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Emergencies
Taking off the wheel
●
Unscrew the wheel nuts using the box
spanner and pl
ace them on a clean surface.
●
Take off the wheel.
Putting on the spare wheel
Check the direction of rotation of the tyre
›››
page 48.
●
Place the spare wheel or temporary spare
wheel into position.
●
Screw on the wheel nuts in position and
tighten them loosely with a box spanner.
●
To tighten the anti-theft locking wheel nuts
use the corresponding adaptor.
●
Carefully lower the vehicle using the jack.
●
Use the wheel spanner to tighten all of the
wheel nuts clockwise. Tighten the bolts in di-
agonal pairs (not in a circle).
●
Put the caps, trim or full hubcap back on .
The wheel nuts should be clean and turn
easily. Before fitting the spare wheel, inspect
the wheel condition and hub mounting surfa-
ces. These surfaces must be clean before fit-
ting the wheel.
Tightening torque of the wheel nuts
The prescribed tightening torque for wheel
bolts for steel and alloy wheels is 140 Nm. Af-
ter changing a wheel, have the tightening tor-
que checked immediately with a torque
wrench that is working perfectly.
Before checking tightening torque, have any
rusty wheel nuts that are difficult to screw re-
placed and clean the wheel hub threads.
Never apply grease or oil to wheel nuts or to
the wheel hub threads. Even if the bolts have
been tightened to the prescribed torque, they
could come loose while driving.
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. Always observe
the indicated direction of rotation in order to
guarantee optimum grip and help avoid
aquaplaning, excessive noise and wear.
If the tyre is mounted in the opposite direction
of rotation, drive with extreme caution, as the
tyre is no longer being used correctly. This is
of particular importance when the road sur-
face is wet. Change the tyre as soon as pos-
sible or remount it with the correct direction
of rotation.
Works after changing a wheel
●
Alloy wheels: r
eplace the wheel bolt caps.
●
Plate wheels: replace the wheel hubcap .
●
Return all tools to their proper storing loca-
tion.
●
If the replaced wheel does not fit in the
spare wheel housing, store it safely in the lug-
gage compartment
›››
page 133.
●
Check the tyre pressure of the newly moun-
ted tyre as soon as possible.
●
In vehicles fitted with a tyre pressure indica-
t
or, adjust the pressure and store it in memory
›››
page 327.
●
Have the tightening torque of the wheel
nuts checked as soon as possible with a tor-
que wrench
›››
page 48. Meanwhile, drive
carefully.
●
Have the flat tyre replaced as quickly as
possible.
48
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