Volkswagen Touran Service Manual: Tread Depth, Measuring
 Note
| When measuring tread depth, take measurements in the main
grooves. |
| Do not take measurements at the tread wear indicator. |
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| 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. |
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| 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
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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 ...
In many causes, this is caused by driving style, but
sometimes it is also caused by incorrect axle adjustment.
...
Other materials:
Volkswagen Touran Owners Manual. Fastening rings
Fig. 102 In the luggage compartment:
fastening rings
First read and observe the introductory information
and safety warnings You will find fastening rings at
the front and rear of the luggage compartment which can be used to secure luggage
(arrow).
Some fastening rings have ...
Volkswagen Touran Service Manual. Tire Sidewall Swelling
A swelling in the flank of the tire indicates that the
substructure of the carcass has been damaged.
Typical causes for such damage include, for example, driving
over curbs at a sharp angle.
...
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Heel and Toe Wear
Tire Wear, One Sided