Volkswagen Polo Service & Repair Manual: Cracking
| Cracking is the term for shallow cracks in the sidewall of
the tire. |
| They run starting from the bulge in the direction of the
tire shoulder. See Illustration for the mentioned components.
Refer to
→ Fig. „“Components of a Tire”“. |
| The cause is the increase in material at the joints of the
tire components. |
| Cracking has no effect on |
| Other characteristics of the tire. |
| Cracks can be of varying visibility. Removing the tire from
the rim or an examination is not necessary. |
| Modern steel belted tires are constructed with single-ply
sidewalls to save weight. |
| The sidewall components consist of long strips before they
are joined together to form a tire. They must overlap at the
joints. Small irregularities/ripples form in the area of the
overlapping components. The overlaps are easier to see from the
outside due to the single-ply construction. |
|
|
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What is a Flat Spot From Standing?
Terms like flat portion, flattening, are also used as a term
for flat spots from standing.
...
A wear spot is a flat spot on the tread of the tires that
can be caused by extreme braking maneuvers on subsurface such as
asphalt.
...
Other materials:
Contents
Fig. 162 Contents of the vehicle
toolkit
First read and observe the introductory
information and safety warnings
The content of the vehicle toolkit depends on the vehicle equipment level.
The following describes the maximum scope.
The vehicle toolkit contains the following
Screwdriv ...
Exterior Lights, Switches
HID Headlamp Usage and Safety Precautions
Special tools and workshop equipment
required
Protective Eyewear
Gloves
–
Note the following if working with HID headlamps:
...
Tires, Dismounting
Remove the valve insert.
Note
If equipped handle the glued-on wheel trim carefully.
Surface slightly scratched.
Replace the damaged rim wheel trim.
...
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Flat Spots
Wear Spots