01/04/2024 14:03:19

Oil Filter - Rear Drive Unit (Remove and Replace)

Correction code 40304802 0.72 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.

  • 2024-02-06: Updated gearbox fluid to KAF1.
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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.
  1. Raise and support vehicle
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    Note
    Set air suspension to "Jack Mode"
  2. Open hood
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    Note
    Using center display touchscreen > Quick Controls > Frunk Open
  3. Remove rear underhood apron
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    Note
    8x clips
  4. Power off vehicle from center display
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    Note
    Via Controls > Safety & Security > Power Off
  5. Disconnect LV battery connector and First Responder Loop
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    Note
    2x connectors, Lift up and release green locking tab, Pull black connector lock outwards to release connection
  6. Raise vehicle fully and lower lift onto locks
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    Note
    Set vehicle to comfortable working height, Make sure there's an audible click of the locks on both sides before lowering, otherwise vehicle may tilt to the side
  7. Remove clips securing mid aero shield
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    Note
    4x push clips
  8. Remove bolts securing mid aero shield and remove from vehicle
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    Note
    16x bolts, 10mm, 6 Nm
  9. Position oil drain container under RDU drain valve
  10. Remove fill plug from RDU
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    Note
    1x plug, 8mm Allen, 15 Nm
  11. Disconnect oil pump connector
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    Note
    1x connector
  12. Remove fasteners from RDU oil pump
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    Note
    2x bolts, EPL10, 5 Nm + 20 degrees
  13. Remove the oil pump from the RDU
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    Note
    Pry the pump away from the RDU, Be cautious when prying to avoid damage to plastic and casting, Allow the oil to drain from the RDU
  14. Remove the oil filter from RDU
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    Note
    Tesla recommends that the oil filter is replaced with a new one upon removal. Any oil filter with visible corrosion or leaks must be replaced.
  15. Inspect seals and o-rings
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    Note
    Inspect o-rings on removed parts, 3 o-rings on pump, one o-ring on fill plug, if missing o-ring on pump ensure it is not left in housing, if damaged o-ring on plug replace affected plug, 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
  16. Install new RDU oil filter
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    Note
    Tesla recommends that the oil filter is replaced with a new one upon removal. Any oil filter with visible corrosion or leaks must be replaced.
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    Note
    Spin clockwise, 3 Nm + 135 degrees Lubricate seal prior to installation
  17. Reinstall RDU oil pump assembly
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    Note
    Inspect O-rings for damage and verify none are stuck inside the drive unit casting, Replace O-rings if necessary, Lightly coat O-rings with clean KAF1 fluid.
  18. Install RDU oil pump fasteners
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    Note
    2x bolts, EPL10, 5 Nm and 20 degrees
  19. Set up fill kit with KAF1 fluid.
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    Note
    Fill measuring container to 2.3L / 2300 mL - Long range rear drive unit will take 2.1L of fluid
  20. Install fluid transfer pump
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    Note
    Trim both input and output hoses to 26", Insert output hose into fill hole until fully seated then pull back 5mm
  21. Set up fill process
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    Note
    Place measured fluid container in drain basket, fully submerge input hose, prime pump with KAF1 fluid
  22. Connect the 12V power supply to RDU oil pump
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    Note
    1x connector, Engage locking tab
  23. Pump KAF1 fluid into rear drive unit
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    Note
    Recommend assistance, Do not run oil pump dry, Pump fluid into drive unit, Run oil pump in between to cycle fluid. 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.
  24. Install fill plug onto RDU
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    Note
    1x plug, 8mm Allen, 15 Nm,
  25. Disconnect 12V power supply tool from oil pump
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    Note
    1x connector
  26. Connect oil pump connector
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    Note
    1x connector, Engage locking tab
  27. Spray area with brake cleaner and wipe residual fluid off with towel
  28. Remove the oil drain container from underneath rear drive unit
  29. Apply Loctite 222 onto mid aero shield bolts and install fasteners securing mid aero shield to vehicle
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    Note
    16x bolts, 10mm, 6 Nm
  30. Install clips securing mid aero shield
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    Note
    4x push clips
  31. Lower vehicle fully
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    Note
    Raise lift off locks, then hold lock release lever to keep locks free while vehicle is lowered
  32. Connect First Responder Loop and LV battery connector
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    Note
    2x connectors Secure FRL first, Seat LV battery connection and push black connector lock inwards to secure, Engage green locking tab when fully seated
  33. Install rear underhood apron
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    Note
    8x clips
  34. Release IP service panel
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    Note
    2x tabs, 4x datums, Release top tabs and slide rearward
  35. Using laptop connect to vehicle with ethernet diag kit and Toolbox 3
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    Note
    Open Toolbox 3 website and establish connection to the vehicle, https://toolbox.teslamotors.com, For local connection issues with Toolbox 3 refer to article #43695, Media converter box is powered by laptop USB or 12v power outlet, Ethernet connection will provide communication
  36. Select Actions/Autodiag tab and search for ‘Oil Pressure"
  37. Select TEST-SELF_DIR_X_OIL-PUMP-PRESSURESearch for routine in ToolboxOil Pump Low Pressure Test - Rear Drive Unit, click Run, and allow routine to complete
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    If this test is failing, add additional fluid and retest. Select ‘X’ at top right of window to close once complete
  38. Disconnect Toolbox 3 from vehicle and remove laptop and ethernet diag kit
  39. Install IP service panel
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    Note
    2x tabs, 4 datums, Slide forward engaging datums then secure tabs upward into IP
  40. Remove vehicle from lift
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    Note
    Lower rack arms fully and remove them from under vehicle, Remove air suspension from "Jack Mode"