VW Polo manuals

Volkswagen Polo Service & Repair Manual: 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 centrifugal force at higher speeds can tear components off the tire.
Illustration shows a tire with torn-out tread due to driving with insufficient tire pressure.
 

Disintegrated Tread

Foreign Object Damage
Driving over hard, pointed objects like nails, screws and the like can pierce the tire. This always leads to tire damage.   ...

Tires, Damage from Low Tire Pressure
The most common causes of failure are small external damage, a defective valve or a leaky rim due to corrosion or damage.     ...

Other materials:

Frontal collisions and the laws of physics
Fig. 45 Unbelted occupants in a vehicle heading for a brick wall Fig. 46 Unbelted occupants in a vehicle striking a brick wall First read and observe the introductory information and safety warnings The physical principles involved in a frontal collision are relatively simple. As soon a ...

Test Requirements
Radiator and condenser are clean (clean if necessary). The ribbed belt for the A/C compressor and alternator tensioned correctly. All air ducts, covers and seals are OK and installed correctly. ...

A/C Service Station, Emptying
  Caution If it is suspected that chemicals were added to the refrigerant circuit to seal leaks, do not connect the A/C service station and do not extract the refrigerant. ...

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