V50 w646.book - ESD - Volvo

07 Wheels and tyres
General
IMPORTANT
Use Volvo genuine snow chains or equivalent
chains designed for the car model, and
tyre and rim dimensions. Consult an authorised
Volvo workshop
Rims and wheel nuts
90 Nm. Check the torque with a torque
wrench.
IMPORTANT
The wheel nuts should be tightened to
90 Nm. Overtightening can damage the
nuts and the bolts.
Steel rims – standard wheel nuts (1)
Steel rims are normally mounted with the
standard wheel nuts, but the bulge acorn variety
may also be used.
WARNING
Never use standard nuts for aluminium
rims. The wheels can come loose.
Locking wheel nuts
Locking wheel nuts can be used on both aluminium
and steel rims. If steel rims with locking
nuts are used in combination with wheel
covers, the locking wheel nut should be
mounted on the bolt nearest the air valve.
Otherwise the wheel cover cannot be fitted to
the rim.
07
Standard (1) and bulge acorn (2) wheel nuts
Only use rims that are tested and approved
by Volvo and which are Volvo genuine accessories.
There are two types of wheel nut, depending
on whether the rims are made of
steel or aluminium. Tighten the wheel nuts to
Aluminium rims – bulge acorn wheel
nuts (2)
Only use the bulge acorn variety of nuts with
aluminium rims. These differ markedly from
other nut types as they have a rotating conical
washer.
NOTE
These nuts may also be used with steel
rims.
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