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

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

Gearbox - Rear Drive Unit (Remove and Replace)

Remove

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

Gearbox - Rear Drive Unit (Remove and Replace)

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)

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.

SEE MORE:

Light - Brake - High Mounted (Remove and Replace)

Remove Remove the LH 2nd row seat side bolster. See Bolster - Side - Seat - 2nd Row - LH (Remove and Replace). Remove the LH side rail trim. See Trim - Side Rail - LH (Remove and Install). Remove the LH upper C-pillar trim. See Trim - C-Pillar - Upper - LH (Remove and Replace). Remove t

Hose - Return - Powertrain (Remove and Replace)

Remove Remove the HV battery. See HV Battery (RWD) (Remove and Install). Release the clips (x5) that attach the powertrain return (lower) hose to the RH side of the HV battery, and remove the hose from the HV battery. Remove the plugs from the powertrain return hose, if installed. Install

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

READ NEXT:

Gearbox Fluid - Rear Drive Unit (Drain and Refill)

SEE MORE:

Light - Brake - High Mounted (Remove and Replace)

Hose - Return - Powertrain (Remove and Replace)