Volkswagen Polo Service & Repair Manual: Tire Service Life, Influences
| The following factors influence the service life of a tire
in varying degrees. |
| Exterior temperature/climate |
| Dynamic toe and camber values |
| Tire Operating Conditions |
| Changes to the Suspension: |
| If a “lowering-kit” and /or light alloy wheels from
accessories which have not been approved by the vehicle
manufacturer are used, wheel alignments which deviate from the
alignment specified in design may occur during travel. |
| Even if the adjustment of the axle geometry measured on a
standing vehicle is correct, changes in the body height and
positions of the wheels during travel can lead to changes to the
paths of travel of the wheel suspension. |
| For this reason, uneven wear is pre-programmed. |
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Heel-and-toe wear is step-like wear of individual tread
blocks, due to which an increased rolling noise can develop. The
heel-and-toe wear is caused by the uneven dis ...
Other materials:
Seat belt protection
Fig. 49 Driver restrained by a properly
positioned seat belt during a sudden braking manoeuvre
First read and observe the introductory information
and safety warnings
Correctly fastened seat belts can make a major difference. When fastened properly,
seat belts hold the vehicle occupants in ...
Start/stop system
Fig. 119 In the upper part of the centre
console: button for the start/stop system
First read and observe the introductory information
and safety warnings If the start/stop system is activated, the
engine will be switched off automatically when the vehicle is stationary. When required,
t ...
Cross-Section of a Radial Ply Tire
1 -
Tread Block
2 -
Tread Groove
3 -
Tread
4 -
Nylon Ply
5 -
Belt Layers
Consists mostly of steel
6 -
Bead Bundle
...
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Tire Wear
Heel and Toe Wear