negative effect on the road holding and you
could endanger yourself or others.
!
On vehicles fitted with a tyre pressure
monitor, electronic components are
located in the wheel.
Tyre-fitting tools
should not be applied
in the area of the valve, as this could
damage the electronic components.
Only have tyres changed at a qualified
specialist workshop.
Various types of steel wheel can be fitted
on your vehicle. Some steel wheels have a
red mark in the hub cap area. The hub cap
has to be removed to see the red mark, see
"Raising the vehicle" in the "Wheel
change" section (Y page 249). When chang-
ing the wheels, always fit wheels of the
same type on all axles.
Interchanging the front and rear wheels of
differing dimensions can render the gen-
eral operating permit invalid.
Always pay attention to the instructions
and safety notes when changing a wheel
(Y page 247).
The wear patterns on the front and rear
tyres differ, depending on the operating
conditions. Front tyres typically wear
more on the shoulders and the rear tyres in
the centre.
Clean the contact surfaces of the wheel and
the brake disc thoroughly every time a
wheel is interchanged. Check the tyre
pressure and reactivate the tyre pressure
monitor if necessary.
Direction of rotation
Tyres with a specified direction of rota-
tion
have
additional benefits, e.g. if there
is a risk of aquaplaning. These advantages
can only be gained if the direction of rota-
tion is observed during fitting.
An arrow on the sidewall of the tyre indi-
cates its correct direction of rotation.
Storing wheels
Store wheels in a cool, dry and preferably
dark place
if they are not being used. Pro-
tect the tyres against oil, grease, petrol
and diesel.
Fitting a wheel
Preparing the vehicle
X
Make sure that you have the appropriate
tyre-changing tools. For further infor-
mation enquire at any smart centre.
i Necessary tyre-changing tools can
include, for example:
R
jack
R
wheel chock
R
wheel wrench
X
Stop the vehicle on solid, non-slippery
and level ground.
X
Apply the parking brake (Y page 133).
X
Bring the front wheels into the straight-
ahead position.
X
Depress the clutch pedal fully and engage
first or reverse gear.
X
Switch off the engine.
X
Remove the key from the ignition lock.
X
Also secure the vehicle against rolling
away.
Securing the vehicle against rolling
away
248
Changing a wheel
>> Wheels and tyres.
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