Rear Hub Motor Making Weird Noise

UniversalModder

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Dec 1, 2020
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Hi guys I have a problem that just began today my rear hub motor is making a weird noise whenever I try to give it some power not sure what's causing it, I tested all the cables from the controller and nothing seems to be wrong not sure if anyone could help thanks in advance. Here is a link to the video that shows the noise.
 
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Old & Slow

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Oct 19, 2020
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Most hub motors are geared. Meaning they have a planetary gearset to allow the motor to spin faster than the wheel. Chances are one of those planet gears is messed up or lacking grease. Time for disassembly, either by you or your LBS.

Cheers.
 

UniversalModder

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Hi i opened up my motor and I can't seem to find anything wrong with it i'm still not sure what's making the noise i took some photos if you would like to see anything i don't notice
 

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GreenGiant

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Apr 2, 2021
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I'm having the exact same issue, but only on extremely steep slopes. Do you get power spikes on your hud when it's making these noises?
 
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