06/01/2023 16:13:01

HV Harness - HV Battery to Front Drive Unit (Remove and Replace)

Correction code 44502102 4.74 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 HV battery. See HV Battery (AWD) (Remove and Install).
  2. Lower the vehicle until the tires are touching the ground.
    Informational PurposesAn informational icon, calling your attention
    Note
    Raise lift off locks, then hold lock release lever to keep locks free while vehicle is lowered.
  3. Use a steering wheel holder to lock the steering wheel into position.
  4. Raise the vehicle fully and lower lift onto locks.
    Informational PurposesAn informational icon, calling your attention
    Note
    Set vehicle to comfortable working height. Make sure there's an audible click of the locks on both sides before lowering, otherwise the vehicle may tilt to the side.
  5. Remove the bolt that attaches the steering gear assembly to the electric steering column.
    30 Nm (22.1 lbs-ft)
    Tip: Use of the following tool(s) is recommended:
    • 13 mm socket
  6. Remove the bolts (x3) that attach the LH toeboard brace to the vehicle, and then remove the brace from the vehicle.
    30 Nm (22.1 lbs-ft)
    Tip: Use of the following tool(s) is recommended:
    • 15 mm socket
  7. Position a coolant drain container under the front of the vehicle to catch vehicle coolant.
  8. Release the hose clip, release the rear powertrain hose from the front drive unit inverter, and then install the male and female fittings.
  9. Remove the bolt that attaches the front drive unit HV harness to the vehicle, release the red locking tab, and then carefully disengage the black connector to disconnect the HV battery to front drive unit HV harness from the inverter.
    10 Nm (7.4 lbs-ft)
    Use of the following tool(s) is recommended:
    • EP 10 socket

Install

  1. With the black lever in the open position, carefully install the front drive unit HV harness onto the inverter and allow the lever to engage, secure the red connector lock, and then install the bolt that attaches the harness to the vehicle.
    10 Nm (7.4 lbs-ft)
    Warning IconA warning icon, calling your attention to a possibly risky situation
    CAUTION
    Do not damage any pins.
    Informational PurposesAn informational icon, calling your attention
    Note
    Engage the clip on the front drive unit.
    Use of the following tool(s) is recommended:
    • EP 10 socket
  2. Remove the plugs, connect the rear powertrain hose to the front drive unit inverter, and then secure the hose clip.
    Informational PurposesAn informational icon, calling your attention
    Note
    Perform a push-pull-push test.
  3. Remove the coolant drain container from underneath the vehicle.
  4. Position the LH toeboard brace into the vehicle, and then install the bolts (x3) that attach the brace to the vehicle.
    30 Nm (22.1 lbs-ft)
    Tip: Use of the following tool(s) is recommended:
    • 15 mm socket
  5. Position the steering gear assembly to the electric steering column, and then install the bolt.
    30 Nm (22.1 lbs-ft)
    Tip: Use of the following tool(s) is recommended:
    • 13 mm socket
  6. Lower the vehicle until the tires are touching the ground.
    Informational PurposesAn informational icon, calling your attention
    Note
    Raise the lift off locks, then hold the lock release lever to keep the locks free while vehicle is lowered.
  7. Remove the steering wheel holder from the vehicle.
  8. Raise the vehicle fully and lower lift onto locks.
    Warning IconA warning icon, calling your attention to a possibly risky situation
    Warning
    Make sure there is an audible click of the locks on both sides before lowering, otherwise vehicle may tilt to the side.
    Informational PurposesAn informational icon, calling your attention
    Note
    Set the vehicle to a comfortable working height.
  9. Install the HV battery. See HV Battery (AWD) (Remove and Install).