Fitting A Wheel - SMART forfour Owner's Manual

Changing a wheel
154
X
Position jack ; behind the triangular
indentations for jacking point : on the
longitudinal body member.
X
Set the foot of the jack up vertically with
respect to the jacking point on the vehicle.
X
Raise the vehicle using the jack until the
tyre is a maximum of 3 cm off the ground.
X
Unscrew and remove the wheel bolts.
X
Remove the wheel.

Fitting a wheel

G
WARNING
The wheels could work loose if the wheel
nuts and bolts are not tightened to the
specified tightening torque. There is a risk
of accident.
Have the tightening torque immediately
checked at a qualified specialist workshop
after a wheel is changed.
G
WARNING
If you tighten the wheel bolts or wheel nuts
when the vehicle is raised, the jack could
tip over. There is a risk of injury.
Only tighten the wheel bolts or wheel nuts
when the vehicle is on the ground.
!
When changing a wheel, use only wheel
bolts that have been approved for the
wheel rim and vehicle.
Always pay attention to the instructions and
safety notices in "Changing a wheel"
Y
( page 151).
Fit tyres with a specified direction of rota-
tion only according to their direction of rota-
tion. An arrow on the sidewall of the tyre
indicates its correct direction of rotation.
X
Clean the wheel and wheel hub contact
surfaces.
X
Push the wheel onto the wheel hub and
press it on.
X
Screw in the wheel bolts and tighten them
slightly.
X
Lower the vehicle all the way.
X
Remove the jack.
X
Tighten the wheel bolts evenly in a cross-
wise pattern in sequence indicated :
to ?. The tightening torque must be
105 Nm.
X
Check the recommended tyre pressure and
adjust if necessary.
i
Vehicles with tyre pressure control sys-
tem: all fitted wheels must be equipped
with functioning sensors.