22/08/2022 13:39:29

HV Harness - HV Battery to Rear Drive Unit - LH (Plaid) (Remove and Replace)

Correction code 44500012 3.06 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.

Warning IconA warning icon, calling your attention to a possibly risky situation
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. Remove the rear subframe assembly (plaid). See Subframe Assembly - Rear (Plaid) (Remove and Install).
  2. Release the clip that attaches the rear drive unit ground strap to the rear subframe.
  3. Remove the bolts (x2) that attach the LH upper aft link to the rear subframe.
    85 Nm (62.7 lbs-ft)
    Tip: Use of the following tool(s) is recommended:
    • 16 mm deep socket
  4. Remove the bolts (x2) that attach the RH upper aft link to the rear subframe.
    85 Nm (62.7 lbs-ft)
    Tip: Use of the following tool(s) is recommended:
    • 16 mm deep socket
  5. Remove the bolts (x4) that attach the performance rear subframe brace.
    120 Nm (88.5 lbs-ft)
    Tip: Use of the following tool(s) is recommended:
    • 16 mm deep socket
  6. Position the drive unit stand underneath the gantry.
  7. Release the clips (x4) that attach the tail end of the LV harness.
  8. Disconnect the rear electric oil feed pump electrical connector.
    Informational PurposesAn informational icon, calling your attention
    Note
    Release the connector lock, press and gently pull the electrical connector.
  9. Attach the hooks (x3) from the drive unit sling tool to the drive unit.
    Informational PurposesAn informational icon, calling your attention
    Note
    Install additional shackle on both sides to alleviate the tension to the cables.
  10. Secure the drive unit sling to the gantry.
  11. Raise the sling so there is slight tension on the cables.
  12. Remove the LH bolt that attaches the rear drive unit to the rear subframe.
    120 Nm (88.5 lbs-ft)
    Tip: Use of the following tool(s) is recommended:
    • External Torx E18
  13. Remove the RH bolt that attaches the rear drive unit to the rear subframe.
    120 Nm (88.5 lbs-ft)
    Tip: Use of the following tool(s) is recommended:
    • External Torx E18
  14. Loosen the bolt that attaches the rear of rear drive unit to the rear subframe.
    120 Nm (88.5 lbs-ft)
    Tip: Use of the following tool(s) is recommended:
    • Torx T20 socket
    Informational PurposesAn informational icon, calling your attention
    Note
    Full removal of the bolt is not required.
  15. Carefully raise the sling and partially lift the rear drive unit upwards.
    Warning IconA warning icon, calling your attention to a possibly risky situation
    CAUTION
    Do not stress and damage any related components.
  16. Release the bolt that attaches the LH HV harness to the rear drive unit.
    6 Nm (4.4 lbs-ft)
    Tip: Use of the following tool(s) is recommended:
    • 10 mm socket
  17. Disconnect the LH HV harness electrical connector from the LH rear inverter.
    Warning IconA warning icon, calling your attention to a possibly risky situation
    CAUTION
    Disengage the locking tab, and then rotate the lever up to release the electrical connector. Do not force the release lever up.
  18. Remove the LH HV harness from the rear drive unit.
    Informational PurposesAn informational icon, calling your attention
    Note
    Feed the HV harness out from under the rear drive unit.

Install

  1. Install the LH HV harness to the rear drive unit.
    Informational PurposesAn informational icon, calling your attention
    Note
    Feed the HV harness onto the rear drive unit for installation.
  2. Connect the LH HV harness electrical connector to the LH rear inverter.
    Informational PurposesAn informational icon, calling your attention
    Note
    Verify that the lever is in the upright and open position. Carefully seat the electrical connector and allow lever to engage. Fully secure the lever, and then engage the red locking tab.
  3. Install the bolt that attaches the LH HV harness to the rear drive unit.
    6 Nm (4.4 lbs-ft)
    Tip: Use of the following tool(s) is recommended:
    • 10 mm socket
  4. Lower the sling, and then return the rear drive unit into position.
  5. Hand-tighten the RH bolt that attaches the rear drive unit to the rear subframe.
    Informational PurposesAn informational icon, calling your attention
    Note
    Torque at a later step.
  6. Hand-tighten the LH bolt that attaches the rear drive unit to rear subframe
    Informational PurposesAn informational icon, calling your attention
    Note
    Torque at a later step.
  7. Lower the sling to release the tension on the cables.
  8. Remove the drive unit sling from the gantry.
  9. Remove the drive unit sling hooks tool (x3) from the rear drive unit.
  10. Tighten the motor mount bolts (x3).
    Tip: Use of the following tool(s) is recommended:
    • External Torx E18
      120 Nm (88.5 lbs-ft)
    • Torx T20 socket
      213 Nm (157.1 lbs-ft)
  11. Connect the rear electric oil feed pump electrical connector.
    Informational PurposesAn informational icon, calling your attention
    Note
    Engage the connector lock, and then install and gently pull to test for a secure connection.
  12. Fasten the clips (x4) that attach the tail end of the LV harness.
  13. Install the rear subframe assembly (plaid). See Subframe Assembly - Rear (Plaid) (Remove and Install).