What causes the buzzing resonance in the Touareg?
2 Answers
The buzzing resonance in the Touareg is caused by the sound of the mechanical supercharger or the power steering pump, which are characteristic features of the Touareg. Solutions for the buzzing resonance: If there is an issue with the rear wheel bearings, it is recommended to inspect and proceed with further repairs or replacement. Reasons for the power steering pump noise in the Touareg: The noise from the brake booster pump is caused by a vacuum tube leak. During braking, the vacuum entering the booster pump is controlled to move the diaphragm, and through a linkage device, the pushrod on the diaphragm assists in stepping on and pushing the brake pedal. The vacuum pump is driven by the camshaft to rotate the rotor inside the pump, and the blades connected to the same shaft as the rotor rotate at an eccentric position. During the eccentric rotation, the volume above the blades is continuously compressed and released.
Last year when I was driving my Touareg, I experienced a humming noise and vibration sensation, which was quite annoying at first. The steering wheel and seats shook noticeably while driving. After discussing with friends, they suggested it was likely caused by unbalanced tires or deformed rims. I went to the shop for wheel balancing, and the issue was resolved. However, it could also be due to aging rubber bushings in the suspension, which cause friction noises when they leak oil. Additionally, if the brake discs are unevenly worn, the humming noise becomes more pronounced at high speeds. If the resonance is most noticeable at speeds between 60-80 km/h, it indicates a loose chassis system, which needs immediate repair to prevent further damage to the steering system. For regular maintenance, it's advisable to periodically inspect chassis components, tire pressure, and wear conditions. Addressing issues early saves money and ensures peace of mind.
