25/11/2024 05:18:22

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

Correction code 40012002 3.84 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 proper PPE is worn when performing the below procedure.

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Warning
This procedure is a DRAFT. Although it has been validated, Warnings and Cautions might be missing. Follow safety requirements and use extreme caution when working on or near High Voltage systems and components. Provide corrections and feedback to ServiceDevelopment@teslamotors.com.

Remove

  1. Move the vehicle to a 2 post lift. See Raise Vehicle - 2 Post Lift.
  2. Release the electronic parking brake. See Park Brake Caliper - Release.
  3. Remove the rear underhood apron. See Underhood Apron - Rear (Remove and Replace).
  4. Disconnect LV power. See LV Power (Disconnect and Connect).
  5. Remove the mid aero shield panel. See Panel - Aero Shield - Mid (Remove and Replace).
  6. Perform Vehicle HV Disablement Procedure. See Vehicle HV Disablement Procedure.
  7. Remove the leather glove protectors and HV insulating gloves.
  8. Remove the rear fascia diffuser. See .
  9. Remove the rear wheels. See Wheel Assembly (Remove and Install).
  10. Remove the rear subframe. See Subframe Assembly - Rear (Remove and Install).
  11. Remove the bolts (x4) that attach the rear subframe stiffener to the rear subframe, and then remove the stiffener from the subframe.
    Tip: Use of the following tool(s) is recommended:
    • 16 mm socket
  12. Remove the bolt and release the clips (x2) that attach the ground strap to the rear drive unit and rear subframe, and then remove the ground strap from the subframe.
    Tip: Use of the following tool(s) is recommended:
    • 10 mm socket
  13. Pull on red release tab, pull tab again to disconnect the rear subframe electrical harness from the rear drive unit resolver connector, release the clips (x2) that attach the electrical harness to the RH side of the rear drive unit, and move the electrical harness aside.
  14. Press the locking tab, disconnect the rear subframe electrical harness from the logic connector, release the clip that attaches the electrical harness to the LH side of the rear drive unit, and move the electrical harness aside.
  15. Remove the bolt that attaches the LH rear ride height sensor to the suspension arm.
    Tip: Use of the following tool(s) is recommended:
    • 10 mm socket
  16. Remove the bolts (x2) that attach the LH upper aft link to the rear subframe.
    Tip: Use of the following tool(s) is recommended:
    • 16 mm socket
  17. Remove the bolts (x2) that attach the LH upper fore link to the rear subframe.
    Tip: Use of the following tool(s) is recommended:
    • 16 mm socket
  18. Remove the bolts (x2) that attach the LH toe link to the rear subframe.
    Informational PurposesAn informational icon, calling your attention
    Note
    Support the knuckle while removing.
    Tip: Use of the following tool(s) is recommended:
    • 16 mm socket
  19. Install the axle removal tool around the inner joint of the LH rear halfshaft.
    Informational PurposesAn informational icon, calling your attention
    Note
    Make sure that the cable loop is not wrapped around the inner boot.
  20. Use the slide hammer to release the LH rear halfshaft from the rear drive unit.
  21. Repeat step 17 through step 22 for the RH side of the vehicle.
  22. Remove the clips (x2) that attach the powertrain return hose to the subframe.
  23. Remove the clips (x2) that attach the powertrain supply hose to the subframe.
  24. Position the subframe lift underneath the gantry.
  25. Use the hooks (x3) to attach the drive unit sling tool to the rear drive unit.
  26. Attach the drive unit sling tool to the gantry.
  27. Use the gantry to raise the drive unit sling tool so that there is slight tension in the cables.
  28. Remove the bolt that attaches the rear drive unit to the LH side of the rear subframe.
    Tip: Use of the following tool(s) is recommended:
    • External Torx E18
  29. Remove the bolt that attaches the rear drive unit to the RH side of the rear subframe.
    Tip: Use of the following tool(s) is recommended:
    • External Torx E18
  30. Remove the bolt that attaches the rear drive unit to the rear of the rear subframe.
    Tip: Use of the following tool(s) is recommended:
    • External Torx E18
  31. With the help of an assistant, use the gantry to raise the rear drive unit sling tool, guide halfshafts away from the rear drive unit, and separate the rear drive unit up from the rear subframe.
  32. Move the rear subframe and subframe lift out from underneath the rear drive unit.
  33. Place a coolant catcher below the rear drive unit.
  34. Secure the rear drive unit HV harness away from the draining coolant.
  35. Release the spring clip, disconnect the inverter to oil cooler hose from the rear drive inverter, and then allow the coolant to drain.
    Informational PurposesAn informational icon, calling your attention
    Note
    Plug the hose and inverter as needed.
  36. Remove the clip that attaches the inverter to oil cooler hose to the LH rear drive unit mount.
  37. Lower the rear drive unit onto an empty pallet, and then place a wood block under the stator to keep the assembly upright.
  38. Remove the bolts (x3) that attach the LH rear drive unit mount to the rear drive unit assembly, and then remove the mount from the assembly.
    35 Nm (25.8 lbs-ft) 55 degrees
    Tip: Use of the following tool(s) is recommended:
    • E14 socket

