Will Too Much Transmission Fluid Cause It Not to Shift?

Are you having difficulty shifting? If you drive a manual transmission vehicle, you should have no problem determining this. Difficulty shifting could be a symptom of foamy transmission fluid, something caused when excessing fluid and air mix together.

What happens if you put too much transmission fluid in?

If you overfill it, the transmission will experience hard shifting and slippage. Another consequence of overfilling your transmission is that it will cause the fluid to lose its lubricating properties. It could also lead to the entire system blowing up and not functioning.

Will an overfilled transmission not shift?

Excessive Transmission Wear

By overfilling the transmission, the lubrication level isn't the same, leading to much faster wear. As the transmission continues being exposed to high pressure, you will start to notice issues with shifting and functionality. It could even lead to the next issue, complete failure.