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The essentials
●
U
s
in
g the hexagonal socket in the wheel
brace ››› Fig. 70, unscrew the slackened
wheel bolts and place them on a clean sur-
face.
●
Take off the wheel.
Putting on the spare wheel
Check the direction of rotation of the tyre
››› page 50.
●
Fit the wheel.
●
Screw on the anti-theft locking bolt with
the adapter in position ››› Fig. 67
2
or
3
clockwise and tighten gently.
●
Replace the other wheel bolts and tighten
s
ligh
tl
y using the hexagonal socket on the
end of the wheel brace.
●
Lower the car with the jack.
●
Tighten all of the wheel bolts clockwise
›››
. Tighten the bolts in diagonal pairs (not
in a c
ir
c
le).
●
Put the caps, trim or full hubcap back on
››› page 46.
WARNING
If the wheel bolts are not treated suitably or
not tightened t
o the correct torque then this
could lead to loss of vehicle control and to a
serious accident.
●
All the wheel bolts and hub threads should
be clean and free of oil and grease. The wheel
bolts should be easily tightened to the cor-
rect t
orque.
●
The hexagonal socket in the wheel brace
should be used for turning wheel bolts only.
Do not use it to loosen or tighten the wheel
bolts.
Tyres with directional tread pattern
Tyres with directional tread pattern have
been designed t
o operate best when rotating
in only one direction. An arrow on the tyre
sidewall indicates the direction of rotation on
tyres with directional tread ›››
page 294.
Always observe the indicated direction of ro-
tation in order to guarantee optimum grip
and help avoid aquaplaning, excessive noise
and wear.
If the tyre is mounted in the opposite direc-
tion of rotation, drive with extreme caution,
as the tyre is no longer being used correctly.
This is of particular importance when the
road surface is wet. Change the tyre as soon
as possible or remount it with the correct di-
rection of rotation.
Subsequent work
●
On alloy wheels: repl
ace the wheel bolt
caps.
●
On plate wheels: repl
ace the wheel hubcap.
●
Return all tools to their proper storing loca-
tion ›››
page 83.
●
Check the tyre pressure of the newly moun-
ted tyre as soon as possible.
●
If the vehicle is fitted with a tyre monitoring
system, this should be “reprogrammed” if
necessary whenever a tyre is changed
›››
page 234.
●
Have the tightening torque of the wheel
bolts checked as soon as possible with a tor-
que wrench ››› page 48. Meanwhile, drive
carefully.
Snow chains
Use
When using snow chains, applicable local
l
e
gi
slation and maximum permitted speed
limits must be observed.
In winter weather, snow chains not only help
to improve grip but also improve the braking
capacity.
Snow chains must only be mounted on the
front wheels, even on all-wheel drive vehi-
cles, and only with the tyre and rim combina-
tions listed below:
Tyre size Wheel rim
205/60 R16 6 1/2 J x 16 ET 33
50
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