When temperatures rise again, it is time to replace the winter tires to summer tires. They are generally from 7 degrees Celsius, the better choice. If the tires from last year be re-installed shall be sufficient for the profile. Legally required a tread depth of at least 1.6 millimeters. The Society for Technical Supervision (GTÜ) recommends, for reasons still improving road safety for summer tires at least 3 millimeters.
Who must obtain new tires, should focus on quality products, advises the standards authority. Key points include handling, braking, aquaplaning, cornering, rolling resistance, comfort, noise and wear. Good summer tires are not necessarily expensive. This is also the current GTÜ summer tire test shows the size 205/55 R16 (www.
GTÜ. Com / product tests). Offered as a new tire should not be older than three years. As tires age due to chemical and physical processes and by the mere storage, the rule is: the younger the better. Even the layman to recognize the so-called DOT number, with each tire on its side and betray its last four digits indicate the production date.
Is there, for example "5010", it means that the tire 50th in the Week of the year 2010 (ie between 13 and 19 December 2010) was made. Typically, when changing the wheels are mounted back to front. The standards authority does not recommend to change tires from left to right. This ensures that always remain laufrichtungsgebundende tires mounted on the right side.
By the one-sided exchange, the tire wear more evenly and can if necessary be replaced once every four on the latest products. New tires are in the workshop never mounted without balancing. The GTÜ recommends this measure at regular intervals even for used tires, because over time can cause imbalances, such as when driving over curbs.
That's the worst case by a "fluttering" or unusual vehicle steering wheel vibration particularly noticeable between speed 80 and 120. It also usually leads to uneven tire wear and, consequently, greater wear on tires and suspension. Already used summer tires should be checked before installation.
Tread and sidewalls are damaged? Irregularly abraded tire indicate defective shock absorbers, a false, but usually readjustable suspension geometry, even at low inflation pressure, or an imbalance of the tire. The wheel bolts must be tightened to the manufacturer's specified torque, which is in the manual.
This is required in addition to the normal wheel cross a torque wrench, which allows control of the tightening torque. Too little is just as harmful as too much. In both cases, the screws loosen. With too much tightened bolts also the captive material properties of the compound Rim / Wheel will be affected.
Immediately after the assembly is on the right tire pressure to be respected, which is also found in the manual and in the gas cap or in the entrance area of the driver's door. The air pressure of the spare wheel should not be forgotten that it is actually ready in case of emergency. (Ampnet / jri) 
Who must obtain new tires, should focus on quality products, advises the standards authority. Key points include handling, braking, aquaplaning, cornering, rolling resistance, comfort, noise and wear. Good summer tires are not necessarily expensive. This is also the current GTÜ summer tire test shows the size 205/55 R16 (www.
GTÜ. Com / product tests). Offered as a new tire should not be older than three years. As tires age due to chemical and physical processes and by the mere storage, the rule is: the younger the better. Even the layman to recognize the so-called DOT number, with each tire on its side and betray its last four digits indicate the production date.
Is there, for example "5010", it means that the tire 50th in the Week of the year 2010 (ie between 13 and 19 December 2010) was made. Typically, when changing the wheels are mounted back to front. The standards authority does not recommend to change tires from left to right. This ensures that always remain laufrichtungsgebundende tires mounted on the right side.
By the one-sided exchange, the tire wear more evenly and can if necessary be replaced once every four on the latest products. New tires are in the workshop never mounted without balancing. The GTÜ recommends this measure at regular intervals even for used tires, because over time can cause imbalances, such as when driving over curbs.
That's the worst case by a "fluttering" or unusual vehicle steering wheel vibration particularly noticeable between speed 80 and 120. It also usually leads to uneven tire wear and, consequently, greater wear on tires and suspension. Already used summer tires should be checked before installation.
Tread and sidewalls are damaged? Irregularly abraded tire indicate defective shock absorbers, a false, but usually readjustable suspension geometry, even at low inflation pressure, or an imbalance of the tire. The wheel bolts must be tightened to the manufacturer's specified torque, which is in the manual.
This is required in addition to the normal wheel cross a torque wrench, which allows control of the tightening torque. Too little is just as harmful as too much. In both cases, the screws loosen. With too much tightened bolts also the captive material properties of the compound Rim / Wheel will be affected.
Immediately after the assembly is on the right tire pressure to be respected, which is also found in the manual and in the gas cap or in the entrance area of the driver's door. The air pressure of the spare wheel should not be forgotten that it is actually ready in case of emergency. (Ampnet / jri)
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