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. |
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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:
Compressor Types, Checking Pressures
Note
Check cooling performance. The A/C system is functioning
correctly when the air flowing from the instrument panel vents
has a temperature of 70C or lower.
Setting on Climatronic “LO”.
...
Anti-theft alarm
First read and observe the introductory information
and safety warnings
Depending on the vehicle equipment level, the vehicle may have an anti-theft
alarm and a SAFELOCK mechanism .
The anti-theft alarm makes it more difficult to break into the vehicle or steal
it.
The anti-theft alarm is ...
Introduction
This chapter contains information on the following subjects:
→ Positive and earth jump lead connection points
→ How to start the engine using jump leads
If the engine fails to start because the vehicle battery is flat, the flat
battery can be connected to the battery of anothe ...
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