Symptoms of Damaged Transmission Gears?

1 Answers
CarlosLynn
07/29/25 9:06am
Symptoms of damaged transmission gears include difficulty in shifting gears, unusual odors inside the gearbox, the car not moving when in gear, abnormal noises from the transmission, and excessive noise. Common damages to transmission gears include: 1. Wear on the end faces of constantly meshing gears: The end faces of constantly meshing helical gears should have a certain axial clearance to ensure smooth operation. If the gear end faces are worn and grooved, they can be repaired by grinding. 2. Wear on the journal of meshing gears, needle bearings, and seat holes: The clearance between the seat hole of meshing gears, needle bearings, and the journal should be 0.01-0.08mm. Otherwise, replacement is necessary.
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