Tesla Model X Owners & Service Manuals

Tesla Model X: Drive Unit - Rear - Large (Remove)

Special tools required for this procedure:

Supplier Part Number Description
Tesla 1000991 Axle Extractor Note: Use 1000991 for a large drive unit only.
Tesla 1057312-00-A Axle Extractor Note: Use 1057312-00-A for either a large or small drive unit.
Removal
  1. Remove the rear subframe (refer to procedure).
Note: Before continuing, move the subframe fixture to the gantry.
  1. Disconnect the motor encoder.

    Drive Unit - Rear - Large (Remove)

  2. Release the wheel speed sensor harnesses from the grommets on the subframe.

    Drive Unit - Rear - Large (Remove)

  3. On both sides of the subframe, release the bolt that secures the upper link to the knuckle (torque 140 Nm).
  4. On both sides of the subframe, release the bolt that secures the toe link to the knuckle (torque 130 Nm).
  5. Use the axle extractor tool to release the halfshafts from the transmission.

    Caution: Ensure that the axle extractor tool does not contact any of the differential retaining studs.

    Caution: Do not let the halfshafts rest on the input seal.

    Tip: It might be helpful to loosen the nut that secures the upper link to the subframe. This provides additional clearance when installing the halfshafts.

    Drive Unit - Rear - Large (Remove) Drive Unit - Rear - Large (Remove)

    Drive Unit - Rear - Large (Remove)

  6. Secure the gantry bolts (x3) to the drive unit. Note: Secure the short bolt to the motor section of the drive unit.
  7. Loosen the nuts that secure the front and rear motor mounts to the subframe (torque 90 Nm).

    Drive Unit - Rear - Large (Remove)

  8. Loosen the bolts (x3) that secure the motor to the side motor mount. (torque 22 Nm). Tip: It might be helpful to only use the gantry bolt that secures to the motor. This allows the drive unit to be rotated to better align the bolt holes.

    Drive Unit - Rear - Large (Remove)

Tip: When removing the bolts that secure the front and rear motor mounts, it might be helpful to use a screwdriver or small prybar to pry against the subframe. This helps to align the bolt holes in the motor mounts with the subframe so that the bolts can be easily removed.
  1. Remove the bolt that secures the front motor mount (torque 90 Nm).
  2. Remove the bolt that secures the rear motor mount (torque 90 Nm).
Caution: While lifting the drive unit assembly in the next step, have an assistant brace a screwdriver or similar tool against the subframe and hold the sway bar out of the way. Do not brace the tool against the motor mount.

Drive Unit - Rear - Large (Remove)

  1. Carefully lift the drive unit assembly, making sure to clear the rear of the subframe.

Caution: Do not damage the motor encoder plastic housing.