Volkswagen Polo Service & Repair Manual: Tire Sidewall Swelling
| A swelling in the flank of the tire indicates that the
substructure of the carcass has been damaged. |
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| Typical causes for such damage include, for example, driving
over curbs at a sharp angle. |
| Pinching the carcass of a tire this way can damage the
carcass. |
| The substructure of the tire is stretched so far that
individual fibers in the carcass may break. |
| The extent of the damage depends on the speed of impact, the
angle of impact, the air pressure, the axle load and the type of
obstacle. |
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| Evidence of Pinching on the Sidewall of a Tire
-arrows- |
 Note
| Driving over curbs must be avoided! |
| When it cannot be avoided, curbs should be driven over very
slowly at the bluntest possible angle. |
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| Interior View of a Tire with a Punctured Carcass. |
| Due to a severe impact, the carcass was pinched on the rim
flange and is ruptured in the contact patch. |
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| Inside Tire Damage Due to Impact Damage (Double Rupture) |
| Double rupture -arrows- caused
by pinching when driving over a curb. Often not detectable from
outside. |
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Cuts
| Cut Caused by a Sharp-Edged Obstacle
-arrow-. |
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A wear spot is a flat spot on the tread of the tires that
can be caused by extreme braking maneuvers on subsurface such as
asphalt.
...
Driving over hard, pointed objects like nails, screws and
the like can pierce the tire.
This always leads to tire damage.
...
Other materials:
Headlight range control, instrument and switch lighting
Fig. 69 Next to the steering wheel: control
for instrument and switch lighting ① and headlight range control ②
First read and observe the introductory information
and safety warnings
① Instrument and switch lighting
When the headlights are switched on, the brightness of the instrument ...
Automatic belt
retractor, belt tensioner, belt tension limiter
First read and observe the introductory information
and safety warnings
The seat belts in the vehicle are part of the vehicle safety concept and include
the following important functions:
Automatic belt retractor
The seat belts on the driver seat and front passenger seat, as well as those
...
Information on steering
First read and observe the introductory information
and safety warnings The steering should be locked every time
you leave the vehicle to make it more difficult for the vehicle to be stolen.
Mechanical steering column lock
Activating the steering lock
Deactiv ...
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Wear Spots
Foreign Object Damage