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Wheels and tyres 341
Safety First Operating instructions Practical tips Technical Data
x Fit the wheel brace onto the adapter as far as possible.
x Hold the wheel brace at the end and rotate the bolt approximately one
turn anticlockwise .
Important information about wheel bolts
The wheel rims and bolts have been designed to be fitted to factory options.
If different 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
140 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 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 released while
driving leading to loss of vehicle control and serious damage.
x Only use wheel bolts which correspond to the wheel rims in question.
x Never use different wheel bolts.
x The bolts and threads should be clean, free of oil and grease and easy
to thread.
x To loosen and tighten the wheel bolts, always use the wheel brace
supplied with the vehicle.
x Loosen the wheel bolts only about one turn before raising the vehicle
with the jack.
x 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.
x Never loosen the bolted joints of wheel rims with bolted ring trims.
x If the wheel bolts are not tightened to the correct torque, they may
come loose while driving, and the bolts and rims may come out. If the tight-
ening torque is too high, the wheel bolts and threads can be damaged.
WARNING (continued)
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