What are the causes of abnormal noise in the transmission?

1 Answers
KatherineRose
07/30/25 10:57am
Introduction to the causes of transmission noise: 1. Wear and damage of bearings. When bearings wear out, their clearance increases and their fitting accuracy decreases; when bearings are damaged, abnormal noise will occur due to their inability to operate normally, and may even cause damage to the transmission components, leading to further faults. 2. Abnormal gear meshing clearance. This can be caused by wear of transmission components or the use of parts with low precision during replacement, resulting in excessive clearance; or by overly tight gear clearance during assembly. 3. Metal peeling on gear tooth surfaces, broken gear teeth, or misalignment during assembly. 4. Insufficient lubricant leading to poor lubrication. The corresponding lubricant should be replaced. 5. Water ingress into the transmission. If not repaired in time, it may cause noise problems over time.
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