Volkswagen Polo Service & Repair Manual: Foreign Object Damage
| Driving over hard, pointed objects like nails, screws and
the like can pierce the tire. |
| This always leads to tire damage. |
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| Damage from Imbedded Foreign Bodies |
| Frequently, the foreign object
-marking- is so securely embedded in the tire that it
will not free itself even at higher speeds. Due to this, it can
act as a plug and seal the tire relatively well. The result is
gradual loss of pressure which the driver does not notice
immediately but which can lead to sudden and complete tire
failure. |
 Note
| No repair should be attempted on steel belted tires of which
the structure has been punctured by a foreign body. |
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A swelling in the flank of the tire indicates that the
substructure of the carcass has been damaged.
Typical ...
Tires with Torn-Out Tread
Such damage usually develops over a longer period of time.
If an already damaged tire is exposed to high stress, the
...
Other materials:
Displays
Fig. 12 A: bonnet open, B: tailgate
open, C: front left door open, D: right rear door open (only in four-door
vehicles)
First read and observe the introductory
information and safety warnings
Depending on the vehicle equipment level, a variety of information can be
displayed in the instr ...
Introduction
This chapter contains information on the following subjects:
→ Preparing for a journey and driving safely
→ Driving abroad
→ Driving through water on roads
Depending on where the vehicle is used, it could be a good idea to have an engine
and transmission guard insta ...
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.
...
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Tire Sidewall Swelling
Disintegrated Tread