VW Polo manuals

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.
   
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.
 

Foreign Object Damage

Tire Sidewall Swelling
A swelling in the flank of the tire indicates that the substructure of the carcass has been damaged.     Typical ...

Disintegrated Tread
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:

Factory Paint Paint Structure
Structure of a Solid-Color Paint System, Conventional Approximately 80-120 µm thick 1 -  Steel Panel 2 -  Zinc Phosphate Coating 3 -  Electr ...

Tires, Aging
Even tires that look in good shape, new or hardly use and have sufficient tread depth and that are older than 6 years, can age caused by moisture and winter conditions. Tire test show that through continual development, new rubber ...

Tyre pressure
Fig. 146 On the inside of the tank flap: tyre inflation pressure label First read and observe the introductory information and safety warningsThe correct tyre pressure for factory-fitted tyres is shown on a sticker and applies to all-season, summer and winter tyres. The sticker is located ...

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