* Grinding noise when shifting gears. This is the most common symptom of a bad input shaft. The grinding noise is caused by the worn teeth on the input shaft meshing with the teeth on the gears.
* Difficulty shifting gears. If the input shaft is badly worn, it can make it difficult to shift gears. This is because the worn teeth on the input shaft are not able to properly engage with the teeth on the gears.
* Leaking transmission fluid. A bad input shaft can cause the transmission fluid to leak. This is because the worn teeth on the input shaft can damage the seals that keep the transmission fluid in.
* Loss of power. A bad input shaft can cause the transmission to lose power. This is because the worn teeth on the input shaft are not able to properly transfer power from the engine to the transmission.
If you experience any of these symptoms, it is important to have your transmission inspected by a qualified mechanic. A bad input shaft can cause serious damage to your transmission, so it is important to have it repaired as soon as possible.
