2024-05-23

Fluid Coupling - Rear Drive Unit (Plaid) (Remove and Replace)

Correction code 40010012 2.82 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 ServiceManualFeedback@tesla.com. NOTE: See Personal Protection to make sure proper PPE is worn when performing the below procedure.

Warning IconA warning icon, calling your attention to a possibly risky situation
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.

Remove

  1. Remove the rear drive unit. See Drive Unit - Rear (Plaid) (Remove and Install).
  2. Connect a laptop with Toolbox 3 to the vehicle. See Toolbox 3 (Connect and Disconnect).
  3. Release the electronic parking brake. See Park Brake Caliper - Release.
  4. Disconnect the laptop with Toolbox 3 from the vehicle. See Toolbox 3 (Connect and Disconnect).
  5. Remove the rear underhood apron. See Underhood Apron - Rear (Remove and Replace).
  6. Disconnect LV power. See LV Power (Disconnect and Connect).
  7. Set the high voltage multimeter to DC voltage, lightly touch the probes to the auxiliary battery connector contacts, and verify that the multimeter displays a voltage.
    Informational PurposesAn informational icon, calling your attention
    Note
    Battery voltage is typically 14.5 to 15.5 volts.
  8. Remove the rear wheels. See Wheel Assembly (Remove and Install).
  9. Remove the mid aero shield panel. See Panel - Aero Shield - Rear (Remove and Replace).
  10. Perform Vehicle HV Disablement Procedure. See Vehicle HV Disablement Procedure.
  11. Remove the leather glove protectors and HV insulating gloves.
  12. Remove the rear fascia diffuser. SeeDiffuser - Rear Fascia (Remove and Replace).
  13. Remove the LH and RH rear wheel arch liners. See Wheel Arch Liner - Rear - LH (Remove and Replace).
  14. Remove the rear subframe assembly. See Subframe Assembly - Rear (Plaid) (Remove and Install).
  15. Remove the rear subframe assembly from under the vehicle.
  16. Position a fluid catcher under the subframe and fixture assembly.
  17. Release the hose clip, release the powertrain supply hose from the LH rear inverter, and then plug the hoses.
    Informational PurposesAn informational icon, calling your attention
    Note
    Place towels underneath to catch any coolant.
  18. Remove and discard the bolt that attaches the rear drive unit fluid coupling to the rear drive unit, and then remove the coupling from the inverter.
    6 Nm (4.4 lbs-ft)
    Informational PurposesAn informational icon, calling your attention
    TIp
    Use of the following tool(s) is recommended:
    • Torx T25 socket

Install

  1. Lubricate the straight fluid coupling O-ring with coolant.
    Warning IconA warning icon, calling your attention to a possibly risky situation
    CAUTION
    Do not install the fluid coupling with the O-ring dry.
  2. Install the rear drive unit fluid coupling into the rear drive unit, and then install a new bolt that attaches the coupling to the inverter.
    6 Nm (4.4 lbs-ft)
    Informational PurposesAn informational icon, calling your attention
    TIp
    Use of the following tool(s) is recommended:
    • Torx T25 socket
  3. Remove the hose plugs, connect the powertrain supply hose onto the LH rear inverter, and then install the hose clip.
    Informational PurposesAn informational icon, calling your attention
    Note
    Perform a push-pull-push test to verify the hose is fully secure.
  4. Remove the fluid catcher from under the subframe and fixture assembly.
  5. Install the rear subframe assembly. See Subframe Assembly - Rear (Plaid) (Remove and Install).