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. |
|
|
|
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:
Heel and Toe Wear
Heel-and-toe wear is step-like wear of individual tread
blocks, due to which an increased rolling noise can develop. The
heel-and-toe wear is caused by the uneven distortion of the
tread blocks in the contact patch. Heel-and-toe wear appears in
more extr ...
EU Type Approval Number, Sales Code and Sales or Trade Name
The Additional Descriptions Only Apply to VW Vehicles.
Since 01/01/1998, all passenger vehicles licensed for road use
within the European Union must possess type approval according to EU
guidelines . Vehicles licensed for road use with single-vehicle approval
accordin ...
A/C Refrigerant High Pressure Switch -F23
Note
For switching pressures, removing and installing switches
and switch arrangement and version, see vehicle-specific
refrigerant circuit.
Refer to
→ Rep. Gr.87.
...
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Vibration
Vibration, Road Test, Performing Before Balancing