Volkswagen Transporter Instruction Manual page 36

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Operating instructions
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• Wheel alignment errors
Incorrect adjustment of wheel alignment
causes increased, usually one-sided
wear and also detracts from vehicles
safety.
In order to avoid having to replace tyres ear ­
lier than necessary in case of uneven tyre
wear it is advisable to change the tyres round
as shown below - without altering the direc ­
tion of rotation.
When the tread has worn down to a depth of
1 mm* measured at any point on the tread,
the tyre has reached the limit for safe usage.
We advise you however not to let the tyres
wear down to this extent as tyres with treads
in this condition cannot grip the road surface
properly when driving at high speeds on wet
roads.
• In other countries this figure may differ.
Wear Indicators. At the bottom of the tread
grooves of the original tyres on your vehicle
there are a number of 12 mm wide and 1.6
mm high bars running across the tyre.
When these bars appear in two or more adja­
cent grooves so that there is no longer any
tread at these points the tyres concerned
should be replaced as soon as possible.
IB2-9281
Replacing tyres
• For safety reasons it is advisable to re ­
new tyres on all four wheels at the same
time or to renew them at least in pairs on
the axles.
• Vehicles which are fitted in production
with radial ply tyres must be fitted with the
same type of tyre when replacements are
made .
• Only tyres of the same type and tread pat­
tern may be combined.
• A combination of radial ply and normal
tyres (cross ply) is not permitted.
• For safety reasons a new valve should
always be fitted when a new tubeless tyre
is being installed.
Winter tyres see "Winter driving".
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