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

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

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

- 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.

- 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.
- 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.
READ NEXT:
Remove
Remove the superbottle. See
Superbottle (Dual Motor) (Remove and Replace).
Install
Installation procedure is the reverse of removal.
Caution:
Perform a push-pull test to verify that the ho
Oil Pump - Front Drive Unit - Remove
SPECIAL TOOLS
3/4 Ton Underhoist Stand (1081765-00-A)
Re
SEE MORE:
High Voltage Components
Air Conditioning Compressor
Front Motor (Dual Motor vehicles only)
Cabin Heater
High Voltage Battery
High Voltage Battery Service Panel
Rear Motor
High Voltage Cabling
Charge Port
Warning: The high voltage system has no user serviceable parts. Do
no
Install
Position the subframe lifting tool and subframe underneath the vehicle.
Connect the air line to the subframe lifting tool.
With an assistant, slowly raise the rear drive unit and subframe into
position.
Caution:
Assist with the routing of HV harnesses and coolant hoses through
compo