23/05/2024 07:16:01

Mount - Rear Drive Unit - LH (4DU) (Remove and Replace)

Correction code 4001010092 FRT 2.16 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.

Remove

  1. Inspect the vehicle for abnormal tire wear that might indicate the need for a wheel alignment. Note any findings.
  2. Raise and support the vehicle. See GUID-0ECF2493-88F6-48E9-ADBB-9AE1D52E217C.html.
  3. Open all doors and lower all windows.
  4. Enter Service Mode. See Service Mode.
  5. Unlock the vehicle gateway. See Gateway Unlock.
  6. Tap Store Application Data, tap Run, and allow the routine to complete.
  7. On the touchscreen, tap the Service Mode "wrench" (at the bottom of the touchscreen UI), and then tap Thermal > Coolant System > Coolant Fill/Drain, tap Run, and allow the routine to complete.
  8. Remove the rear underhood apron. See Underhood Apron - Rear (Remove and Replace).
  9. Disconnect LV power. See LV Battery - Li-lon (Disconnect and Connect).
  10. Remove the fresh air gutter. See Assembly - Fresh Air Gutter - HVAC (Remove and Replace).
  11. Remove the 2nd row lower seat cushion, See Seat Cushion - 2nd Row (Remove and Replace).
  12. Perform Vehicle HV Disablement Procedure. See Vehicle HV Disablement Procedure.
  13. Remove the rear wheels. See Wheel Assembly (Remove and Install).
  14. Remove the rear aero shield panel, See Panel - Aero Shield - Rear (Remove and Replace).
  15. Remove the LH and RH rear suspension covers. See Cover - Rear Suspension - LH (Remove and Replace).
  16. Remove the rear fascia assembly. See Fascia Assembly - Rear \(Remove and Install\).
  17. Remove the nut that attaches the rear drive unit ground strap to the body.
    Tip: Use of the following tool(s) is recommended:
    • 10 mm 12-point deep socket
    • Ratchet/torque wrench
  18. Disconnect the RH subframe harness electrical connector.
  19. Remove the RH side subframe harness clips (x2) from body.
  20. Remove and discard the nuts (x2) that attach the stabilizer bar to the end links, and then remove the stabilizer bar from the end links.
    Informational PurposesAn informational icon, calling your attention
    Note
    Loosen the nut first, and then continue to remove the nut by counter-holding the ball joint with a hex wrench.
    Informational PurposesAn informational icon, calling your attention
    Note
    Might need to move the rear stabilizer bar up/down to get the correct angle in order to remove the end links.
    Tip: Use of the following tool(s) is recommended:
    • 15 mm socket
    • Flex head ratchet/flex head torque wrench
  21. Release clips (x4) that secure the coolant hoses to LH and RH shear plates.
    Figure 1. LH Shown, RH Similar
  22. Remove the HV battery rear skid plate enclosure. See Skid Plate - HV Battery - Rear (Remove and Replace).
  23. Remove the rear drive unit inverter inlet hose. See Hose - Inlet - Rear Drive Unit Inverter (Remove and Replace).
  24. Release the rear drive unit logic connection.
    Informational PurposesAn informational icon, calling your attention
    Note
    Do not get coolant ingress into this connector. Move the connector aside as needed.
  25. Release the rear drive unit logic connection clip.
  26. Remove the rear drive unit HV harness assembly. See HV Harness - HV Battery to Rear Drive Unit (Remove and Replace).
  27. Remove coolant drain container from underneath vehicle.
  28. Place the subframe lifting tool into position underneath the rear subframe.
  29. Connect the air supply to the subframe lifting tool.
  30. Raise the subframe lifting tool to support the rear subframe, and then with the help of an assistant, fully secure the straps (x3) that attach the rear subframe to the subframe lifting tool.
    Informational PurposesAn informational icon, calling your attention
    Note
    3x straps, Attach metal hooks at the end of straps to rings on subframe lifting tool and pull straps until secure, Lower the vehicle if necessary, Recommend assistance.
  31. Use a paint pen to trace around the LH and RH rear subframe mounting bolts, so that the bolts can be realigned later during the subframe installation.
  32. Use a paint pen to apply a witness mark where the rear subframe contacts the body at the LH and RH rear subframe mounting bolts, so that the subframe can be realigned to the body later during subframe installation.
  33. Remove the LH and RH shear plates. See Shear Plate - Rear Subframe - LH (Remove and Replace).
  34. Remove and discard the LH rear subframe bolt that attaches the subframe to the body.
    Tip: Use of the following tool(s) is recommended:
    • 21 mm socket
  35. Remove and discard the LH rear subframe bolt that attaches the subframe to the body.
    Tip: Use of the following tool(s) is recommended:
    • 21 mm socket
  36. Partially lower the rear subframe and drive unit assembly.
    Informational PurposesAn informational icon, calling your attention
    Note
    Lower the subframe partially, Use caution while lowering subframe as multiple components are still attached, Do not overstrain these components, The dampers and brake calipers are still connected, Recommend lowering about 3.25in or 8.25cm.
  37. Tilt the subframe fixture forward.
    Informational PurposesAn informational icon, calling your attention
    Note
    Adjust the powertrain lift and tilt it forward in order to access motor mount fasteners.
  38. Support center of the RDU with protective block.
    Informational PurposesAn informational icon, calling your attention
    Note
    Using a rubber or wood block to support. Do not damage the drive unit.
  39. Release rear drive unit ground strap clip from the subframe.
  40. Release the clip that attach the inverter to the cooler hose.
  41. Release the clips (x2) that attach rear drive unit inverter to the oil cooler hose.
  42. Remove the LH mount bolt that attach the rear drive unit LH mount to the subframe.
    Informational PurposesAn informational icon, calling your attention
    Note
    Use a pry bar between the block and rear drive unit to unload the bolt so that it can be removed.
    Tip: Use of the following tool(s) is recommended:
    • 18 mm socket
    • Ratchet/torque wrench
  43. Remove and discard the bolts (x3) that attach the rear drive unit LH mount to the rear drive unit.
    Informational PurposesAn informational icon, calling your attention
    Note
    Use of the following tool(s) is recommended:
    • External Torx Plus EP14
  44. Release the clip, disconnect the rear drive unit inverter to heat exchanger hose from the rear drive unit inverter outlet, and then immediately plug both fitting.
  45. Remove the rear drive unit LH mount up, over, and out between the rear subframe and the body.

