158Vehicle care
3. Vehicles with Front-wheel drive:Raise vehicle by placing lifting
pad spigot of the jack under the
jacking hole located nearest the
wheel concerned.
Ensure the jack is positioned
correctly. The jack base must be
on the ground directly below the
jacking hole in a manner that
prevents it from slipping.
Attach wheel wrench onto the jack
and raise the vehicle by turning
the wrench until the wheel is clear of the ground.
Vehicles with Rear-wheel drive:
Pay attention to the operating
instructions supplied with the
hydraulic jack and assemble the
parts required as specified.
Position the adapter at the jacking
hole located nearest the wheel
concerned.
Ensure the jack is positioned
correctly. The jack head must be
level with the jacking hole. Pump
the jack by pressing the wheel
wrench, to position the base plate
correctly.
Raise the vehicle by pressing the wheel wrench until the wheel is
clear of the ground.
4. Unscrew wheel bolts/nuts completely and wipe clean with a
cloth.
Put wheel bolts/nuts somewhere
where the threads will not be
soiled.
5. Change the wheel.
6. Screw in the wheel bolts/nuts.
7. Lower vehicle.
8. Install the wheel wrench ensuring that it locates securely and tighten
each wheel bolt/nut in a crosswise sequence. Tightening torque is:
172 Nm (Front-wheel drive),
235 Nm (Rear-wheel drive with
Vehicle care159
twin rear wheels), 264 Nm (Rear-wheel drive with single rear
wheels).
9. Refit wheel cover.
10. Stow the replaced wheel 3 159
and the vehicle tools 3 150.
11. Have the new wheel balanced on the vehicle. Check the tyre
pressure of the installed tyre
3 189 and also the wheel bolt/nut
torque as soon as possible.
Have the defective tyre renewed or
repaired.
Spare wheel
Some vehicles are equipped with a tyre repair kit instead of a spare wheel 3 154.Caution
The use of a spare wheel that is
smaller than the other wheels or in combination with winter tyres
could affect driveability. Have thedefective tyre replaced as soon as
possible.
The spare wheel is held under the
vehicle frame using a winch and
secured by tightening a cable using
the wheel wrench and adapter.
It may be necessary to jack the
vehicle up to gain access to the spare
wheel on a fully loaded vehicle with a flat rear tyre.
To release the spare wheel, loosen
cable using the wheel wrench and
adapter and lower the wheel fully.
Caution
Only use the wheel wrench and
adapter to lower the spare wheel.
The use of pneumatic tools is
prohibited. This may result in
damage to the winch cable and
equipment.
Place wheel upright, remove pin from retainer and release the wheel from
the cable.