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. |
|
|
|
| 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. Belt clip
Fig. 63 On the right outer
seat of the second row of seats: belt clip
First read and observe the introductory information
and safety warnings Belt clips are located on each of
the outer seats on the second row of seats. They prevent the belt from twisting,
thus preventing damage to t ...
Volkswagen Touran Owners Manual. Introduction
This chapter contains information on the following subjects:
→ Preparations for changing a wheel
→ Wheel bolts
→ Lifting the vehicle with the jack
→ Changing the wheel
→ After changing a wheel
Some models are delivered without a fa ...
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Tires, Rolling Noises, General Information
Vehicle Pulls to One Side