Preliminary Work

Observe warning notes for working on the high-voltage vehicle electrical system.
> General warning notes for working on the high-voltage vehicle electrical system
Isolate the high-voltage system from the power supply.
> WM, 2X00IN ISOLATION FROM POWER SUPPLY PRIOR TO PERFORMING MAINTENANCE TASKS ON BEV VEHICLES
Drain coolant.
> 193817 DRAINING AND FILLING COOLANT
Drain refrigerant.
> 870317 DRAINING AND FILLING REFRIGERANT R1234YF

> 870317 DRAINING AND FILLING REFRIGERANT R134A
Remove luggage compartment liner.
> 501919 REMOVING AND INSTALLING LUGGAGE COMPARTMENT LINER
Remove front wheel housing liner (at the right).
> 505619 REMOVING AND INSTALLING FRONT WHEEL HOUSING LINER