Originally Posted by iraklas

I have a tlr 8ight-e 4.0 with a muchmore fleta m8-zx8 combo and a tlr eight t-e 3.0 with a hobbywing xr8 plus -G2 4274 combo. Both of my motors have developed the same problem. They are noisy when braking. They squeal and sound like a car with worn out brake pads. I searched the internet and i couldn't find any information on this. There are no signs of anything being wrong, just a high pitched whine when brake is applied. What could be the cause for this?