VW Polo manuals

Volkswagen Polo Service & Repair Manual: Tread Depth, Measuring

  Note
When measuring tread depth, take measurements in the main grooves.
Do not take measurements at the tread wear indicator.
   
Tread depth of a tire must be measured in the main grooves at the points showing the most wear. The positions of the tread wear indicators are marked along the tire shoulder -item 2- → Item.
In place of “TWI”, there may also be a “Δ” or “VW emblem”.
The TWI protrusions are 1.6 mm tall. This is the minimum tread depth legally prescribed in Germany.
Different values may apply in other countries.
 

Tread Depth, Measuring

Tread Wear Indicators (TWI) must not be included in the measurement. The deepest point of the groove must be used for the measurement.
A -  Tread Wear Indicators in main grooves
B -  Main grooves with Tread Wear Indicators -arrows-
 

Tread Depth, Measuring

Heel and Toe Wear
Heel-and-toe wear is step-like wear of individual tread blocks, due to which an increased rolling noise can develop. The heel-and-toe wear is caused by the uneven dis ...

Tire Wear, One Sided
In many causes, this is caused by driving style, but sometimes it is also caused by incorrect axle adjustment.     ...

Other materials:

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  Note On some vehicle equipment levels, socket illumination is via Light Emitting Diode (LED) instead of a bulb. These LEDs are integrated with the illumination housing and cannot be serviced or replaced separately. ...

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