01/04/2024 14:02:22

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

Correction code 40200202 1.26 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 proper PPE is worn when performing the below procedure.

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Warning
This procedure is a DRAFT, although it has been validated. Warnings and Cautions might be missing. Follow safety requirements and use extreme caution when working on or near high voltage systems and components. Provide corrections and feedback to ServiceDevelopment@teslamotors.com.

Remove

  1. Move the vehicle to 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 LH and RH underhood aprons. See Underhood Apron - LH (Remove and Replace).
  4. Remove the front underhood apron. See Underhood Apron - Front (Remove and Replace).
  5. Remove the underhood storage unit. See Underhood Storage Unit (Remove and Install).
  6. Disconnect LV power. See LV Power (Disconnect and Connect).
  7. Remove the LH rear wheel. See Wheel Assembly (Remove and Install).
  8. Remove the mid aero shield panel. See Panel - Aero Shield - Mid (Remove and Replace).
  9. Place a shop tower over the HV harness.
  10. Position a coolant drain container underneath the LH rear of vehicle.
  11. Release the edge clip from the subframe.
  12. Release the hose clip, disconnect the rear drive unit inverter to heat exchanger hose from the inverter coupling, and then allow the fluid to drain.
    Tip: Use a long radiator hose pick to release the clip for the rear drive unit hose.
  13. Raise the vehicle fully and lower lift onto locks.
  14. Release the hose clip, disconnect the rear drive unit inverter to heat exchanger hose from the oil cooler, and then allow the fluid to drain.
  15. Position the coolant drain underneath the RH rear of vehicle.
  16. Carefully release the clips (x4) that attach the rear drive unit inverter to heat exchanger hose to the vehicle.
  17. Carefully manuever the rear drive unit inverter to heat exchanger hose out from under the subframe to remove it from the vehicle.

Install

  1. Position the rear drive unit inverter to heat exchanger hose into the subframe.
  2. Connect the rear drive unit inverter to heat exchanger hose to the oil cooler, and then install the hose clip.
    Informational PurposesAn informational icon, calling your attention
    Note
    Perform push-pull-push testto verify the hose is properly seated.
  3. Secure the clips (x4) that attach the rear drive unit inverter to heat exchanger hose to the vehicle.
  4. Lower the vehicle partially and set lift onto locks.
  5. Connect the rear drive unit inverter to heat exchanger hose to the inverter coupling, and then secure the hose clip.
    Informational PurposesAn informational icon, calling your attention
    Note
    Perform push-pull-push testto verify the hose is properly seated.
  6. Install the edge clip to the subframe.
  7. Install the rear wheel. See Wheel Assembly (Remove and Install).
  8. Raise the vehicle fully and lower lift onto locks.
  9. Use a shop towel to clean away all residue from under drive unit, and then remove all the shop towels.
  10. Install the mid aero shield panel. See Panel - Aero Shield - Mid (Remove and Replace).
  11. Remove coolant bottle cap.
  12. Inspect the coolant level and top off as necessary.
    Informational PurposesAn informational icon, calling your attention
    Note
    Ensure that the fluid level is at the Max line.
  13. Connect LV power. See LV Power (Disconnect and Connect).
  14. Connect a laptop with Toolbox 3 to the vehicle. See Toolbox 3 (Connect and Disconnect).
  15. In Toolbox, click the Actions/Autodiag tab, search for "Purge", click TEST_VCFRONT_X_THERMAL-COOLANT-AIR-PURGESearch for routine in ToolboxCoolant Air PurgeThermal / Coolant System - Coolant Purge Starthv / Front Drive Inverter Replacement - Coolant Air Purgehv / Rear Drive Inverter Replacement - Coolant Air Purgehv / Rear Left Drive Inverter Replacement - Coolant Air Purgehv / Rear Right Drive Inverter Replacement - Coolant Air Purgehv / Front Drive Unit Replacement - Coolant Air Purgehv / Rear Drive Unit Replacement - Coolant Air PurgeThermal / Actions - Coolant Purge Stop or Coolant Purge Start, click Run, and allow the routine to complete.
    Informational PurposesAn informational icon, calling your attention
    Note
    Make sure the vehicle is not in drive state. Putting vehicle into drive state will stop this routine. Monitor the levels as required.
  16. Disconnect the laptop with Toolbox 3 from the vehicle. See Toolbox 3 (Connect and Disconnect).
  17. Inspect the coolant level and top off as necessary.
    Informational PurposesAn informational icon, calling your attention
    Note
    Ensure that the fluid level is at the Max line.
  18. Install the coolant bottle cap.
  19. Install the underhood storage unit. See Underhood Storage Unit (Remove and Install).
  20. Install the front underhood apron. See Underhood Apron - Front (Remove and Replace).
  21. Install the LH and RH underhood aprons. See Underhood Apron - LH (Remove and Replace).
  22. Install the rear underhood apron. See Underhood Apron - Rear (Remove and Replace).
  23. Calibrate the rear doors.
    Informational PurposesAn informational icon, calling your attention
    Note
    If the "Calibration Needed" message appears on the vehicle touchscreen, touch and hold Calibrate to calibrate the rear doors.
  24. Remove the vehicle from the lift. See Raise Vehicle - 2 Post Lift.