Tesla Model 3 Owners & Service Manuals

Tesla Model 3: Gearbox - Rear Drive Unit (Remove and Replace)

Tesla Model 3 2017-2026 Service Manual / Rear Drive Unit / Rear Gearbox and Halfshafts / Gearbox - Rear Drive Unit (Remove and Replace)

Gearbox - Rear Drive Unit (Remove and Replace)

Remove

  1. Remove the rear drive unit inverter. See Inverter - Rear Drive Unit (Remove and Install).
  2. Setup the gantry to support the gearbox motor assembly.

Gearbox - Rear Drive Unit (Remove and Replace)

  1. Remove the bolts that attach the heat exchanger to the gearbox, and then remove the heat exchanger from the gearbox. Torque 5 Nm +30º

Gearbox - Rear Drive Unit (Remove and Replace)

  1. Remove the bolts that attach the motor assembly to the gearbox, and then use the gantry to lift the gearbox from the motor assembly. Torque 15 Nm +25º

Install

Installation procedure is the reverse of removal, except for the following:

Caution:

Perform a push-pull test to verify that the hose is fully seated.

  • Install new o-rings on the heat exchanger.
  • Install a new oil filter if the replacement gearbox is without one.

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