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. Opening or closing the windows electrically
Fig. 32 In the driver door:
buttons for the front and rear electric windows and the safety button.
Fig. 33 In the driver door:
Buttons for the front and rear electric windows and buttons for the electrical childproof
lock
First read and observe the introductory information
and safety war ...
Volkswagen Touran Owners Manual. Introduction
This chapter contains information on the following subjects:
→ The dangers of assuming an incorrect sitting position
→ Correct sitting position
→ Controls on the front seats
→ Adjusting the seats in the second row of seats ...
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Tires, Rolling Noises, General Information
Vehicle Pulls to One Side