Tesla Model 3: Gearbox Fluid - Front Drive Unit (Drain and Refill)

Gearbox Fluid - Front Drive Unit - Drain

SPECIAL TOOLS

KIT, DRIVE UNIT OIL DRAIN, MODEL 3 (1134264-00-A)

KIT, DRIVE UNIT OIL FILL, MODEL 3 (1139126-00-A)

Tool, DUF Dipstick, Model 3 (1446276-20-A)

SWITCHBOX, OIL PUMP, MODEL 3 (1131264-00-A)

JUMP START, XP-10 (1129348-00-A )

Skt, Oil Filter, 63.5mm X 14 (1130484-00-A)

Drain

1. Remove the front aero shield panel. See Panel - Aero Shield - Front (Remove and Replace).

2. Release the grey locking tab, and then press down on the tab to disconnect the oil pump connector.
3. Position an oil drain container underneath the front drive unit oil filter.

4. Use an oil filter socket to remove the front drive unit oil filter.

5. Install the oil drain adapter on the front drive unit oil filter housing.

6. Connect the fluid evacuator tube to the oil drain adapter, and then place the other end of the tube in the oil drain container.

7. Connect the oil pump switchbox and XP-10 jump pack to the front drive unit oil pump.
8. Press and hold the button on the oil pump switchbox until oil stops pumping out.
9. Wait 60 seconds, and then once again press and hold the button on the oil pump switchbox until oil stops pumping out.
10.  Disconnect the oil pump switchbox and XP-10 jump pack from the front drive unit oil pump.

11. Disconnect the fluid evacuator tube from the oil drain adapter.

12. Remove the oil drain adapter from the front drive unit oil filter housing.

 Caution: If the oil drain adapter o-ring seal transferred to the front drive unit oil filter housing, place the seal back on the oil drain adapter.

13. Apply a light coat of ATF-9 to the o-ring seal on a new oil filter, and then install the filter on the front drive unit oil filter housing. Torque 3 Nm + 135 degrees

Gearbox Fluid - Front Drive Unit - Refill

Refill

1. Remove the fill plug.

2. Place the oil fill tool in the fill port, and then open the valve.
3. Fill the front drive unit with 1.75 liters of ATF-9 fluid.

4. Close the valve, and then remove the oil fill tool from the front drive unit.

5. Install the single tube extractor to the fill port. Thread the nut into the front drive unit fill port and aim the hose fitting downwards.

6. Connect a Mitivac hose line to the extractor.

7. Verify that the valve is closed, and then attach a shop air supply line to the Mitivac.

8. Connect the oil pump switchbox and XP-10 jump pack to the oil pump.
9. Press and hold the button on the oil pump switchbox for 60 seconds.

10. Wait 60 seconds for the gearbox fluid to settle, and then open the Mitivac valve to draw vacuum.

11. Once air is visible in the extraction hose, close the Mitivac valve and remove the shop air supply line from the Mitivac.

12. Remove the Mitivac hose line from the extractor, and then remove the single tube extractor from the fill port.
13. Install the dipstick special tool in the fill port.
14. Press and hold the button on the oil pump switchbox for 60 seconds.
15. Wait 60 seconds for the gearbox fluid to settle.
16. Pull out the dipstick and verify that the gearbox fluid is between the two marks. Make fluid level adjustments, if necessary.

17. Install the fill plug on the front drive unit. Torque 15 Nm
18. Remove the oil drain container from underneath the drive unit.

19. Disconnect the oil pump switchbox and XP-10 jump pack from the oil pump.

20. Connect the oil pump connector, and then engage the locking tab.

 Important: Perform a push-pull test to verify that the connector is fully attached.

21. Install the front aero shield panel. See Panel - Aero Shield - Front (Remove and Replace).
22. Lower the vehicle.