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). |
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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. |
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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- |
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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 ...
This is often caused by driving style, but can be the result
of incorrect wheel alignment.
Increased one-side ...
Other materials:
Temporarily switch off the area monitoring system (Front Assist) in the following
situations
First read and observe the introductory information
and safety warnings The area monitoring system (Front Assist) should be switched
off in the following situations due to system limitations :
If the vehicle is being towed.
If the vehicle is on a rolling road test bed.
If t ...
Contact corrosion
Contact corrosion can occur if unsuitable connecting
elements (screws, bolts, nuts, washers, etc.) are used.
For this reason, only connecting elements with a special
surface coating are fitted in the vehicle.
Moreover, c ...
Deactivating APP function of wiper motor
The windscreen wiper system is equipped with an APP function
(alternating park position).
With the APP function, the wiper is moved up slightly once
it has reached the lowest position. This occurs every second
time the wiper system is sw ...
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