REAR DRIVE INVERTER - 4DU (Remove and Replace)
Correction code
4020010302
FRT
2.30
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 wearing proper PPE when performing the below procedure.
Torque Specifications
Description | Torque Value | Recommended Tools | Reuse/Replace | Notes |
---|---|---|---|---|
Bolts (X3) securing the rear drive unit 3 phase cable for inverter and motor |
![]() 5 Nm (3.7 lbs-ft) + 40 degrees |
|
Replace | |
Bolts (X9) securing the RDU inverter to gearbox assembly |
![]() 12.5 Nm (9.2 lbs-ft) |
|
Replace |
Remove
- Remove the phase out cover from rear drive unit. See COVER- PHASE OUT - 4DU (Remove and Replace).
-
Remove bolts securing the rear drive
unit 3 phase cable for inverter and motor.
TIpUse of the following tool(s) is recommended:
- 4 in extension
- 10 mm socket
- Cordless Ratchet/Impact Driver
-
Remove bolts securing the rear drive
unit inverter to gearbox assembly.
TIpUse of the following tool(s) is recommended:
- Cordless Ratchet/Impact Driver
- 4 in extension
- External Torx Plus EP10
-
Remove inverter from drive unit and
drain coolant.
NoteInverter to be removed down between the drive unit and subframe, gasket is one time use, careful not to damage the PCBA during removal, discard the gasket after removal.
-
Place drive inverter on ESD mat.
NoteCarefully place inverter on ESD safe mat, do not place inverter facing downwards on the circuit board as it is fragile.
- Remove ESD wrist strap from inverter housing.
Install
-
Secure ESD strap to inverter
housing.
NoteClipping location can vary, as long as clip is making proper contact with metal housing.
- Clean mating surfaces of the phase lugs and inverter.
-
Position the inverter with gasket to
rear drive unit.
NoteManeuver rear inverter into position, take caution when maneuvering between subframe do not damage the circuit board, make sure the 3 phase cables and guides align during installation, install new gasket.
-
Install fasteners securing inverter to
gearbox assembly.
TIpUse of the following tool(s) is recommended:
- Cordless Ratchet/Impact Driver
- 4 in extension
- External Torx Plus EP10
NoteHand tight, torque at a later step. -
Torque fasteners securing inverter to
gearbox assembly.12.5 Nm (9.2 lbs-ft)TIpUse of the following tool(s) is recommended:
- Cordless Ratchet/Impact Driver
- 4 in extension
- External Torx Plus EP10
-
Install bolts securing the rear drive unit 3 phase cable for inverter and motor.5 Nm (3.7 lbs-ft) + 40 degreesTIpUse of the following tool(s) is recommended:
- 4 in extension
- 10 mm socket
- Cordless Ratchet/Impact Driver
- Install the phase out cover to rear drive unit. See COVER- PHASE OUT - 4DU (Remove and Replace).
- Connect an LV maintainer. See .
- Unlock the vehicle gateway. See .
- On the touchscreen, tap Service mode Plus , and then allow the routine to complete.
- Select Runto allow the routine to complete. , click
- Select Runto allow the routine to complete. , click
- Select Runto allow the routine to complete,then click Close. , click
- Select Restore Application Data, and then click Runto allow the routine to complete, then click Close.
- Select Immobilizer/ODO Pairing, and then click Runto allow the routine to complete, then click Close.
- Select Coolant Air Purge, and then click Runto allow the routine to complete.
- Disconnect the LV maintainer. See .
- Connect the LV battery power. See .
-
Inspect the coolant level, top off as necessary, and then install the coolant bottle
cap.
NoteEnsure that the coolant level is at the "Max" line.
- Install the HEPA filter assembly See HEPA FILTER (Remove and Replace).
- Install the rear underhood apron. See .
- Select Thermal system Test , and then click Runto allow the routine to complete.
- Place stanchions around vehicle and set up a safety perimeter before performing resolver error learn.
- Select Resolver Error Learn, and then click Runto allow the routine to complete.
- Disable Service Mode. See .
- Remove safety stanchions from around vehicle after resolver learn is completed.
- Lower vehicle fully.
- Raise all windows and close all doors.
- Remove the lift arms from below the vehicle.
- Review wheel alignment requirements and add correction code as needed.