If and when
242
NoteThe hexagonal socket in the screwdriver handle should be used for turning
wheel bolts only. Do not use it to loosen or tighten the wheel bolts.Changing a wheel Removing the wheel
– Using the hexagonal socket in the screwdriver handle, unscrew
the slackened wheel bolts and place them on a clean surface.
– Take off the wheel.
– Store the defective wheel as described on ⇒page 235.
Fitting the spare wheel
– Put the spare wheel in place.
– Screw in the wheel bolts and tighten them lightly using the
hexagonal socket.
– Lower the vehicle on the jack.
– Tighten the wheel bolts firmly using the box spanner. Do not tighten the bolts in clockwise or anti-clockwise sequence.
Tighten them in diagonal sequence.Tyres with directional tread pattern
Tyres with directional tread pattern must be mounted so that they rotate in the
correct direction.
A directional tread pattern can be identified by arrows on the sidewall that
point in the direction of rotation. Always observe the direction of rotation indicated when mounting the wheel. This is important so that these tyres can
give maximum grip and avoid excessive noise, tread wear and aquaplaning.
If, in an emergency, you have to mount a wheel so it rotates in the wrong
direction, you must drive extremely carefully. The tyre will not give optimum
performance. This is particularly important when driving on wet roads. To
benefit from the advantages of tyres with directional tread pattern, the tyre
should be replaced as soon as possible so that it rotates in the correct direc-
tion.
Caution
•
The wheel bolts should be clean and turn easily. Do not grease or oil them.
•
The hexagonal socket in the screwdriver handle should be used for
turning wheel bolts only. Do not use it to loosen or tighten the wheel bolts.
After changing a wheel– Place the wheel with the defective tyre in the spare wheel bracket ⇒page 235.
– Have the flat tyre replaced as quickly as possible.
– Have the tightening torque of the wheel bolts checked as soon as possible with a torque wrench ⇒page 242.
– Check tyre pressure at the next opportunity.
– Avoid fast driving manoeuvres.
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