23/05/2024 06:52:49

Mount - Rear Drive Unit - LH (3DU) (Remove and Replace)

Correction code 4001020022 FRT 2.28 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.

  • 2023-12-11: Updated last step with cross reference to Alignment Requirement Tables.
  • 1129348-00-A XP-10 Power Supply, XP-10
  • 1099645-00-B Fixture, Subframe, Model 3
  • 1140311-00-A Lever Lock, HV Connector, Model 3
Warning IconA warning icon, calling your attention to a possibly risky situation
Warning
To reduce the risk of personal injury, use appropriate equipment while performing this operation.

Remove

  1. Raise and support the vehicle. See GUID-0ECF2493-88F6-48E9-ADBB-9AE1D52E217C.html.
  2. Remove the rear underhood apron. See Underhood Apron - Rear (Remove and Replace).
  3. Unlock the gateway. See Gateway Unlock.
  4. Touch Service Mode > Thermal > Refrigerant System > Start Thermal Fill Drain (Coolant + Refrigerant) on the touchscreen to start the routine and allow the routine to complete.
  5. Disconnect the LV power. See LV Battery - Li-lon (Disconnect and Connect).
  6. Remove the 2nd row lower seat cushion. See Seat Cushion - 2nd Row (Remove and Replace).
  7. Perform Vehicle HV Disablement Procedure. See Vehicle HV Disablement Procedure.
  8. Remove the LH and RH wheels. See Wheel Assembly (Remove and Install).
  9. Remove the rear aero shield panel. See Panel - Aero Shield - Rear (Remove and Replace).
  10. Remove the LH and RH rear suspension covers. See Cover - Rear Suspension - LH (Remove and Replace).
  11. Remove the rear fascia. See Fascia Assembly - Rear \(Remove and Install\).
  12. Disconnect the RH subframe harness electrical connector.
  13. Use a clip prytool to release the clip that attaches the RH subframe harness to the body.
  14. Remove the nut that attaches the rear drive unit ground strap to the body.
  15. Remove the stabilizer bar. See .
  16. Remove the rear HV battery skid plate. See Skid Plate - HV Battery - Rear (Remove and Replace).
  17. Remove the rear drive unit inlet hose. See Hose - Inlet - Rear Drive Unit Inverter (Remove and Replace).
  18. Remove the HV battery to the rear drive unit harness. See HV Harness - HV Battery to Rear Drive Unit (Remove and Replace).
  19. Position the rear subframe lifting tool beneath the rear subframe.
  20. Attach an air hose to the rear subframe lifting tool.
  21. With an assistant, raise the rear subframe lifting tool to support the rear subframe.
  22. Loop the straps over the rear subframe, hook the ends of the straps to the metal rings, and then pull the straps tight to restrain the subframe to the rear subframe lifting tool.
    Informational PurposesAn informational icon, calling your attention
    Note
    Lower the vehicle to give more slack to connect the straps to the rings, if necessary.
  23. Mark the LH and RH rear subframe bolts for realignment during installation.
    Figure 1. LH shown; RH similar
  24. Remove the LH and RH rear subframe front shear plates. See Shear Plate - Rear Subframe - LH (Remove and Replace).
  25. Remove and discard the LH and RH bolts that attach the rear subframe to the body.
    Figure 2. LH shown; RH similar
  26. With an assistant, slowly lower the rear subframe and rear drive unit about 3.25 in (8.25 cm) from the vehicle.
  27. Tilt the subframe fixture forward to access the breather.
  28. Support the center of the rear drive unit with rubber or wood blocks.
  29. Use a clip pry tool to release the clip that attaches the rear drive unit ground strap to the rear subframe.
  30. Release the clip that attaches the inverter to oil cooler hose to the LH mount.
  31. Release the clip that attaches the inverter to oil cooler hose to the inverter fitting, and remove the hose from the inverter.
  32. Remove and discard the bolt that attach the LH mount to the subframe.
  33. Remove the bolts (x3) that attach the LH mount to the rear drive unit, and remove the mount from the rear drive unit.

