28/02/2024 10:43:49

Drive Unit - Front (2nd Generation) (Remove and Replace)

Correction Code 39013102

  • 2024-02-27: Updated gearbox fluid.
  • 2024-01-24: Added a note to install a new motor ID label in hood/trunk for China, Japan and Korea.

Special tool required for this procedure:

Supplier Part Number Description
Tesla 1130279-00-A Lifting Sling, Drive Unit

This procedure is for vehicles built after April 24, 2019. For vehicles built through April 24, 2019, see Drive Unit - Front (1st Generation) (Remove and Replace).

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CAUTION
Do not drain the gearbox fluid from the removed drive unit. Return the drive unit to MRB with the fluid intact for analysis. Transfer the halfshaft caps from the new drive unit to the removed drive unit to prevent spillage.

Remove

  1. Remove the 2nd generation front drive unit from the vehicle. SeeDrive Unit - Front (2nd Generation) (Remove and Install).
  2. Attach the drive unit sling tool to the front drive unit and hand tighten the bolts to the sling tool.
    Informational PurposesAn informational icon, calling your attention
    Note
    Follow the mounting points for the Model 3 rear drive unit as shown with the tool instructions.
  3. Put the drive unit stand underneath the gantry, and then secure the sling tool to the gantry.
  4. Raise the sling tool so that there is a slight tension on the sling tool cables.
  5. Raise the sling tool to lift the front drive unit off the motor stand.
  6. Put the front drive unit above an empty crate made for the front drive unit or use a pallet, and then lower the front drive unit onto the crate or pallet.

Install

  1. Put the new front drive unit underneath the gantry.
  2. On the new front drive unit, remove the fir tree clips (x2) that attach the front drive unit harness to the A/C compressor isolator mount.
  3. On the new front drive unit, remove the bolts (x3) that attach the A/C compressor isolator mount to the front drive unit, and then remove the mount.
  4. Attach the sling tool to the new front drive unit.
    Informational PurposesAn informational icon, calling your attention
    Note
    The new front drive unit comes filled with gearbox fluid.
    Informational PurposesAn informational icon, calling your attention
    Note
    Follow the mounting points as indicated for the Model 3 rear drive unit.
  5. Secure the sling tool to the gantry, and then raise the new front drive unit out of the crate.
  6. Move the front drive unit stand and underhoist stand under the new front drive unit, and then lower the sling tool to put the new front drive unit onto the front drive unit stand adapter.
  7. Remove the sling tool from the gantry, and then remove the hooks (x3) that attach the sling tool to the new front drive unit.
  8. If the new front drive unit comes with a clevis mount, remove the bolts (x2) that attach the clevis mount to the front drive unit, and then remove the clevis mount from the front drive unit. Otherwise, continue to the next step.
  9. If the new front drive unit comes with an isolator mount, remove the bolts (x3) that attach the isolator mount to the front drive unit, and then remove the isolator mount from the front drive unit. Otherwise, continue to the next step.
  10. Remove the bolt that attaches the HV harness to the new front drive unit.
  11. Disconnect the HV harness from the new front drive unit, and then remove the HV harness from the front drive unit.
  12. Put the new front drive unit under the vehicle for installation.
  13. Install the new front drive unit in the vehicle. SeeDrive Unit - Front (2nd Generation) (Remove and Install).
    Informational PurposesAn informational icon, calling your attention
    Note
    After connecting 12V power, perform a software reinstall. See Firmware Reinstall - Touchscreen.
  14. For China, Japan and Korea only: Carefully remove the old motor label from the hood, and install a new motor label to match the new motor information.