Clicking/grinding sounds from front hub motor ...
Mar 28, 2021· It is 48V 500W front wheel hub. Whenever engaged it produces a regular clicking or even grinding sound. The more load the lauder the sound. Here is what I was able to find so far: 1. It is not mechanical, not related to bearings, no parts rubbing against each other. The wheel is quiet if the motor is not engaged. 2.
