Tesla Model 3 Owners & Service Manuals

Tesla Model 3: HV Header - Inverter - Rear Drive Unit - Install

Tesla Model 3 2017-2024 Service Manual / Rear Drive Unit / Rear Drive Inverter / HV Header - Inverter - Rear Drive Unit (Remove and Replace) / HV Header - Inverter - Rear Drive Unit - Install

Install

  HV Header - Inverter - Rear Drive Unit - Install

  1. Install a new retainer into the header, and then fasten the clips (x6) that attach the retainer to the header.

  HV Header - Inverter - Rear Drive Unit - Install

  1. Install the HV header onto the inverter.

Note: Push, pull, and push on the header to make sure it is fully seated.

  HV Header - Inverter - Rear Drive Unit - Install

  1. Install the new bolts (x2) that attach the HV header to the inverter. Torque 6 Nm
  2. Perform an inverter air leak test. See Inverter Air Leak Test.
  3. Fully raise the handle on the rear drive unit HV electrical harness.

  HV Header - Inverter - Rear Drive Unit - Install

  1. Attach the HV connector lever lock onto the back of the HV electrical harness.
  2. Firmly connect the HV electrical harness to the inverter connector.

 Caution: Make sure that the harness fits the connector squarely and tightly.

  1. While pressing the harness to the connector, remove the HV connector lever lock.

  HV Header - Inverter - Rear Drive Unit - Install

  1. While pressing the harness to the connector, fully lower the handle.

  HV Header - Inverter - Rear Drive Unit - Install

  1. Slide the release to lock the HV electrical harness.

  HV Header - Inverter - Rear Drive Unit - Install

  1. Install the bolt that attaches the HV electrical harness to the inverter. Torque 6 Nm

  HV Header - Inverter - Rear Drive Unit - Install

  1. Fasten the clip that attaches the low voltage electrical harness to the inverter.

  HV Header - Inverter - Rear Drive Unit - Install

  1. Connect the low voltage electrical harness to the inverter connector.

  HV Header - Inverter - Rear Drive Unit - Install

  1. Fasten the clip that attaches the rear drive unit inlet hose to the rear drive unit inverter.
  2. Remove the mid aero shield panel. See Panel - Aero Shield - Mid (Remove and Replace).
  3. Perform a penthouse air leak test. See Penthouse Air Leak Test.
  4. Connect 12V power. See 12V Power (Disconnect and Connect).

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