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
tread compound. |
| Even the most abrasion-resistant tread compound cannot
prevent wear spots which can occur during extreme braking. |
| Even ABS cannot completely prevent brief locking and the
resulting slightly flat spots. |
| The degree of abrasion is primarily dependent on the vehicle
speed, road surface and tire load. For clarification see the
following examples. |
| If a vehicle with locked front wheels is decelerated until
it comes to a stop, the abrasion of rubber on the post card
sized contact patch is approximately |
| from 57 km/h (35.41 mph) = 23.8 m braking distance, up to
2.0 mm, |
| from 75 km/h (46.60 mph) = 41.8 m braking distance, up to
3.3 mm, |
| from 92 km/h (57.16 mph) = 71.6 m braking distance, up to
4.8 mm. |
|
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|
| Tires with this type of damage cannot be used and must be
replaced. |
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Rolling noise perceived by the human ear is caused by
vibrations transmitted from the noise source to the ear via the
air.
Here we are interest ...
General Information
Perform a road test to determine if a vehicle pulls to one
side and if so, when and to which side. If the vehicle pulls to
one side. Refer to
...
Other materials:
Volkswagen Touran Owners Manual. Vehicle lifting points
Fig. 188 Lifting points at front for
the lifting platform or vehicle jack
Fig. 189 Lifting points at rear for
the lifting platform or vehicle jack
First read and observe the introductory
information and safety warnings The vehicle may only be lifted at the
points shown in the illustrat ...
Volkswagen Touran Service Manual. Two-Part Wash Primer
Definition:
Two-Part Wash Primer -LHV 043 000 A2-
Edition 10/2010
Product Description
The two-part wash primer is a zinc chromate-free,
phenol-free and acid-free two-componen ...
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Tires, Rolling Noises, General Information
Vehicle Pulls to One Side