How to Check the Condition of a Used Car's Transmission?

1 Answers
LaGiselle
07/30/25 12:20am
Check for oil leaks around the transmission oil pan. Start the engine, engage each gear, and observe whether the transmission jerks when shifting gears. Then proceed with a road test to assess if the gear shifts smoothly and whether there are any severe jerking sensations. Below is relevant information about the transmission: 1. Composition: The transmission consists of a gear transmission mechanism and a control mechanism, with some vehicles also including a power take-off mechanism. Most transmission mechanisms use ordinary gear transmission, while some employ planetary gear transmission. Ordinary gear transmission mechanisms typically use sliding gears and synchronizers, among others. 2. Function: The transmission is a crucial component in a vehicle's powertrain, serving to change speed and torque. Without a transmission, a car cannot operate normally. 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, hence also known as a gearbox.
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