Volkswagen Touran Service Manual: Wear Spots
A wear spot is a flat spot on the tread of the tires that
can be caused by extreme braking maneuvers on subsurface such as
asphalt. |
At the same time a tire during the braking maneuver is
rubbed at selective points which causes a tire imbalance. |
The consequences of a wear spot is strong vibrations in the
vehicle, which can lead to a worsening of the driving behavior
and a higher noise generation. |
In most cases the tire tends to lock up due to the larger
running surface at this location even with a slightly reduced
braking effect leading to an increase in the vibrations. |
Only for low intensity wear spots can the vibrations
disappear after a short time through further wear on the tire. |

Caution
"Large" wear spots due to wheel lock are
irreparable! Tires with such damage must be replaced. |
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Cracking is the term for shallow cracks in the sidewall of
the tire.
They run starting from the bulge in the direction of the
tire shoulder. Se ...
A swelling in the flank of the tire indicates that the
substructure of the carcass has been damaged.
Typical ...
Other materials:
Volkswagen Touran Service Manual. Matting Component -ALN 775 106-
Definition:
Matting Component -ALN 775 106-
Edition 04/2013
Product Description
With the two-part HS top coat, the Matting Component -ALN
775 106- produce a matted top coat c ...
Volkswagen Touran Service Manual. Wear Spots
Wear spots are caused by a hard stop with locked wheels
whereby the rubber compound is abraded from the contact patch.
When the tires slide across the road surface, frictional
heat is generated which reduces the abrasion resistance on the
...
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