VW Polo manuals

Volkswagen Polo Service & Repair Manual: Inspecting Tires

Because tire damage can have serious consequences, the technician and the driver should regularly check the tires, as it is the best form of early problem recognition.
Pre-damaged tires cannot withstand driving situations like high vehicle speed, long driving distance, sporty driving style and similar situations.
Damage can occur from various causes:
Driving with low tire pressure
Mistakes during tire mounting
Damage during run-in
Aging
Incorrect storage
  WARNING
As soon as a safety risk cannot be ruled out, the tire must be replaced.
Pay special attention to the following criteria when examining the tire:
Surface erosion or marbling on the inner side (pressure was too low or insufficient for the load)
   
detached rubber or loose cords
 

Inspecting Tires

Exposed or deformed bead bundle
 

Inspecting Tires

Damage to tire bead with visible cords
 

Inspecting Tires

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.     ...

Mounting Damage
Bundle broken during tire inflation.     Modern radial car tires are mounted only on safety rims. These have a hu ...

Other materials:

Pressure and Boiling Point
The boiling point given in tables for a liquid is always referenced to an atmospheric pressure of 1 bar (14.5 psi). If the pressure acting on a fluid changes, its boiling point also changes. For example, water boils at a lower temperatur ...

Threaded Connections, Repairing
Special tools and workshop equipment required Torque Wrench 1331 5-50Nm -VAG1331-   Note Do not use rust remover, contact spray or grease because the lack of friction will cause the torque to be ...

Emergency Wheels
Spare Wheel Notes If Necessary, Explain to the Customer the Information About Tires and Refer the Customer to the Owner's Manual.     The following notes listed also apply to spare wheels that are marked wi ...

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