Volkswagen Polo Service & Repair Manual: Vibration, Causes for Vibration
| There are many causes for vibration. Vibration can also be
caused by tire wear, among other things. Tire wear caused by
driving does not always develop evenly over the entire tread.
Due to this, a slight imbalance develops which disturbs the
smoothness of the formerly accurately balanced wheel. |
| This slight imbalance cannot yet be felt in the steering
wheel, but it is present. It increases the tire wear and
consequently reduces the service life of the tire. |
| In order to guarantee over the entire service life of a tire
a |
| it is recommended that wheels/tires be balanced at least two
times within the tire's service life. |
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If a vehicle comes to the workshop with the complaint
“vibration”, a road test must be performed before balancing the
wheels.
That wa ...
Other materials:
Taper
Taper is caused by slightly offsetting the tread and/or the
belt by a few tenths of a millimeter from the geometric center
of the tire. Taper cannot be recognized visually nor can it be
measured with workshop equipment.
...
Start/stop system
Fig. 119 In the upper part of the centre
console: button for the start/stop system
First read and observe the introductory information
and safety warnings If the start/stop system is activated, the
engine will be switched off automatically when the vehicle is stationary. When required,
t ...
Removing the ball coupling
First read and observe the introductory information
and safety warnings
Unhitch the trailer .
Remove the cover from the lock on the handwheel.
Insert the key ⑧ into the lock and turn it clockwise.
Hold the ball coupling tightly in your left hand .
Use your right ha ...
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Vibration
Vibration, Road Test, Performing Before Balancing