Tesla Model 3 Owners & Service Manuals

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

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

 Drive Unit - Rear (Remove and Replace)  

Remove

  1. Remove the rear drive unit from the subframe assembly. See Drive Unit - Rear (Remove and Install).

  Drive Unit - Rear (Remove and Replace)

  1. Release the clips that attach the coolant outlet hose to the rear drive unit.

  Drive Unit - Rear (Remove and Replace)

  1. Release the spring clip that attach the coolant outlet hose from the cooler, and then remove the hose from the rear drive unit.

  Drive Unit - Rear (Remove and Replace)

  1. Release the clip that attaches the inverter-to-cooler hose to the cooler, and then remove the hoses from the cooler.

  Drive Unit - Rear (Remove and Replace)

  1. Release the clips that attach the inverter-to-cooler hose to the rear drive unit.

  Drive Unit - Rear (Remove and Replace)

  1. Release the clip that attach the inverter-to-cooler hose to the inverter, and then remove the hose.

Install

  Drive Unit - Rear (Remove and Replace)

  1. Install the inverter-to-cooler hose to the inverter, and then attach the hose with a spring clip.

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

  Drive Unit - Rear (Remove and Replace)

  1. Install the clips that attach the inverter-to-coolant hose to the rear drive unit.

  Drive Unit - Rear (Remove and Replace)

  1. Install the inverter-to-cooler hose to the cooler, and then attach the hose with spring clip.

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

  Drive Unit - Rear (Remove and Replace)

  1. Install the coolant outlet hose to the cooler, and then attach the hose with spring clip.

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

  Drive Unit - Rear (Remove and Replace)

  1. Attach the clips that hold the coolant outlet hose to the rear drive unit.
  2. Install the rear drive unit. See Drive Unit - Rear (Remove and Install). Note: New rear drive units come prefilled with gearbox fluid. Clean up any leaks during installation and top off the gearbox fluid as necessary.
  3. Install the rear subframe assembly. See Subframe Assembly - Rear (Remove and Install).
  1. After performing a vacuum refill of the cooling system, use Toolbox to perform the Rear Drive Unit - Remove and Replace Autodiag.
  2. After completing the Autodiag, continue the procedure to install the rear subframe assembly.

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