SMART forfour - Lowering the Vehicle

Fitting a new wheel
G
WARNING
Oiled or greased wheel bolts or damaged
wheel
bolts/hub
threads can cause the wheel
bolts to come loose. As a result, you could
lose a wheel while driving. There is a risk
of accident.
Never oil or grease wheel bolts. In the event
of damage to the threads, contact a quali-
fied specialist workshop immediately.
Have the damaged wheel bolts or hub threads
replaced/renewed. Do not continue driv-
ing.
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.
Always pay attention to the instructions
and safety notices in "Changing a wheel"
(Y page 255
)
.
Only use wheel bolts that are designed for
the wheel and the vehicle. For safety rea-
sons, smart recommends that you only use
wheel bolts which have been approved for
smart vehicles and the respective wheel.
X
Clean the wheel and wheel hub contact
surfaces.
X
Place the new wheel on the wheel hub and
push it on.
X
Tighten the wheel bolts until they are
finger-tight.
Lowering the vehicle
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.
X
Lower the vehicle until it is once again
standing firmly on the ground.
X
Place the jack to one side.
X
Tighten the wheel bolts evenly in a
crosswise pattern in the sequence indi-
cated (: to ?). The tightening torque
must be 105 Nm.
X
Check the air pressure of the newly fitted
wheel and adjust accordingly.
Observe the recommended tyre pressure
(Y page 251
).
i
Vehicles with tyre pressure control
system: all fitted wheels must be equip-
ped with functioning sensors.
Changing a wheel
259
>> Wheels and tyres.
Z