Volkswagen Polo Service & Repair Manual: Wear Spots
| |
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. |
| At the same time a tire during the braking maneuver is
rubbed at selective points which causes a tire imbalance. |
| The consequences of a wear spot is strong vibrations in the
vehicle, which can lead to a worsening of the driving behavior
and a higher noise generation. |
| In most cases the tire tends to lock up due to the larger
running surface at this location even with a slightly reduced
braking effect leading to an increase in the vibrations. |
| Only for low intensity wear spots can the vibrations
disappear after a short time through further wear on the tire. |
Caution
| “Large” wear spots due to wheel lock are
irreparable! Tires with such damage must be replaced. |
|
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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. Se ...
A swelling in the flank of the tire indicates that the
substructure of the carcass has been damaged.
Typical ...
Other materials:
Test after driving for 10 minutes
First read and observe the introductory
information and safety warnings
Reconnect the tyre filler hose and check the tyre pressure on the tyre
pressure display ⑥.
1.3 bar (19 psi / 130 kPA) and lower:
Do not drive on! The tyre cannot be sealed adequately
with the breakdown set.
...
Discharge Refrigerant Circuit with A/C Service Station
Caution
If it is suspected that chemicals were added to the
refrigerant circuit to seal leaks, do not connect the
A/C service station and do not extract the refrigerant.
...
7-Pin« Trailer Socket
If more electrical consumers need to be connected than the
»7-pin« socket allows, a second
»7-pin« socket must be installed.
Pin assignment must conform to DIN ISO 1724:
1 - Left turn signal
2 - Tail ...
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Cracking
Tire Sidewall Swelling