Why does the Volkswagen Lavida make noise when reversing?

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The reasons for the Volkswagen Lavida making noise when reversing: The reverse gear bearing is damaged, or the bearing lubrication is poor, causing friction noise; the brake pads are excessively worn, producing noise. Below is a detailed introduction to the causes and solutions for this issue: Reverse gear bearing damage or poor lubrication: Excessive wear of the reverse gear bearing during use causes damage, or poor lubrication, which results in noise when reversing. Solution: Check whether the bearing is intact and whether the lubrication is sufficient. Excessive wear of brake pads: The wear of the brake pads has reached the limit, causing friction between the brake warning plate and the brake disc, resulting in a metal-on-metal sound. Solution: Regularly check the wear condition of the brake pads and replace them if necessary.