01/04/2024 13:58:43

Heat Exchanger - Front Drive Unit (Remove and Replace)

Correction code 39301002 0.90 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.

  • 2024-02-27: Updated gearbox fluid to KAF 1.

Remove

  1. Remove the underhood storage unit. See Underhood Storage Unit (Remove and Replace).
  2. Disconnect 12V power. See 12V/LV Power (Disconnect and Connect).
  3. Remove the front aero shield panel. See Panel - Aero Shield - Front (Remove and Replace).
  4. Position a coolant drain under the front drive unit heat exchanger.
  5. Release the clip, disconnect the heat exchanger - superbottle coolant hose from the heat exchanger, and then immediately plug the male and female fittings.
  6. Release the clip that attaches the heat exchanger - superbottle coolant hose to the superbottle, and move the coolant hose aside.
  7. Release the clip, disconnect the heat exchanger - FDU inverter coolant hose to the heat exchanger, and then immediately plug the male and female fittings.
  8. Remove the bolts that attach the heat exchanger to the inverter.
    Informational PurposesAn informational icon, calling your attention
    Note
    Place a shop towel underneath the heat exchanger to catch any escaping fluids.
  9. Remove the heat exchanger from the front drive unit assembly.
    Warning IconA warning icon, calling your attention to a possibly risky situation
    CAUTION
    Do not pry against the front drive unit or heat exchanger with tools. Gently wiggle the heat exchanger to free it from the front drive unit.

Install

  1. Install new o-rings onto the heat exchanger.
  2. Lightly coat the o-rings with KAF 1 gearbox fluid.
  3. Install the heat exchanger onto the front drive unit and press it firmly into place.
  4. Install the bolts that attach the heat exchanger to the inverter.
    5 Nm (3.7 lbs-ft) + 30 degrees
  5. Remove the plugs from the male and female fittings, immediately connect the heat exchanger - FDU inverter coolant hose to the heat exchanger, and then fasten the clip that attaches the hose to the heat exchanger.
    Informational PurposesAn informational icon, calling your attention
    Note
    Perform a push-pull-push check of the hose connection.
  6. Remove the plugs from the male and female fittings, immediately connect the heat exchanger - superbottle coolant hose to the heat exchanger, and then fasten the clip that attaches the hose to the heat exchanger.
    Informational PurposesAn informational icon, calling your attention
    Note
    Perform a push-pull-push check of the hose connection.
  7. Fasten the clip that attaches the heat exchanger - superbottle coolant hose to the superbottle.
  8. Use shop towels to wipe up any spilled coolant or gearbox fluid.
  9. Remove the coolant drain from under the vehicle.
  10. Check the front drive unit gearbox fluid level, and fill as necessary. See Gearbox Fluid - Front Drive Unit (Check and Fill).
  11. Install the front aero shield panel. See Panel - Aero Shield - Front (Remove and Replace).
  12. Connect 12V power. See 12V/LV Power (Disconnect and Connect).
  13. Check the coolant level, and fill as necessary. See Cooling System (Partial Refill and Bleed).
  14. Install the underhood storage unit. See Underhood Storage Unit (Remove and Replace).