21/11/2023 21:40:21

Front Drive Inverter - Assembly, Fluid Coupling (Remove and Replace)

Correction code 3920010042 FRT 0.54 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.

  • 1135762-00-A Kit, Svc Plug, Cooling Hose, Model 3
  • 1080568-00-A Fluid Catcher
  • 1060071-00-A Torque Wrench ¼ in Dr Hexagon
  • 1065131-00-A Kit, Battery Coolant Drain
Table 1. Torque Specifications: Front Drive Inverter - Assembly, Fluid Coupling (Remove and Replace)
Description Torque Value Recommended Tools Reuse/Replace Notes
Bolt that attaches the straight fluid coupling and the front drive unit inverter
6 Nm (4.4 lbs-ft)
  • Cordless drill
  • Torx T25 Bit
  • Torx T25 socket
  • Flex head ratchet/flex head torque wrench
  • Ratchet/torque wrench
 Reuse

Remove

  1. Raise and support the vehicle. See Raise Vehicle - 2 Stands.
  2. Open all doors and lower all windows.
  3. Unlock the vehicle gateway. See Gateway Unlock.
  4. On the touchscreen, tap the Service Mode "wrench" (at the bottom of the touchscreen UI), and then tap Thermal > Coolant System > Coolant Fill/Drain > Run, and then allow the routine to complete.
    Tip: The routine has a 5-hour time limit.
  5. Disconnect the LV battery power. See LV Battery - Li-lon (Disconnect and Connect).
  6. Release the clips (x3) to remove the fresh air gutter assembly.
  7. Remove the front aero shield panel. See Front Undertray - Model 3/Y, Front Aero Shield (Remove and Replace).
  8. Position the coolant drain container under the LH front of the front drive unit.
  9. Disconnect the front drive unit inverter inlet hose from the fluid coupling, and plug the ends of both fittings as soon as possible to avoid coolant loss.
    Tip: Coolant loss greater than 1L requires vacuum fill.
  10. Remove the bolt that attaches the straight fluid coupling and the front drive unit inverter, and then remove and discard the straight fluid coupling.
    Tip: Use of the following tool(s) is recommended:
    • Cordless drill
    • Torx T25 Bit
    • Torx T25 socket
    • Flex head ratchet/flex head torque wrench
    • Ratchet/torque wrench

Install

  1. Install the bolt that attaches the straight fluid coupling and the front drive unit inverter.
    6 Nm (4.4 lbs-ft)
    Tip: Use of the following tool(s) is recommended:
    • Cordless drill
    • Torx T25 Bit
    • Torx T25 socket
    • Flex head ratchet/flex head torque wrench
    • Ratchet/torque wrench
  2. Remove the plugs on the ends of fittings, and then connect the front drive unit inverter inlet hose to the fluid coupling.
    Tip:

    Coolant loss greater than 1L requires vacuum fill.

    Perform a push-pull-push test to make sure that the hose is fully secured.

  3. Remove the coolant drain container from underneath the vehicle.
  4. Install the front aero shield panel. See Front Undertray - Model 3/Y, Front Aero Shield (Remove and Replace).
  5. Perform a coolant pressure test:
    1. Remove the coolant bottle cap.
    2. Install the coolant reservoir pressure test adapter onto the coolant bottle assembly.
    3. Attach the coolant pressure tester to the compressed air line. Make sure the valves on the pressure regulator are closed.
    4. Set pressure regulator to 50 psi, and then slowly open the valve on the pressure regulator. Allow the pressure to reach 50 psi.
    5. Close the valve, and wait for 2 minutes for the pressure to settle, and then record the pressure reading.
    6. Wait for another 12 seconds, and then record the reading.
      Tip: Pressure may not have dropped by more than 0.1 psi. If pressure test fails, confirm that fluid couplings are fully seated, and then redo the pressure test.
    7. Remove the coolant pressure test components from the inverter.
  6. Connect the LV battery power. See LV Battery - Li-lon (Disconnect and Connect).
  7. Unlock the vehicle gateway. See Gateway Unlock.
  8. On the touchscreen, tap the Service Mode "wrench" (at the bottom of the touchscreen UI), and then tap Thermal > Coolant System > Stop Thermal Fill/Drain, and then allow the routine to complete.
  9. On the touchscreen, tap the Service Mode "wrench" (at the bottom of the touchscreen UI), and then tap Thermal > Coolant System > Coolant Purge > Run, and then allow the routine to complete.
    Tip:
    • The routine will last for a while after the stop message displays. The coolant pumps are audible.
    • The test lasts for approximately 10 mins. Do not start another routine during this time.
    • Make sure that the vehicle is not in Drive. Putting the vehicle into Drive will stop this routine.
    • The speed in the test varies from 3500-6500 RPM (idle speed = ~1500 RPM) and the actuated valve varies between SERIES and PARALLEL.
    • If the speed hovers at 7000 RPM, it indicates the pumps are air locked. Perform the vacuum fill again. Continue to add the coolant and purge until the coolant level reaches between the NOM and MAX Lines on the bottle.
  10. Inspect the coolant level, top off as necessary, and then install the coolant bottle cap.
    Tip: Ensure that the coolant level is at the "Max" line.
  11. On the touchscreen, tap the Service Mode "wrench" (at the bottom of the touchscreen UI), and then tap Thermal > Actions, tap the START button next to Test Thermal Performance, click Run, and then allow the routine to complete.
  12. Secure the clips (x3) to install the fresh air gutter assembly.
  13. Install the rear underhood apron. See Underhood Trim - Rear Apron Assembly (Remove and Replace).
  14. Disable Service Mode. See Service Mode.
  15. Raise all windows and close all doors.
  16. Remove the lift arms from below the vehicle.