What are the reasons for sudden gear failure in a car?

1 Answers
ColtonRose
07/29/25 10:54pm
The reasons for sudden gear failure in a car are as follows: Manual transmission: Internal gear wear in the gear lever causes the lever to get stuck, making it difficult to move forward or backward, resulting in the inability to shift gears or difficulty in shifting. Additionally, incomplete clutch disengagement and debris in the transmission fluid can also cause sudden gear failure. Automatic transmission: It may be due to gear lock or not fully braking when parking, leading to gear braking instead of brake braking. Furthermore, if the entire vehicle cannot power on, the automatic transmission will enter self-protection mode, making it impossible to shift gears, in which case gear unlocking is required.
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