Disconnect 12V power. See
12V Power (Disconnect and Connect).
Remove and discard the nut that attaches the DCDC ground busbar to the
HV battery at the DCDC passthrough.
Remove the bolt that attaches the DCDC ground busbar to the body, and
then remove the DCDC ground busbar from the vehicle.
Install
Use an IPA wipe to clean the mating surfaces of the DCDC ground busbar
and the DCDC passthrough.
Install the DCDC ground busbar onto the ground terminal of the DCDC
passthrough, and then hand-tighten a new nut that attaches the DCDC ground
busbar to the DCDC passthrough.
Install the bolt that attaches the DCDC ground busbar to the body, and
mark the bolt with a paint pen after it is torqued.
Torque 20 Nm
Tighten the nut that attaches the DCDC ground busbar to the DCDC
passthrough, and then mark the nut with a paint pen after it is torqued.
Torque 15 Nm
Connect 12V power. See
12V Power (Disconnect and Connect).
Harness - 12V Battery Ground-Remove
Remove
Remove the cowl screen panel. See
Panel - Cowl Screen (Remove and Replace).
Remove and discard the nut that attaches the front harness ground wire
Parts, Accessories, and
Modifications
Use only genuine Tesla parts and accessories.
Tesla performs rigorous testing on parts to
ensure their suitability, safety, and reliability.
Purchase these parts from Tesla, where they
are professionally installed and where you can
receive expert advic
Remove
Remove the mid aero shield. See
Panel - Aero Shield - Mid (Remove and Replace).
Remove and discard the nuts that attach the LH drop link to the rear
stabilizer bar and rear LH knuckle.
Torque 55 Nm
Remove the drop link from the vehicle.
Install
Installation procedure is the re