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The essentials
Loosening the wheel bolts
Fig. 54
Tyre change: slacken the wheel bolts.
Fig. 55
Tyre change: tyre valve
1
and posi-
tion of anti-theft wheel l
ocking bolt
2
.
●
Only use the tool supplied with the vehicle
t
o l
oosen the wheel bolts.
●
L
oosen the wheel bolts only about one turn
before raising the vehicle with the jack.
●
If the wheel bolt is very tight, you may be
able to loosen it by pushing down on the end
of the wheel brace carefully with your foot.
Hold on to the vehicle for support and take
care not to slip.
Loosening wheel bolts
●
Fit the wheel brace as far as it will go over
the wheel bolt
›››
Fig. 54.
●
Hold the wheel brace at the end and rotate
the bolt approximately one turn anticlockwise
›››
.
L
oosening anti-theft wheel bolts
F
or wheel
s with full hubcap, the anti-theft
wheel lock must be threaded into position
›››
Fig. 55
2
before mounting the hubcap.
Otherwise it will not be possibl
e t
o mount the
entir
e hubcap.
●
Take the adapter for anti-theft wheel bolts
out of the vehicle tool kit.
●
Insert the adapter onto the wheel bolt
›››
Fig. 55. Push it on as far as it will go.
●
Fit the wheel brace onto the adapter as far
as possible.
●
Hold the wheel brace at the end and rotate
the bolt approximately one turn anticlockwise
›››
.
Impor
t
ant inf
ormation about wheel bolts
The wheel rims and bolts have been de-
signed to be fitted to factory options. If differ-
ent rims are fitted, the correct wheel bolts
with the right length and correctly shaped
bolt heads must be used. This ensures that
wheels are fitted securely and that the brake
system functions correctly.
In some circumstances, wheel bolts from the
same model vehicle should not be used.
Wheel bolt tightening torque
The prescribed tightening torque for wheel
bolts for steel and alloy wheels is 110 Nm.
Have the tightening torque of the wheel bolts
checked as soon as possible with a reliable
torque wrench.
If wheel bolts are rusty and it is difficult to
tighten them, the threads should be replaced
and cleaned before checking the tighten-
ing torque.
Never grease or lubricate wheel bolts or the
wheel hub threads. Although they have been
tightened to the prescribed torque, they
could come loose while driving.
WARNING
If the wheel bolts are not fitted correctly
they could be rel
eased while driving lead-
ing to loss of vehicle control and serious
damage.
●
Only use wheel bolts which correspond
to the wheel rims in question.
●
Never use different wheel bolts.
»
39
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