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Bilstein: Use the changeover season for driving checks + expert tip
Bilstein advises workshops to use the tire changing season for visual chassis checks. Because cars are getting older and chassis defects can increase.
Bilstein: Use the changeover season for driving checks + expert tip
Undercarriage damagecan have dramatic effects: Defective or worn shock absorbers increase the risk that the vehicle will lose traction and stall. Especially when cornering quickly or making sudden evasive maneuversthe tires quickly lose grip. In addition vThe braking distance increases by up to 20 percentand the risk of aquaplaning increases. ABS and ESP can only partially compensate for this effect, as their effectiveness is significantly reduced.
Bilstein advises: “At the latestevery 20,000 kilometersshould be oneexaminationtake place. A good time for this is, for example, the seasonal wheel change, when the car has to go on stage anyway. The expert's eye can detect a lot of damage to the dampers during a visual inspection. The periphery in particular also suffers: such as dust protection tubes, bump stops, rubber sleeves and plastic elements. They can all wear out, become damaged or even be lost completely. Low temperatures in particular cause all types of materials to become brittle or even literally break apart due to frost formation. Cars with air springs are no exception, as they also have conventional shock absorbers and are susceptible to leaks: cables such as air suspension bellows are affected. Although a certain amount of loss is compensated for by the compressor, it can also be damaged due to the additional load.
For conventional chassis, the shock absorber test bench ideally complements the visual inspection.Cautionis, howeverwith active air suspensionrequired, because here under certain circumstances“Phantom Defects”be displayed. Bilstein expert Mustafa Yavu explains: "Since the vehicle is actually stationary during the test bench simulation, the systems usually switch to the highest comfort mode, which is only designed for low speeds. However, because the test simulates normal driving, the wheels lift off more quickly. This then leads to the false assumption that the chassis is defective."