Why is there abnormal noise when downshifting from 3rd to 2nd gear in a dry/wet dual-clutch transmission?

1 Answers
LydiaLee
07/25/25 2:56pm
The causes of abnormal noise when downshifting from 3rd to 2nd gear in a dry/wet dual-clutch transmission: gear shift fork noise and loose chassis components. Gear shift fork noise: During the gear shifting process of a dual-clutch transmission, the final gear selection is completed by the gear shift fork, which is prone to producing abnormal noise during operation. Additionally, the clutch assembly may also generate noise during gear shifting. Loose chassis components: If the noise is caused by loose chassis components, there will be a knocking sound. Use a lift to raise the vehicle, then tighten all the fixing bolts of the chassis components with a torque wrench. After tightening, test drive the vehicle to see if the noise issue is resolved.
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