23/05/2024 07:58:55

HV Header - Rear Drive Inverter (3DU) (Remove and Replace)

Correction code 4020010042 FRT 0.90 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.

  • 1450875-00-A Kit, Inverter Leak Test Adapter, M3
  • 1140501-00-A Pack Kit, Enclosure, Leak Test, HV Battery, Complete
  • 1140311-00-A Lever Lock, HV Connector, Model 3
Warning IconA warning icon, calling your attention to a possibly risky situation
Warning

Only technicians who have been trained in High Voltage Awareness and have completed all required certification courses (if applicable) are permitted to perform this procedure. Proper personal protective equipment (PPE) and insulating HV gloves with a minimum rating of class 0 (1000V) must be worn at all times a high voltage cable, busbar, or fitting is handled. Refer to Tech Note TN-15-92-003, High Voltage Awareness Care Points for additional safety information.

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. Disconnect the LV power. See LV Battery - Li-lon (Disconnect and Connect).
  4. Remove the 2nd row lower seat cushion. See Seat Cushion - 2nd Row (Remove and Replace).
  5. Perform Vehicle HV Disablement Procedure. See Vehicle HV Disablement Procedure.
  6. Remove the rear aero shield panel. See Panel - Aero Shield - Rear (Remove and Replace).
  7. Remove the rear HV battery skid plate. See Skid Plate - HV Battery - Rear (Remove and Replace).
  8. Remove the bolt that attaches the HV battery to rear drive unit harness bracket to the rear drive unit inverter.
    Tip: Use of the following tool(s) is recommended:
    • 10 mm socket
    • Cordless hex driver
  9. Remove the nut that attaches the HV battery to rear drive unit harness bracket to the HV battery.
    Tip: Use of the following tool(s) is recommended:
    • 10 mm magnetic deep nutsetter
    • Cordless hex driver
  10. Slide the release to unlock the HV battery rear drive unit connector handle of the rear drive unit to HV battery harness from the secured position.
  11. Fully raise the handle on the HV battery rear drive unit connector.
  12. Disconnect the electrical connector that attaches the rear drive unit HV harness to the HV battery.
  13. Repeat step 10through step 12 on the other side of the rear drive unit HV harness.
  14. Remove the bolts (x2) that attach the HV header to the rear drive unit.
    Tip: Use of the following tool(s) is recommended:
    • Ratchet/torque wrench
    • Internal Torx Plus IP30 socket
  15. Use a plastic trim tool to remove the HV header from the vehicle.

Install

  1. Install the bolts (x2) that attach the HV header to the rear drive unit.
    6 Nm (4.4 lbs-ft)
    Tip: Use of the following tool(s) is recommended:
    • Ratchet/torque wrench
    • Internal Torx Plus IP30 socket
  2. Perform the inverter air leak test. See Inverter Air Leak Test (Inspection).
  3. Fully raise the handle on the electrical connector that attaches the rear drive unit HV harness to the rear drive unit.
  4. Install the HV connector special tool onto the electrical connector that attaches the rear drive unit HV harness to the rear drive unit..
  5. Use both hands to firmly connect the electrical connector that attaches the rear drive unit HV harness to the rear drive unit..
    Warning IconA warning icon, calling your attention to a possibly risky situation
    CAUTION
    Make sure that the connector fits the header squarely and tightly, and that both retention pins enter the handle.
  6. Remove the HV connector special tool from the electrical connector that attaches the rear drive unit HV harness to the rear drive unit..
  7. While pressing the electrical connector that attaches the rear drive unit HV harness to the rear drive unit., fully lower the handle.
    Warning IconA warning icon, calling your attention to a possibly risky situation
    CAUTION
    Make sure that the handle does not bind as it is lowered.
  8. Slide the release to lock the electrical connector that attaches the rear drive unit HV harness to the rear drive unit in the secured position.
  9. Verify that the electrical connector is fully seated, and compare both sides of the connector that it is properly secured in place.
    Informational PurposesAn informational icon, calling your attention
    Note
    An improperly seated connector might lead to connector damage and rear drive unit problems later on.
  10. Repeat step 3through step 9 on the other side of the rear drive unit HV harness.
  11. Install the nut that attaches the HV battery to rear drive unit harness bracket to the HV battery.
    10 Nm (7.4 lbs-ft)
    Tip: Use of the following tool(s) is recommended:
    • 10 mm socket
    • Cordless hex driver
    • Ratchet/torque wrench
  12. Install the bolt that attaches the HV battery to rear drive unit harness bracket to the rear drive unit inverter.
    6 Nm (4.4 lbs-ft)
    Tip: Use of the following tool(s) is recommended:
    • 10 mm socket
    • Cordless hex driver
    • Ratchet/torque wrench
  13. Install the rear HV battery skid plate. See Skid Plate - HV Battery - Rear (Remove and Replace).
  14. Install the rear aero shield panel. See Panel - Aero Shield - Rear (Remove and Replace).
  15. Install the 2nd row lower seat cushion. See Seat Cushion - 2nd Row (Remove and Replace).
  16. Connect the LV power. See LV Battery - Li-lon (Disconnect and Connect).
  17. Install the rear underhood apron. See Underhood Apron - Rear (Remove and Replace).
  18. Remove the vehicle from the 2 post lift. See GUID-0ECF2493-88F6-48E9-ADBB-9AE1D52E217C.html.