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 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- |
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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:
Run-Flat Tire, Retrofitting/Conditions for use of Run-Flat Tires
Caution
Using run-flat tires on vehicles is permitted only
if the run-flat tire is supplied with the vehicle either
as standard equipment or as an option.
Because pressure ...
Airbag and Belt Tensioner Wire Repair Information
Note
Observe general notes for repairs on the vehicle electrical
system. Refer to
→ Chapter „Vehicle Electrical System, General Repair
Information“.
In addition to the general repairs on wiring harnesses, th ...
Contents
Fig. 162 Contents of the vehicle
toolkit
First read and observe the introductory
information and safety warnings
The content of the vehicle toolkit depends on the vehicle equipment level.
The following describes the maximum scope.
The vehicle toolkit contains the following
Screwdriv ...
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