Tighten drive shaft nut
Courtesy of VOLVO CARS OF NORTH AMERICA.
Use counterhold
9995461
(4 wheel studs) Alternatively
9995540
(5 wheel studs) and protractor
9512050
and then tighten to 120 Nm + 60°
.
Remove the counterhold.
Lock the drive shaft nut
Use a cold chisel and chase the lock flange on the nut into the drive shaft groove.