Install

  1. Position the LH rear drive unit mount to the rear drive unit assembly, and then install the bolts (x3) that attach the mount to the assembly.
    35 Nm (25.8 lbs-ft) 55 degrees
    Informational PurposesAn informational icon, calling your attention
    Note
    Follow the torque sequence in the image.
    Tip: Use of the following tool(s) is recommended:
    • E14 socket
  2. Raise the rear drive unit from the empty pallet.
  3. Install the clip that attaches the inverter to oil cooler hose to the LH rear drive unit mount.
  4. Remove the plugs, connect the inverter to oil cooler hose to the rear drive inverter, and then install the spring clip.
    Informational PurposesAn informational icon, calling your attention
    Note
    Perform a push-pull-push test to make sure the hose if fully seated.
  5. Release the rear drive unit HV harness.
  6. Remove the coolant catcher from under the rear drive unit.
  7. Move the rear subframe and subframe lift to underneath the rear drive unit.
  8. With the help of an assistant, use the gantry to lower the rear drive unit sling tool, guide halfshafts away from the rear drive unit, and lower the rear drive unit into the rear subframe.
  9. Lower the rear drive unit sling tool so as to install and hand tighten the bolt that attaches the rear drive unit to the rear of the rear subframe.
    Tip: Use of the following tool(s) is recommended:
    • External Torx E18
  10. Install and hand tighten the bolt that attaches the rear drive unit to the RH side of the rear subframe.
    Tip: Use of the following tool(s) is recommended:
    • External Torx E18
  11. Install and hand tighten the bolt that attaches the rear drive unit to the LH side of the rear subframe.
    Tip: Use of the following tool(s) is recommended:
    • External Torx E18
  12. Lower the drive unit sling tool to release tension in the cables, and then remove the sling tool from the gantry.
  13. Remove the hooks (x3), and then remove the drive unit sling tool from the rear drive unit.
  14. Tighten the rear drive unit mount bolts (x3).
    120 Nm (88.5 lbs-ft)
    Tip: Use of the following tool(s) is recommended:
    • External Torx E18
  15. Install the clips (x2) that attach the powertrain supply hose to the subframe.
  16. Install the clips (x2) that attach the powertrain return hose to the subframe.
  17. Continue installing the rear drive unit into the rear subframe. See Drive Unit - Rear (Remove and Install).
  18. Install the rear subframe into the vehicle. See Subframe Assembly - Rear (Remove and Install).
  19. Install the rear wheels. See Wheel Assembly (Remove and Install).
  20. Remove coolant bottle cap.
  21. Inspect the coolant level and top off as necessary.
    Informational PurposesAn informational icon, calling your attention
    Note
    Make sure the fluid level is at the Max line.
  22. Hold brake pedal and select park on the UI to disable EPB service mode.
  23. Perform the following routine using Service Mode or Toolbox (see 0005 - Service Modes): TEST_VCFRONT_X_THERMAL-COOLANT-AIR-PURGEvia Toolbox: (link)via Service Mode:
    • Thermal ➜ Actions ➜ Coolant Purge Stop or Coolant Purge Start
    • Thermal ➜ Coolant System ➜ Coolant Purge Start
    via Service Mode Plus:
    • Drive Inverter ➜ Front Drive Inverter Replacement ➜ Coolant Air Purge
    • Drive Inverter ➜ Rear Drive Inverter Replacement ➜ Coolant Air Purge
    • Drive Inverter ➜ Rear Left Drive Inverter Replacement ➜ Coolant Air Purge
    • Drive Inverter ➜ Rear Right Drive Inverter Replacement ➜ Coolant Air Purge
    • Drive Unit ➜ Front Drive Unit Replacement ➜ Coolant Air Purge
    • Drive Unit ➜ Rear Drive Unit Replacement ➜ Coolant Air Purge
    Informational PurposesAn informational icon, calling your attention
    Note
    Make sure the vehicle is not in drive state. Putting vehicle into drive state will stop this routine. Monitor the levels as required.
  24. Inspect the coolant level and top off as necessary.
    Informational PurposesAn informational icon, calling your attention
    Note
    Make sure the fluid level is at the Max line.
  25. Install the coolant bottle cap.
  26. Install the rear underhood apron. See Underhood Apron - Rear (Remove and Replace).
  27. 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.