Install

Warning IconA warning icon, calling your attention to a possibly risky situation
CAUTION

Replace all patchbolts.

Warning IconA warning icon, calling your attention to a possibly risky situation
CAUTION

Replace all nyloc nuts.

  1. Install the LH rear drive unit mount to the rear drive unit, and then hand-tighten the bolts (x3) that attach the mount to the rear drive unit.
  2. Tighten the bolts in a two-step, counter-clockwise pattern, starting with the upper-right bolt.
    35 Nm (25.8 lbs-ft) +55 deg
  3. Install a new nut and bolt to attach the LH mount to the subframe.
    80 Nm (59.0 lbs-ft)
  4. Connect the inverter to oil cooler hose to the inverter fitting, and then fasten the clip that attaches the hose to the fitting.
    Warning IconA warning icon, calling your attention to a possibly risky situation
    CAUTION
    Perform a push-pull test to verify that the hose is fully seated.
  5. Fasten the clip that attaches the inverter to oil cooler hose to the LH mount.
  6. Fasten the clip that attaches the rear drive unit ground strap to the rear subframe.
  7. Remove the rubber or wood blocks that support the center of the rear drive unit.
  8. Return the subframe fixture to its original position.
  9. Raise the rear subframe and rear drive unit.
  10. Hand-tighten the LH and RH bolts that attach the rear subframe to the body.
    Figure 3. LH shown; RH similar
  11. Install the LH and RH rear subframe front shear plates. See Shear Plate - Rear Subframe - LH (Remove and Replace).
  12. Position the subframe to the locations as marked during removal.
  13. Torque the LH and RH bolts that attach the rear subframe to the body, and then mark them with a paint pen after torquing.
    165 Nm (121.7 lbs-ft)
    Figure 4. LH shown; RH similar
  14. Lower the rear subframe lifting tool from the vehicle.
  15. Disconnect the air hose from the rear subframe lifting tool.
  16. Remove the subframe lifting tool from the vehicle.
  17. Install the HV battery to the rear drive unit harness. See HV Harness - HV Battery to Rear Drive Unit (Remove and Replace).
  18. Install the rear drive unit inlet hose. See Hose - Inlet - Rear Drive Unit Inverter (Remove and Replace).
  19. Install the rear HV battery skid plate. See Skid Plate - HV Battery - Rear (Remove and Replace).
  20. Install the stabilizer bar. See .
  21. Install the nut that attaches the rear drive unit ground strap to the body.
    10 Nm (7.4 lbs-ft)
  22. Fasten the clip that attaches the RH subframe harness to the body.
  23. Connect the RH subframe harness electrical connector.
  24. Install the rear fascia. See Fascia Assembly - Rear \(Remove and Install\).
  25. Install the LH and RH rear suspension covers. See Cover - Rear Suspension - LH (Remove and Replace).
  26. Install the rear aero shield panel. See Panel - Aero Shield - Rear (Remove and Replace).
  27. Perform the vacuum refill procedure. See Cooling System - Vacuum Refill.
  28. Install the LH and RH wheels. See Wheel Assembly (Remove and Install).
  29. Install the 2nd row lower seat cushion. See Seat Cushion - 2nd Row (Remove and Replace).
  30. Connect the LV power. See LV Battery - Li-lon (Disconnect and Connect).
  31. Install the rear underhood apron. See Underhood Apron - Rear (Remove and Replace).
  32. Install the LH and RH rear wheels. See Wheel Assembly (Remove and Install).
  33. Remove the vehicle from the 2 post lift. See .
  34. In this procedure, the front or rear subframe was removed and reinstalled. Therefore, refer to the Alignment Requirement tables to determine whether an EPAS alignment check (EC) or four wheel alignment check (AC) is necessary. If performed, add the alignment check/adjust as a separate activity. See Alignment Requirement - Suspension.