Volkswagen Polo Service & Repair Manual: Tire Wear, Center
This wear pattern is found on drive wheels on high-powered
vehicles that often drive long stretches at high speed. |
At high speeds, the centrifugal force increases the tire
diameter at the center of the tread more than at the shoulders
of the tire. The drive forces from the center area of the tread
are transferred to the road surface. This is reflected in the
wear pattern. |
These effects can appear especially extreme on wide tires. |
Reducing the Tire Pressure is Not an Effective Remedy for
this Wear Pattern. |
WARNING
For safety reasons, tire pressure must never be
lowered below specified pressure under any
circumstances. |
|
A largely even wear pattern can be achieved if tires are
changed in a timely manner from the tractive to the non-tractive
axle. |
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Typical wear pattern of tires on the tractive axle of
high-powered vehicles. |
The increased wear at the tread center is caused by stresses
related to the centrifugal force of the tire and the
transmission of traction forces. |
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Diagonal wear spots on tires
Diagonal wear spots run at an angle of approximately 45°
with respect to the plane of circumference.
...
For all four wheels use only tires of the same construction
type, and tread.
Always use tires with the deepest tread depth on the front
a ...
Other materials:
Battery Safety Label
Battery Safety Label
1. -
When working in the area of batteries, fire, sparks, open
flame and smoking are prohibited. Avoid sparks when working with
cables and electrical devices, and from electrostatic discharge.
Avoid s ...
Refrigerant Circuit Repair Information
WARNING
When performing work on refrigerant circuit, observe
all generally applicable safety precautions and pressure
vessel regulations.
Cautio ...
Cleaning windows and exterior mirrors
First read and observe the introductory information
and safety warningsCleaning windows and exterior mirrors
Moisten the windows and exterior mirrors with commercially available, alcohol-based
glass cleaner.
Dry the glass surfaces with a clean chamois leather or a lint-free cloth. Chamois
l ...
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