2025-01-19

Rear Drive Unit - Rear Drive Unit Assembly - Oil Filter - 3DU (Remove and Replace)

Correction code 4001020502 0.65 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.

Torque Specifications

Table 1. Torque Specifications: Rear Drive Unit - Rear Drive Unit Assembly - Oil Filter - 3DU (Remove and Replace)
Description Torque Value Recommended Tools Reuse/Replace Notes
Bolts (X2) of oil pump
5 Nm (3.7 lbs-ft) and 20 degrees
  • External Torx Plus EP10
  • 3/8 inch ratchet with rotary disc changeover RTCH-REV-3/8IN-72TEETH-L175MM ZEBRA
 Reuse
Fill plug of rear drive unit
15 Nm (11.1 lbs-ft)
  • 3/8 inch ratchet with rotary disc changeover RTCH-REV-3/8IN-72TEETH-L175MM ZEBRA
  • DR, HEX BIT, METRIC, 8MM
 Replace

Remove

  1. Disconnect the LV battery power. See LV Power (Disconnect and Connect).
  2. Remove mid aero shield. See Middle Aero Shield (Remove and Replace)
  3. Disconnect oil pump connector.
  4. Position the oil drain under rear of vehicle.
  5. Spin counterclockwise to remove the oil filter from drive unit.
    Informational PurposesAn informational icon, calling your attention
    Note
    Discard after removal.
  6. Remove fasteners from oil pump.
    Informational PurposesAn informational icon, calling your attention
    TIp
    Use of the following tool(s) is recommended:
    • External Torx Plus EP10
    • 3/8 inch ratchet with rotary disc changeover RTCH-REV-3/8IN-72TEETH-L175MM ZEBRA
  7. Remove oil pump assembly and allow fluid to drain.
  8. Remove fill plug from rear drive unit.
    Informational PurposesAn informational icon, calling your attention
    TIp
    Use of the following tool(s) is recommended:
    • 3/8 inch ratchet with rotary disc changeover RTCH-REV-3/8IN-72TEETH-L175MM ZEBRA
    • DR, HEX BIT, METRIC, 8MM
  9. Wait for 10 minutes for the oil to naturally flow out until it reaches the droplet state.
  10. Inspect seals and O-rings.
    Informational PurposesAn informational icon, calling your attention
    Note
    Replace all O-rings on oil pump if damaged, check seal on oil filter, if missing check if still on housing and remove before install.

Install

  1. Install oil pump assembly.
  2. Install oil pump fasteners.
    5 Nm (3.7 lbs-ft) and 20 degrees
    Informational PurposesAn informational icon, calling your attention
    TIp
    Use of the following tool(s) is recommended:
    • External Torx Plus EP10
    • 3/8 inch ratchet with rotary disc changeover RTCH-REV-3/8IN-72TEETH-L175MM ZEBRA
  3. Install the new oil filter.
  4. Set up the fill kit with KAF 1, fill the measuring container to 2300ml.
  5. Connect the 12V power supply to the oil pump.
  6. Install the fluid transfer pump.
    Informational PurposesAn informational icon, calling your attention
    Note
    Trim both the input and output hoses to 26", insert the output hose into the fill hole until fully seated, and then pull back 5mm.
  7. Place the measured fluid container in the drain basket, fully submerge the input hose, then prime the pump with KAF 1 fluid.
  8. With assistance, pump KAF 1 fluid into the rear drive unit.
    Informational PurposesAn informational icon, calling your attention
    Note
    The minimum refill capacity of the rear drive unit assembly is 2.1 liters. Using excess gearbox fluid in the fill container allows the oil pump to dispense the full 2.1L without drawing air. Make sure that there is less than 200mL left when completed. Pumping the full 2.3 liters is not required.
    Informational PurposesAn informational icon, calling your attention
    Note
    The assistant will run the oil pump switch box using XP-10 Jump Pack and have the rear drive unit fill plug ready for installation.
    Informational PurposesAn informational icon, calling your attention
    Note
    Do not run the pump dry. Pump 5 full strokes from fluid container while simultaneously running the oil pump switch box for entire fill process. Keep running the oil pump switch box until the drain plug is installed in the next step. If the pump is not running or the drain plug is not installed, fluid will drain from plug within 10 seconds.
  9. Install the fill plug into the rear drive unit.
    15 Nm (11.1 lbs-ft)
    Informational PurposesAn informational icon, calling your attention
    TIp
    Use of the following tool(s) is recommended:
    • 3/8 inch ratchet with rotary disc changeover RTCH-REV-3/8IN-72TEETH-L175MM ZEBRA
    • DR, HEX BIT, METRIC, 8MM
  10. Disconnect the 12V power supply tool from the oil pump.
  11. Connect oil pump connector.
  12. Spray area with brake cleaner and wipe residual fluid off with towel.
  13. Remove oil drain container from underneath drive unit.
  14. Install mid aero shield. See Middle Aero Shield (Remove and Replace)
  15. Connect the LV battery power. See LV Power (Disconnect and Connect).
  16. Enable Service Mode Plus. See Service Mode Plus.
  17. Select "Actions", search for "TEST-SELF_DIR_X_OIL-PUMP-PRESSURE".
  18. Select "TEST-SELF_DIR_X_OIL-PUMP-PRESSURE", click "Run", and allow routine to pass.
  19. Exit Service Mode Plus. See Service Mode Plus.
  20. Raise LH front window and close LH front door.
  21. Remove vehicle from lift.