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What Causes Abnormal Noise in the Engine Transmission?

1 Answers

LaSavannah

07/30/25 2:01am

The causes of abnormal noise in the engine transmission are: 1. Wear and damage of bearings; 2. Abnormal gear meshing clearance; 3. Gear tooth surface metal peeling, tooth breakage, or misalignment during assembly; 4. Insufficient lubrication due to inadequate lubricant; 5. Water ingress into the transmission; 6. Loose bolts in the transmission housing; 7. Excessive play between the gearshift lever and the shift fork groove in a manual transmission; 8. Long-term lack of automatic transmission fluid replacement; 9. Use of inferior automatic transmission fluid. Transmissions are divided into manual transmissions and automatic transmissions. Manual transmissions mainly consist of gears and shafts, while automatic transmissions are composed of a torque converter, planetary gears, a hydraulic torque variation system, and a hydraulic control system.

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What Causes the Clicking Sound When Using One-Button Start?

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