Volkswagen Golf Service & Repair Manual: Wear in middle of tyre
| This wear pattern is found on the driven wheels of
high-performance vehicles that are frequently driven long
distances at high speeds. |
| At high speeds, centrifugal forces cause the tyre diameter
to increase more in the middle of the tread than it does at the
shoulder. This causes drive forces to be transferred to the road
surface from the centre section of the tread. This is reflected
in the wear pattern. |
| Effects of this kind can be especially pronounced on wide
tyres. |
| It is not possible to counter this wear pattern by reducing
the tyre pressure. |
WARNING
| For safety reasons, the tyre pressure must not under
any circumstances be reduced below the specified tyre
pressure. |
|
| A more or less even tread wear pattern can be achieved by
interchanging the tyres on the driven wheels and non-driven
wheels in good time. |
|
|
|
| The typical tread wear pattern of tyres run on the driven
wheels of a high-performance vehicle. |
| The increased wear in the centre section of the tread
results from the extra loading associated with centrifugal
forces within the tyre and the transmission of drive forces. |
|
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Diagonal washout on a tyre
Diagonal washout runs at an angle of approx. 45° to the
direction of rotation.
It usually occurs a ...
Only tyres of the same construction and tread pattern should
be used on all four wheels.
Always fit the tyres with the deeper tread to the fron ...
Other materials:
Removing and installing washer pump, »R«
Special tools and workshop equipment
required
Drip tray
Removing
–
Remove washer fluid reservoir
→ Chapter.
...
Masking areas, front body
Masking areas, plenum chamber
A -
No sealant on threads or contact surfaces.
C -
No cathodic dip primer, surfacer or top coat on threads or contact
surfaces.
D -
Threads free of surfacer and top-coat pa ...
Vehicles with multilink suspension
The connecting pipe can be cut through at the cutting point
in order to renew the centre and rear silencers separately.
Cutting point is marked by an indentation on circumference
of exhaust pipe.
Special tools and ...
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Diagonal washout
Permissible deviation in tread depth