Volkswagen Golf Service & Repair Manual: Diagonal washout
| Diagonal washout on a tyre |
| Diagonal washout runs at an angle of approx. 45° to the
direction of rotation. |
| It usually occurs at one point only, but can also occur at
several points around the circumference of the tyre. |
| Washout occurs almost exclusively on the tyres on the
non-driven wheels, in particular at the rear left. Washout
occurs very often on some models, while it poses no problem at
all on other models. The effect is intensified by high toe-in
values. Toe-in values in the region of the lower tolerance
limits of the specified alignment values improve the wear
pattern. |
| The most pronounced diagonal washout is often found in the
area where the tyre components are joined. |
| Wheels with positive toe-in roll with a slip angle even
straight ahead. This leads to a diagonal stress in the contact
patch or footprint on the tyre/road surface. |
| This wear pattern is intensified when tyre pressure is too
low. To avoid such tread wear patterns, the toe-in values of the
two rear wheels should be identical and the specified tyre
pressures observed. |
| If you detect washout, you should fit the wheels on the
driven axle, assuming the washout is identified at an early
stage. Deeper washout cannot be repaired. |
| If a customer complains of “diagonal wear spots”, the toe
adjustment must be examined. If toe-in is correct, the cause of
the diagonal washout is very probably the tyre itself. |
| Tyres with diagonal washout caused by incorrectly set axle
geometry at the wheels are not covered by warranty. |
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Unsuitable use of self-levelling adjustments on pneumatic
suspension system
The use of the offroad level is recommended only for driving
offroa ...
This wear pattern is found on the driven wheels of
high-performance vehicles that are frequently driven long
distances at high speeds.
At high ...
Other materials:
Drawers
Fig. 116 Drawer under the front seat
First read and observe the introductory information
and safety warnings A drawer may be located under each of the front seats
.
Opening or closing the drawer
To open, press the button in the drawer grip and open the drawer.
To close, push the dra ...
Brake fluid
Fig. 144 In the engine compartment: cap
on the brake fluid container
First read and observe the introductory information
and safety warnings Brake fluid will gradually absorb water from the surrounding
air. The brake system will be damaged if there is too much water in the brake fluid.
T ...
Tyre ageing
Even visually flawless, new or barely used tyres with
sufficient tread depth, which are older than six years, may show
significant reduction of wet properties and winter suitability
due only to ageing.
Tyre tests show that a contin ...
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Outer shoulder wear
Wear in middle of tyre