What Causes Abnormal Noises in a Car's Transmission?

1 Answers
VanElla
07/29/25 1:18pm
Abnormal noises in a car's transmission can be caused by: 1. Worn or damaged bearings; 2. Loose bolts on the transmission housing; 3. Excessive play between the gearshift lever and the shift fork groove; 4. Long overdue transmission fluid change; 5. Use of inferior automatic transmission fluid; 6. Improper gear meshing clearance; 7. Gear tooth surface metal peeling, tooth breakage, or misalignment during assembly; 8. Water ingress into the transmission without timely repair. The transmission is a mechanism used to alter the speed and torque from the engine, capable of fixing or changing the gear ratio between the output and input shafts. It is categorized into stepped transmissions, continuously variable transmissions (CVT), and integrated transmissions.
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