What might be indicated by a worn shift rail detent?

A worn shift rail detent can lead to selecting multiple gears at once during operation. The detent plays a crucial role in securing and aligning the shift rail in the proper position within the transmission. When it becomes worn, it may not hold the shift rail securely, allowing it to move into multiple gear positions simultaneously. This malfunction can result in unpredictable shifting behavior, which can compromise the functionality and safety of the vehicle.

In contrast, slipping during acceleration typically involves issues with the clutch or transmission engagement rather than the detent. Inability to engage gears can be tied to other mechanical failures within the transmission system, like a damaged linkage or synchronizers, rather than the detent itself. Fluid leakage usually points to issues with seals or gaskets, indicating a different kind of problem unrelated to the detent's function. Therefore, the correct indication of a worn shift rail detent is the potential for selecting multiple gears at once.