02/10/2024 09:41:03

Rear Drive Unit - RDU Oil (Tri Motor) (Drain and Fill)

Correction code 40300122 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.

  • 2024-10-02: Removed note specifying 200mL minimum of oil during refill step to align with validation.
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. Provide corrections and feedback to ServiceDevelopment@teslamotors.com.
  • 1450424-00-A - SET, 1/2" CUT BIT. (78 PCS DOUBLE END MINI RATCHET)
  • 1076971-02-A - Torque Wrench 1/4in Dr. + Angle
  • 1965406-00-A - TORQUE WRENCH, DIGITAL+ANGLE, 3/8" DR, FLEX HEAD, 13.5~135Nm
  • 1115137-00-A - SKT, 1/4" DR, HEX BIT, METRIC, 6MM
  1. Open the LH front door and lower the LH front window.
  2. Raise and support the vehicle. See Raise Vehicle - 2 Post Lift.
  3. Remove the mid-aero shield. See Undertray - Mid Aeroshield (Remove and Install).
  4. Position an oil drain container underneath the rear drive unit.
  5. Remove the oil drain plug from the rear drive unit and allow the fluid to drain.
    Tip: Use of the following tool(s) is recommended:
    • 8 mm hex
  6. Assemble the tools required to correctly torque the drain and fill bolts.
    • 1450424-00-A - SET, 1/2" CUT BIT
    • 1450424-00-A - DOUBLE END MINI RATCHET
    • 1115137-00-A - SKT, 1/4" DR, HEX BIT, METRIC, 6MM
    • 1965406-00-A - TORQUE WRENCH, DIGITAL+ANGLE, 3/8" DR, FLEX HEAD, 13.5~135Nm
  7. After the fluid has drained from the rear drive unit, install the drain plug into the drive unit, and use the tools assembled in the previous step to torque it to specification.
    Informational PurposesAn informational icon, calling your attention
    Note
    Inspect the O-ring for damage and replace if needed.
    Warning IconA warning icon, calling your attention to a possibly risky situation
    CAUTION
    While using the extension, set the digital torque wrench to 11 Nm. The resulting torque on the bolt will be 15 Nm with the extension.
    Warning IconA warning icon, calling your attention to a possibly risky situation
    CAUTION
    If using tools not listed in this procedure, make sure the final torque on the bolt is 15 Nm.
  8. Remove the oil fill plug from the rear drive unit.
    Tip: Use of the following tool(s) is recommended:
    • Double end mini ratchet
    • 8 mm hex
  9. Set up fill kit with KAF1 fluid.
    Informational PurposesAn informational icon, calling your attention
    Note
    Add extra oil to container as it will prevent underfill and additional air being injected.
    Warning IconA warning icon, calling your attention to a possibly risky situation
    CAUTION
    Only use KAF1 fluid; do not interchange or mix oil types.
  10. Position the oil pump hose into the fill hole.
  11. Turn the lever on the fill hose to the "ON" position, and then pump fluid into the rear drive unit until fluid spills out.
    Informational PurposesAn informational icon, calling your attention
    Note
    Use excess gearbox fluid in fill container to allow oil pump to dispense fluid without drawing air.
  12. Turn the lever on the fill hose to the "OFF" position, and then remove the oil pump hose from the fill port.
  13. Spray the area with brake cleaner and wipe away any residual fluid.
  14. Using the tools listed in the previous step, install the fill plug into the drive unit and torque the bolt to specification.
    Warning IconA warning icon, calling your attention to a possibly risky situation
    CAUTION
    While using the extension, set the digital torque wrench to 11 Nm. The resulting torque on the bolt will be 15 Nm with the extension.
    Warning IconA warning icon, calling your attention to a possibly risky situation
    CAUTION
    If using tools not listed in this procedure, make sure the final torque on the bolt is 15 Nm.
    Informational PurposesAn informational icon, calling your attention
    Note
    Inspect the O-ring for damage and replace if needed.
  15. Remove the oil drain container from underneath vehicle.
  16. Install the mid-aero shield. See Undertray - Mid Aeroshield (Remove and Install).
  17. Remove the vehicle from the lift. See Raise Vehicle - 2 Post Lift.
  18. Raise the LH front window and close the LH front door.