What to Do When the Transmission Has Abnormalities?

1 Answers
ReaganRose
07/29/25 7:52pm
Once abnormalities occur in the transmission, it should be sent for repair immediately. If transmission issues are ignored and the vehicle continues to be used, it may eventually lead to the vehicle not moving or even the entire transmission being scrapped. Symptoms of transmission abnormalities: 1. Transmission noise: Abnormal sounds within the transmission are mainly caused by bearing wear and looseness or abnormal gear meshing. When bearings wear out or the outer ring of the bearing becomes loose with the transmission housing, or the bearing is damaged, the noise will manifest as a jumping or knocking sound. 2. Transmission jumping out of gear: This refers to the situation where, while driving, the driver slightly releases the accelerator pedal, and the gear lever automatically jumps back to neutral, causing the sliding gear to disengage from its meshing position. This is mainly due to bearing looseness, sliding keyway slack, gear wear, sleeve teeth and spline wear, or the teeth becoming tapered or stepped along their length, fork and gear groove wear, shift rail surface and ball wear, ball out-of-roundness, weakened or broken spring tension, fork deformation, and looseness in the transmission linkage components of the gear lever.
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