Tesla Model 3 Owners & Service Manuals

Tesla Model 3: Motor Assembly - Rear (Remove and Replace)

Tesla Model 3 2017-2025 Service Manual / Rear Drive Unit / Rear Motor / Motor Assembly - Rear (Remove and Replace)

 Motor Assembly - Rear (Remove and Replace)  

Remove

  1. Remove the rear drive unit. See Drive Unit - Rear (Remove and Replace).
  2. Remove the rear drive unit inverter. See Inverter - Rear Drive Unit (Remove and Install).
  3. Position the gearbox and motor assembly in the upright position on the service table.

  Motor Assembly - Rear (Remove and Replace)

  1. Remove the fasteners that attach the resolver cover to the motor assembly, and then remove the resolver cover from the motor.

  Motor Assembly - Rear (Remove and Replace)

  1. Remove the bolts that attach the motor assembly to the gearbox assembly.
  2. Set up the motor sling and gantry to remove the motor assembly.
  3. Use the gantry to gently lift the motor assembly from the gearbox.

 Tip: A trim tool can help separate the motor assembly from the gearbox should the motor assembly bind on lifting.

  1. Lower the motor onto the shipping crate or pallet.
  2. Remove the motor sling from the motor assembly.
  3. Remove and discard the motor assembly to gearbox gasket.

Install

  1. Install a new motor assembly to gearbox gasket.
  2. Install new stator phase lug o-rings.
  3. Set up the motor sling and gantry to install the motor assembly.
  4. Lift the motor assembly over the gearbox for installation.
  5. With an assistant, align the guides and carefully lower the motor assembly into the gearbox.

 Caution: Make sure to align the stator phase lug, jet ring, and inner shaft, and use a rubber hammer to gently tap the gearbox, if necessary.

  1. Remove the motor sling from the motor assembly.

  Motor Assembly - Rear (Remove and Replace)

  1. Install the bolts that attach the motor assembly to the gearbox. Torque 15 Nm +25 deg

  Motor Assembly - Rear (Remove and Replace)

  1. Install the resolver cover on the motor assembly, and install the bolts that attach the resolver cover to the motor assembly. Torque 15 Nm +25 deg

 Caution: Make sure to align the brush and motor.

  1. Install the rear drive unit inverter. See Inverter - Rear Drive Unit (Remove and Install).
  2. Install the rear drive unit. See Drive Unit - Rear (Remove and Replace).

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      Special tool required for this procedure: 1451839-00-A SKT, EP10 LOW PROFILE 1115031-00-A EXT, WOBBLE, 1/4" DR, 1.25"

     Rear Drive Inverter

     HV Header - Inverter - Rear Drive Unit (Remove and Replace)

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