Install

  1. Install the rear drive unit LH mount in, over, and down between the rear subframe and the body.
  2. Remove the plugs from the fittings, immediately connect the rear drive unit inverter to heat exchanger hose to the rear drive unit inverter outlet, fasten the clip, and then perform a Push-Pull-Push check of the fitting.
  3. Install the rear drive unit LH mount to the rear drive unit, and then install and hand-tighten new bolts (x3) to attach the mount to the drive unit.
    Informational PurposesAn informational icon, calling your attention
    Note
    Follow the sequence shown in image to hand-tighten the bolts.
  4. Tighten the bolts (x3) that attach the rear drive unit LH mount to the rear drive unit in the sequence shown.
    35 Nm (25.8 lbs-ft) +55 deg
    Informational PurposesAn informational icon, calling your attention
    Note
    Use of the following tool(s) is recommended:
    • External Torx Plus EP14
  5. Install the LH mount bolt that attaches the rear drive unit LH mount to the rear subframe.
    80 Nm (59.0 lbs-ft)
    Informational PurposesAn informational icon, calling your attention
    Note
    Use a pry bar between the block and rear drive unit to position the mount so that the bolt can be installed.
    Tip: Use of the following tool(s) is recommended:
    • 18 mm socket
    • Ratchet/torque wrench
  6. Fasten the clips (x2) that attach the rear drive unit inverter to heat exchanger hose to the rear drive unit.
  7. Fasten the clip that attaches the rear drive unit inverter to the coolant hose.
  8. Fasten the clip that attaches the rear drive unit ground strap to the rear subframe.
  9. Remove the block from between the rear drive unit and the subframe fixture.
  10. Tilt the subframe fixture backward to its original position.
  11. Carefully raise the subframe and rear drive unit assembly until they are up against the body.
    Warning IconA warning icon, calling your attention to a possibly risky situation
    CAUTION
    Be mindful of the suspension and brake components that are still attached to both the subframe and the body.
  12. Install and hand-tighten a new RH rear subframe bolt to attach the rear subframe to the body.
  13. Install and hand-tighten a new LH rear subframe bolt to attach the rear subframe to the body.
  14. Install the LH and RH shear plates. See Shear Plate - Rear Subframe - LH (Remove and Replace).
    Informational PurposesAn informational icon, calling your attention
    Note
    No not tighten the bolts (x6) that attch the LH and RH shear plate to the body yet.
  15. Use a pry bar to shimmy the rear subframe with respect to the body, so that the subframe mounting bolts are centered in the tracings, and the witness marks align where the subframe contacts the body.
  16. Tighten the RH rear subframe bolt that attaches the rear subframe to the body, and then mark the bolt after tightenting.
    165 Nm (121.7 lbs-ft)
    Tip: Use of the following tool(s) is recommended:
    • 21 mm socket
  17. Tighten the LH rear subframe bolt that attaches the rear subframe to the body, and then mark the bolt after tightenting.
    165 Nm (121.7 lbs-ft)
    Tip: Use of the following tool(s) is recommended:
    • 21 mm socket
  18. Tighten the bolts (x6) that attach the LH and RH shear plates to the body. See Shear Plate - Rear Subframe - LH (Remove and Replace).
  19. Release the straps (x3) that attach the rear subframe to the subframe lifting tool.
  20. Disconnect the air supply from the subframe lifting tool.
  21. Lower the subframe lifting tool, and move it out from under the vehicle.
  22. Install the rear drive unit HV harness assembly. See HV Harness - HV Battery to Rear Drive Unit (Remove and Replace).
