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166
Wheels and Tyres
Always check the inflation pressure of tyres when cold. Do not reduce the higher
pressure of warm tyres. Adapt the inflation pressure of the tyres accordingly if your
vehicle is carrying a significantly higher payload.
Tyre inflation pressure - Tyre size 185/55 R15
The same inflation pressure values apply to tyres of the tyre size 195/55 R15 as to
tyres of the tyre size 185/55 R15 which are intended to be used with snow chains,
see the inside of the fuel filler flap.
The tyres of the tyre size 185/55 R15, which are intended to be used with snow
chains and are fitted on models Roomster Scout, have the following inflation pres-
sure values in kPa.
Engine
1,2/63 kW TSI
1,4/63 kW
1,2/77 kW TSI
1,6/77 kW
1,2/55 kW TDI CR
1,6/66 kW TDI CR
1,6/77 kW TDI CR
Driving style
Fast cornering, sharp acceleration and braking (squealing tyres) increase wear-and-
tear on your tyres.
Balancing wheels
The wheels of a new vehicle are balanced. There are a wide range of influences
when driving which may result in an imbalance and which makes themselves felt
through vibration in the steering.
You should have the wheels rebalanced since any imbalance increases wear-and-
tear on the steering, the suspension and tyres. A wheel must also be rebalanced
when a new tyre is fitted and each time a tyre is repaired.
Wheel alignment errors
Incorrect wheel alignment at the front and rear will not only increase wear-and-tear
on the tyres but will also has an adverse effect on vehicle safety. Contact your
specialist garage if you notice any unusual tyre wear.
Partial load
Full load
220/210
220/210
220/210
220/210
230/320
220/220
220/220
220/210
WARNING
If the inflation pressure is too low, the tyre must perform a higher rolling
resistance. At higher speeds the tyre will warm up as a result of this. This can
result in tread separation and even a tyre blowout.
Immediately replace the damaged rims or tyres.
Tyres which are 6 years old or more should only be fitted in exceptional cases
and when adopting an appropriately cautious style of driving.
For the sake of the environment
Tyres which are insufficiently inflated increase your fuel consumption.
Wear indicators
The base of the tread of the original tyres has wear indicators 1,6 mm high, installed
at right angles to the direction of travel. These wear indicators are located at 6 - 8
points depending on the make and are evenly spaced around the circumference of
fig.
the tyre
144. Markings on the walls of the tyres through the letters "TWI",
triangular symbols or other symbols identify the position of the wear indicators.
A remaining tread of just 1,6 mm, measured in the grooves of the tread next to the
wear indicators, means that your tyres have reached their legally permissible
minimum tread depth.
WARNING
You must have your tyres replaced with new ones at the latest when the
wear indicators have been worn down. The legally permissible minimum tread
depth should be observed.
Fig. 144 Tyre tread with wear indicators
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