What is the situation when a manual transmission car jumps out of gear?

1 Answers
StTyler
07/29/25 1:50pm
There are several main reasons why a manual transmission car jumps out of gear: 1. The gear linkage mechanism is misaligned, and the gear is not fully engaged. 2. The reverse gear locking mechanism inside the transmission is worn out, making it unable to effectively lock the reverse gear. 3. The meshing teeth on the inertial lock ring or the synchronizer cone ring and the inner meshing teeth on the sliding sleeve are worn into a conical shape over time, generating axial thrust on the meshing teeth. When this thrust exceeds the locking force of the gear spring, the gear will jump out. 4. The locking force of the gear spring becomes weak or breaks, or the self-locking steel ball falls out or is damaged. 5. The sliding teeth or the gear shift mechanism's gear seat and gear sleeve's inner and outer meshing teeth are worn into a conical shape. 6. The gear shift mechanism in the operating lever is improperly adjusted, causing the gear to not engage fully, leaving the meshing teeth in a semi-engaged state.
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