  23. Verify there is no coolant ingress in the rear drive unit logic connector, and then secure the connector.
  24. Secure the rear drive unit logic connection clip.
  25. Position the coolant drain container underneath the LH rear of HV battery.
  26. Install the rear drive unit inverter inlet hose. See Hose - Inlet - Rear Drive Unit Inverter (Remove and Replace).
  27. Install the high voltage skid plate. See Skid Plate - HV Battery - Rear (Remove and Replace).
  28. Install the clips (x4) that attach the coolant hoses to the LH and RH shear plates.
  29. Align the LH and RH end links with the rear stabilizer bar.
    Informational PurposesAn informational icon, calling your attention
    Note
    Move the rear stabilizer bar up/down to get the correct angle to install the rear link.
  30. Install new nuts that attaches the stabilizer bar to the LH and RH end links. Mark the nut with a paint pen.
    55 Nm (40.6 lbs-ft)
    Informational PurposesAn informational icon, calling your attention
    Note
    Counter-hold the ball joint with a hex wrench.
    Tip: Use of the following tool(s) is recommended:
    • 15 mm socket
    • Flex head ratchet/flex head torque wrench
  31. Install the RH side subframe harness clips (x2) to body.
  32. Connect the RH side subframe harness connector.
  33. Lower the vehicle to a comfortable working height and set the lift onto locks.
  34. Install the nut that secures the rear drive unit ground strap to vehicle.
    10 Nm (7.4 lbs-ft)
    Informational PurposesAn informational icon, calling your attention
    Note
    The nut is located at the LH rear wheel well area. If equipped, re-install the washer as well.
    Tip: Use of the following tool(s) is recommended:
    • Ratchet/torque wrench
    • 10 mm 12-point deep socket
  35. Install the rear fascia assembly. See Fascia Assembly - Rear \(Remove and Install\).
  36. Install the LH and RH rear suspension covers. See Cover - Rear Suspension - LH (Remove and Replace).
  37. Remove the rear aero shield panel, See Panel - Aero Shield - Rear (Remove and Replace).
  38. Install rear wheels. See Wheel Assembly (Remove and Install).
  39. Install the 2nd row lower seat cushion. See Seat Cushion - 2nd Row (Remove and Replace).
  40. Perform a cooling system vacuum refill. See Cooling System - Vacuum Refill.
  41. Connect LV power. See LV Battery - Li-lon (Disconnect and Connect).
  42. Unlock the vehicle gateway. See Gateway Unlock.
  43. On the touchscreen, tap the Service Mode "wrench" (at the bottom of the touchscreen UI), and then tap High Voltage > Procedures > Rear Drive Inverter Replacement > Stop Fluid Fill/Drain, tap Run, and allow the routine to complete.
  44. Tap Coolant Air Purge, tap Run, and allow the routine to complete.
  45. Inspect the coolant level, top off as necessary, and then install the coolant bottle cap.
    Informational PurposesAn informational icon, calling your attention
    Note
    Ensure that the coolant level is at the "Max" line.
  46. On the touchscreen, tap the Service Mode "wrench" (at the bottom of the touchscreen UI), and then tap Thermal > Actions, then click the START button next to Test Thermal Performance, click Run, and allow the routine to complete.
  47. Select the START button next to Test HVAC Performance, click Run, and then allow the routine to complete.
  48. Install the fresh air gutter. See Assembly - Fresh Air Gutter - HVAC (Remove and Replace).
  49. Install the rear underhood apron. See Underhood Apron - Rear (Remove and Replace).
  50. Exit Service Mode. See Service Mode.
  51. Raise all windows and close all doors.
  52. Remove the vehicle from the lift.
  53. Review wheel alignment requirements and add correction code as needed.