Tesla Model 3 Owners & Service Manuals

Tesla Model 3: Heat Exchanger - Front Drive Unit (Remove and Replace)

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

Heat Exchanger - Front Drive Unit (Remove and Replace)

Remove

  1. Remove the front subframe assembly. See Subframe Assembly - Front (Dual Motor) (Remove and Install)

Heat Exchanger - Front Drive Unit (Remove and Replace)

  1. Release the clip that connects the front drive unit inverter-heat exchanger hose to the heat exchanger coolant inle

Heat Exchanger - Front Drive Unit (Remove and Replace)

  1. Release the clips that attach the front drive unit inverter-heat exchanger hose to the exterior of the front drive unit, and then move the hose aside.

Heat Exchanger - Front Drive Unit (Remove and Replace)

  1. Remove the bolts that attach the heat exchanger to the inverter. Torque 5 Nm + 30 degrees

Note: Place a shop towel underneath the heat exchanger to catch any escaping fluids.

  1. Remove the heat exchanger from the front drive unit assembly.

Caution: Do not pry against the front drive unit or heat exchanger with tools. Gently wiggle the heat exchanger to free it from the front drive unit.

Install

Installation procedure is the reverse of removal.

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

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