the fluid coupling.
  11. Position the coolant drain underneath RH front of the front drive unit.
  12. Disconnect the clip that attaches the front drive unit inverter inlet hose to the heat exchanger, and then plug the hose end and the heat exchanger.
  13. Lower the vehicle.
  14. Remove the clip that attaches the inverter-to-heat exchanger hose to the front drive unit, and then remove the hose from the vehicle. Remove the coolant plugs from each hose end, if the hose is being discarded.

Install

  1. Position the inverter-to-heat exchanger hose on the front drive unit, and then secure it with clip.
  2. Raise and support the vehicle. See Raise Vehicle - 2 Post Lift.
  3. Position the coolant drain underneath LH front of the front drive unit.
  4. Remove the plug from the fluid coupling, and then connect the front drive unit inverter inlet hose to the fluid coupling. Secure the hose with the spring clip.
    Informational PurposesAn informational icon, calling your attention
    Note
    Perform push-pull-push test to make sure the hose is fully engaged.
  5. Position the coolant drain underneath RH front of the front drive unit.
  6. Remove the plug from the heat exchanger, and then connect the front drive unit inverter inlet hose to the heat exchanger. Secure the hose with the spring clip.
    Informational PurposesAn informational icon, calling your attention
    Note
    Perform push-pull-push test to make sure the hose is fully engaged.
  7. Install the front aero shield panel. See Panel - Aero Shield - Front (Remove and Replace).
  8. Lower the vehicle.
  9. Inspect the coolant level and top off, if needed.
  10. Install the underhood storage unit. See Underhood Storage Unit (Remove and Replace).
  11. Install the hood latch cover. See Cover - Hood Latch (Remove and Replace).
  12. Reconnect 12V power. See 12V/LV Power (Disconnect and Connect).
  13. Connect a laptop with Toolbox 3.0 to the vehicle.
  14. Click the Actions/Autodiag tab and search for Purge.
  15. Click TEST_VCFRONT_X_THERMAL-COOLANT-AIR-PURGEvia Toolbox: (link)via Service Mode:
    • Thermal ➜ Actions ➜ Coolant Purge Stop or Coolant Purge Start
    • Thermal ➜ Coolant System ➜ Coolant Purge Start
    via Service Mode Plus:
    • Drive Inverter ➜ Front Drive Inverter Replacement ➜ Coolant Air Purge
    • Drive Inverter ➜ Rear Drive Inverter Replacement ➜ Coolant Air Purge
    • Drive Inverter ➜ Rear Left Drive Inverter Replacement ➜ Coolant Air Purge
    • Drive Inverter ➜ Rear Right Drive Inverter Replacement ➜ Coolant Air Purge
    • Drive Unit ➜ Front Drive Unit Replacement ➜ Coolant Air Purge
    • Drive Unit ➜ Rear Drive Unit Replacement ➜ Coolant Air Purge
    , and then click Run. Allow the routine to complete.
    Warning IconA warning icon, calling your attention to a possibly risky situation
    CAUTION
    Make sure the vehicle is not in drive state. Putting vehicle into drive state will stop this routine.
    Informational PurposesAn informational icon, calling your attention
    Note
    The test lasts approximately 10 minutes. Routine is still running despite the stop message. The coolant pumps will be audible. Coolant pump speeds can be monitored in Garage under the PT Thermal tab. Idle speed = ~1500 RPM, Test will vary speeds from 3500-6500 RPM and actuate valve between SERIES and PARALLEL.
    Informational PurposesAn informational icon, calling your attention
    Note
    If the coolant speeds hover at 7000 RPM, that means the coolant pumps are air locked. Therefore, perform this step again.
    Informational PurposesAn informational icon, calling your attention
    Note
    Continue to add coolant and purge until the coolant level reaches between the NOM and MAX Lines on the coolant bottle.
    Informational PurposesAn informational icon, calling your attention
    Note
    Select ‘X’ at top right of window to close once completed.
  16. Disconnect the laptop from the vehicle.
  17. Inspect the coolant level and top off, if needed.
  18. Install the fresh intake duct. See Duct - Fresh Intake (Remove and Replace).
  19. Install the rear underhood apron. See Underhood Apron - Rear (Remove and Replace).