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. Stowage compartment in the front centre armrest
Fig. 112 Stowage compartment
in the front centre armrest
First read and observe the introductory information
and safety warnings To open, pull the centre armrest
all the way up in the direction of the arrow .
To close, guide the armrest down.
WARNING
The centre armrest coul ...
Volkswagen Touran Owners Manual. Tyre damage
First read and observe the introductory
information and safety warnings Damage to tyres and rims is often not
readily visible. If you notice unusual vibration or the car
pulling to one side, this may indicate that one of the tyres is damaged
.
Reduce your speed immediately if you s ...
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Tires, Rolling Noises, General Information
Vehicle Pulls to One Side