Tesla Model 3: Oil Pump - Rear Drive Unit(Remove and Replace)

Remove
- Disconnect 12V power. See
12V Power (Disconnect and Connect).
- Drain the gearbox fluid from the rear drive unit. See
Gearbox Fluid - Rear Drive Unit (Drain and Refill).

- Remove the bolts that attach the oil pump to the rear drive unit, and
then remove the pump from the rear drive unit.
- Use a pry tool to lever against the rear drive unit to loosen the oil
pump.
- Remove the oil pump from the rear drive unit assembly.

Install
- Lightly coat the oil pump O-rings with clean ATF-9 fluid.
- Install the oil pump into the rear drive unit, and then install the
bolts that attach the oil pump to the rear drive unit.
Torque 5 Nm + 20 degrees
- Refill the gearbox fluid for the rear drive unit fluid. See
Gearbox Fluid - Rear Drive Unit (Drain and Refill).
- Connect 12V power. See
12V Power (Disconnect and Connect).
- Use Toolbox to update the vehicle firmware.
READ NEXT:
SPECIAL TOOLS
Tool, Oil Pump Screen Removal, Model 3 (1140378-00-A)
Remove
Remove the oil pump. See
Oil Pump - Rear Drive Unit (Remove and Replace).
Use the special tool to remove the oil sc
SPECIAL TOOLS
Adapter, Coolant Reservoir Pressure Test (1130942-00-B)
Install Tool, Output Seal, Model 3 (1131206-00-A)
Remove
Remove the LH rear drive unit halfshaft. See
Halfshaft - Rear Driv
SEE MORE:
Remove
Remove the front subframe assembly. See
Subframe Assembly - Front (Dual Motor) (Remove and Install)
Release the clip that connects the front drive unit inverter-heat
exchanger hose to the heat exchanger coolant inle
Release the clips that attach the front drive unit inverter-
Remove
Remove the front fascia assembly. See
Fascia - Front (Remove and Install).
Disconnect the connector from the battery backed siren.
Remove the bolt that attaches the battery backed siren to the front end
carrier, and then remove the siren from the vehicle.
Torque 12 Nm