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. |
|
|
|
| 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. |
|
|
|
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:
Preserving Wax (Spray Can)
Definition:
Preserving Wax -D 308 SP5 A1-
Edition 04/2009
Product Description
The Preserving Wax -D 308 SP5 A1- provides optimal corrosion
protection for areas in the body th ...
AGM Battery
Maintenance-Free Battery with Specific Electrolyte without a
Visual Indicator
Lead-acid battery, where the electrolyte is fixed in an
absorbent glass mat (AGM). The battery is closed and equipped
with breather valves.
...
Introduction
This chapter contains information on the following subjects:
→ Warning lamp
→ Childproof lock
Additional information and warnings:
Exterior views
Vehicle key set
Central locking system
Manual opening and closing
WARNING
Any door that is not properly ...
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