01/04/2024 14:03:22

Oil Pump - LH - Rear Drive Unit (Plaid) (Manual Drain) (Remove and Replace)

Correction code 40304612 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 proper PPE is worn when performing the below procedure.

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Note
Perform this procedure if the LH oil pump is not functional and requires a manual refill after removal. If the oil pump is still functional, and is being replaced, see Oil Pump - LH - Rear Drive Unit (Plaid) (Remove and Replace).
  • 2024-02-06: Updated gearbox fluid to KAF1.
  • 2023-10-02: Corrected EDF2 gearbox fluid.
  • 2023-09-22: Rearranged steps for preparing oil transfer pump, and added note to perform fill while the Toolbox routine runs.
  • 2023-07-20: Reorganized steps and updated software reinstall steps to UI.

Remove

  1. Raise and support the vehicle on a 2 post lift. See Raise Vehicle - 2 Post Lift.
  2. Open the LH front door and lower the LH front window.
  3. Remove the mid aero shield panel. See Panel - Aero Shield - Mid (Remove and Replace).
  4. Disconnect the LH oil pump electrical connector.
    Informational PurposesAn informational icon, calling your attention
    Note
    Release the connector lock, press and gently pull the electrical connector.
  5. Position an oil drain container under the LH oil pump.
  6. Remove the bolts (x2) that attach the LH oil pump to the rear drive unit.
    Tip: Use of the following tool(s) is recommended:
    • EP10 socket
  7. Put the measuring container (1541474-00-B, 1081767-00-B) underneath the LH oil pump, and then start to remove the pump from the rear drive unit and allow the fluid to drain into the container. Record the amount of fluid collected.
  8. Remove LH oil pump from the rear drive unit.
    Informational PurposesAn informational icon, calling your attention
    Note
    Carefully insert a plastic wedge between the oil pump and the lower housing bracket. In small increments, work the wedge between the lower housing bracket and the oil pump until the green O-ring is visible. Remove the oil pump by hand towards the LH side of the vehicle.
    Informational PurposesAn informational icon, calling your attention
    Note
    Allow residual fluid to drain from the rear drive unit into the measuring container.
  9. Inspect the O-rings (x3) on the LH oil pump.
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    Note
    If missing a O-ring check inside the rear drive unit and remove it before installation.

Install

  1. Install the rear drive unit LH oil pump.
    Informational PurposesAn informational icon, calling your attention
    Note
    Lubricate all O-rings on new oil pump before installation.
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    Note
    Carefully position the oil pump into the rear drive unit.
  2. Install the bolts (x2) that attach the LH oil pump to the rear drive unit.
    5 Nm (3.7 lbs-ft) + 20 degrees
    Tip: Use of the following tool(s) is recommended:
    • EP10 socket
  3. Connect the LH oil pump electrical connector.
    Informational PurposesAn informational icon, calling your attention
    Note
    Engage the connector lock, and then install and gently pull to test secure connection.
  4. Prepare the oil transfer pump.
    1. Place the oil measuring container on the drain basket, and fill the container with enough KAF1 gearbox fluid to replace all fluid drained.
    2. Place the oil transfer pump input hose in the measuring container.
    3. Prime the pump with oil.
  5. Lower the vehicle.
  6. Reinstall the vehicle software. See Firmware Reinstall - Touchscreen.
  7. Connect a laptop with Toolbox 3 to the vehicle.
  8. In Toolbox, click the Actions tab, and then search for "Performance-Rear Drive Unit".
  9. Click PROC_DIREL_X_OIL-PUMP-FILL-CONTROLSearch for routine in ToolboxPERFORMANCE-REAR Drive Unit Oil Pump Fill Control, and then click Run.
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    Note
    Step 10 through step 15 must be complete while the routine runs.
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    Note
    This routine has a 10 minute duration, but can be stopped early by pressing the accelerator pedal.
  10. Fully raise the vehicle.
  11. Remove the fill plug from the rear drive unit.
  12. Inspect the fill plug and O-ring. If either the plug or O-ring are damaged, discard the plug and procure a new plug.
  13. Install the fill adapter (1695022-00-A) on the drive unit fill port.
  14. Install the oil transfer pump (1541474-00-B) fill hose on the fill adapter.
  15. While the routine runs, pump the recorded amount of KAF1 gearbox fluid into the drive unit.
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    Note
    If needed, use assistance.
  16. Remove the fill adapter (1695022-00-A) from the drive unit fill port.
  17. Install the fill plug on the rear drive unit.
    15 Nm (11.1 lbs-ft)
  18. Carefully spray the drive unit with brake cleaner, and then wipe clean with a towel.
    Warning IconA warning icon, calling your attention to a possibly risky situation
    Warning
    Use PPE such as a face covering and protective glasses when handling brake cleaner.
  19. Remove the oil drain container from underneath the vehicle.
  20. Install the mid aero shield panel. See Panel - Aero Shield - Mid (Remove and Replace).
  21. Fully lower vehicle.
  22. Disconnect Toolbox and remove the laptop from the vehicle.
  23. Remove the vehicle from the lift. See Raise Vehicle - 2 Post Lift.
  24. Raise the LH front window and close the LH front door.