Useful information
Useful information
Useful tips
Tyre inflation
It is very important to check your tyre pressure at least once a month with a special pressure gauge. Under- or over-inflation can lead to improper, excessive tyre wear, which can lead to overheating, increased fuel consumption and even the risk of a tyre explosion. Check tyre pressure when tyres are cold and have not been used for a while. Even if you have driven for one kilometre, this will increase the pressure, making the measurement inaccurate. A steady drop in pressure indicates a possible problem with the tyre itself or with its fitting. If you notice such a situation, consult a professional tyre dealer immediately.
Tread check
Check your tyre tread regularly to know when to change your tyres. All passenger car and small lorry tyres have tread wear indicators built into the tread itself. These strips are fitted in the tread grooves at several points on the tyre. When the tyre is worn to the point where these strips are visibly flush with adjacent tread grooves, it is time to change the tyre. If the tread is worn in only one or two places, it may indicate that the tyre is not inflated properly. Below we list some of the most common forms of uneven tread wear and the problems that cause them.
Depressions in the tread: FUSED PARTS
This is usually a front tyre problem, although rear tyres can also be affected. It could be a sign that your tyres are out of balance, or that your car’s braking or steering systems are worn out.
Saw teeth: misalignment of axes
Do the edges of your tyre tread resemble saw teeth or feathers? This can be eliminated by compressing or spreading the axles. Proper tread groove depth is essential for proper tyre performance. If you notice reduced or changed grip on wet surfaces, your tyre tread may be worn. When the tread depth is as low as 3mm, the tyre should be replaced.
Wear in the centre: excessive pressure
When tyres are over-pressurised, the centre of the tread has to bear the full weight of the tyre, so it wears out faster than the outer parts. Uneven wear shortens the tyre’s useful life. Check the pressure in your car tyres regularly. Abnormal tyre performance can be caused by axle misalignment and mechanical problems.
Wear and tear on both edges: too little pressure
If your tyre looks like this, it may be under-inflated. Underinflation, which leads to more wear on the outer edges of the tyre, shortens the life of the tyre. This is also shortened by the fact that the tyre becomes hotter. Finally, it increases fuel consumption by increasing drag (soft tyres make your car work harder). Abnormal tyre performance can be caused by axle misalignment and mechanical problems.
Tyre balancing
Unbalanced tyres cause vibrations that lead to driver fatigue and premature, abnormal tyre wear, as well as extra stress on the brakes. The tyres on your machine should be balanced when they are first fitted or after a repair. Tyres should be checked for balance at the first sign of vibration.
Introduction
Alignment is correct when all suspension and steering components are intact and the wheels are running straight and true. Uneven tread wear can be a sign of axle misalignment. Only a professional can correct this problem.
Changing tyres
While most people can change their tyres themselves, it is quicker, easier and safer to do it professionally. Your car’s handbook must specify the specific method and frequency of tyre changes. If no specific frequency is specified, it is best to change your tyres with at least 4mm of tread remaining.
Tyre repairs
Tyre repairs should be carried out by trained professionals. Proper repair procedures must be carried out after the tyre has been removed from the wheel, so that any possible damage can be thoroughly searched for and any punctures repaired, as required by the rules of professional repair.
Specialist advice
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