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 HVAC assembly. See
HVAC Assembly (Remove and Replace).
Disconnect the electrical harness from the intake actuator connector.
Remove the screws (x2) that attach the intake actuator to the HVAC
module, and then remove the actuator from the HVAC module.
Torque 1.2 N
Door Assembly - Charge Port (China) - Remove
SPECIAL TOOLS
Insulation Multimeter, Fluke 1508 (1076921-01-B)
Test Probes, Slim, Fluke TP38 (1130480-00-A)