Volkswagen Polo Service & Repair Manual: Wear Spots

Volkswagen Polo Service & Repair Manual / Whels, Tires, Whel Alignment / Handling Problems / Driving Noise / 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.

Wear Spots in Tread

Tires with this type of damage cannot be used and must be replaced.

Wear Spots

Tires, Rolling Noises, General Information

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 ...

Vehicle Pulls to One Side

...

Other materials:

Long-Term Underbody Protection -D 314 D38 M2-, Bright Color
Definition: Long-Term Underbody Protection -D 314 D38 M2-, Bright Color Edition 02/2010 Product Description Long-Term Underbody Protection -D 314 D38 M2- is a bright, transpa ...

EU Tire Label, Goals
To reduce fuel usage To improve road safety To reduce traffic noise The EU Tire Label Provides the End-User with Information About the Tire's Most Important Properties. However, it Does ...

Interior and reading lights
First read and observe the introductory information and safety warnings Button or position Function Switches off the interior lights. Switches on the interior lights. Switches door contact switch on (central posit ...