VW Golf manuals

Volkswagen Golf Service & Repair Manual: Measuring tread depth

  Note
The tread depth is measured in the main tread channels.
Do not measure at the TWIs (Tread Wear Indicators).
   
Measure the tread depth in the main tread channel, at the points where the tyre is worn most heavily. The position of the TWIs can be seen at various points on the shoulder of the tyre → Item.
A “Δ” or the manufacturer's “logo” may appear in the place of “TWI”.
The bars of the TWI have a height of 1.6 mm. This is the minimum tread depth required by German law.
Different values may apply in other countries.
 

Measuring tread depth

The TWIs must not be included in the measurement. Tread depth should always be measured at the deepest point of the tread channel.
A -  TWIs in the main tread channels
B -  Main tread channels with TWIs -arrows-
 

Measuring tread depth

Saw-tooth wear
Saw-tooth wear is a stepped wear pattern on the individual tread blocks → Fig. that can cause increased tyre noise. The saw tooth is caused by uneven ...

One-sided wear
This is often caused by driving style, but can be the result of incorrect wheel alignment.     Increased one-side ...

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