Tesla Model 3: Drive Unit - Rear- Remove

 

SPECIAL TOOLS

Fixture, Subframe, Model 3 (1099645-00-B)

Lifting Sling, Drive Unit, Model 3 (NA, APAC) (1130279-00-A)

Adapter, Subframe, Body Shop, Model 3 (1130481-00-A)

Tool, Hub Puller, Hydraulic (1096075-00-A)

Tool, Axle Extraction, Model 3 (1133386-00-A)

Lever Lock, HV Connector, Model 3 (1140311-00-A)

Kit, Drive Unit Dipstick, Model 3 (1446276-00-B)

Remove

1. Remove the rear subframe assembly. See Subframe Assembly - Rear (Remove and Install).

 

2. Disconnect the electrical harness from the inverter low voltage connector.

 

3. Release the clip that attaches the low voltage electrical harness to the inverter.

 

4. Release the clip, disconnect the rear drive unit inlet hose from the inverter coolant inlet, and then plug the inlet.

 

5. Release the clip that attaches the rear drive unit inlet hose to the HV harness bracket, and then remove the hose from the rear drive unit.

 

6. Remove the bolt that attaches the HV harness bracket to the inverter.

 

7. Slide the release to unlock the HV harness connector.

 

8. Lift the handle on HV harness connector, disconnect the harness from the inverter connector, and then remove the harness from the rear drive unit.
9. Drain the fluid from the rear drive unit. See Gearbox Fluid - Rear Drive Unit (Drain and Refill).

 

10. Release the clip that attaches the LH rear ABS wheel speed sensor connector to the subframe, and then disconnect the subframe harness from the connector.

 Tip: Use a mechanical pickup tool to hold the connector in place, and then release the connector clip with a screwdriver.

 

11. Release the clip and remove the grommet that attach the rear LH ABS wheel speed sensor cable to the rear knuckle and bracket.

 

12. Remove and discard the bolt that attaches the rear LH ABS wheel speed sensor to the knuckle, and then remove the sensor from the knuckle.

 

13. Remove and discard the nut, and then remove the washer that attach the LH halfshaft to the hub assembly.

 

14. Remove the bolt that attaches the LH rear brake rotor to the hub. Note: Remove the lug nut previously installed for early production vehicles.
15. Install the hub puller onto the LH rear rotor, and then install and hand-tighten the puller washers (x5) and the lug nuts (x5) onto the rotor studs.
16. Use the hub puller to free the LH rear halfshaft from the hub splines. Note: The LH rear halfshaft is removed in a later step.
17. Remove the lug nuts (x5) and the puller washers (x5) from the LH rear rotor studs, and then remove the hub puller from the rotor.

 

18. Install the bolt that attaches the LH brake rotor to the hub. Torque 5 Nm

 Note: Reinstall the lug nut previously installed for early production vehicles.

 

19. Remove the bolt and nut that attach the LH upper aft link to the knuckle.

 

20. Remove the bolt and nut that attach the LH upper fore link to the knuckle.

 

21. Remove the bolt and nut that attach the LH rear toe link to the knuckle.
22. Remove the LH rear halfshaft from the knuckle and hub assembly.
23. With an assistant, release the LH rear halfshaft from the rear drive unit. Note: Set the LH rear halfshaft on the LH aft lower control arm.
24. Remove the LH halfshaft from the rear drive unit, and then install a halfshaft plug into the opening of the gearbox.
25. Repeat step 10 through step 24 on the RH side of the rear drive unit.

 

26. Disconnect the electrical harness from the resolver connector.

 

27. Disconnect the electrical harness from the oil pump connector.
28. Attach the drive unit sling tool to the rear drive unit.
29. Position the drive unit stand underneath the gantry.
30. Attach the drive unit sling tool to the gantry.
31. Raise the sling tool so that there is a slight tension on the cables.

   

32. Remove the bolt and nut that attach the LH mount of the rear drive unit to the rear subframe.

   

33. Remove the bolt and nut that attach the RH bushing of the rear drive unit to the rear subframe.

 

34. Remove the bolt and nut that attach the rear bushing of the rear drive unit to the rear subframe.
35. Raise the drive unit sling tool to lift the rear drive unit out of the rear subframe.
36. Lower the rear drive unit into an empty crate or pallet.
37. Remove the drive unit sling tool from the rear drive unit.

READ NEXT: