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Thread: My motor is making a high pitched noise, and it's not the normal noise from an esc

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Old 11-16-2019, 09:12 AM   #1
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Default My motor is making a high pitched noise, and it's not the normal noise from an esc

I just installed a new motor and ESC in mt scx10ii, I installed a 27t brushed axial motor and hobbywing brushed crawler ESC. I am hearing a noise that sounds like the gear mesh and i can't figure it out, I tried adjusting the mesh but it just keeps the same constant loud grinding/squeaking noise. And when I put the body on it amplifies it more, any idea what the problem might be, maybe a bent motor plate? not sure
Thanks for the help, I'll try to get a video up as soon as I can
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Old 11-16-2019, 05:33 PM   #2
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Default Re: My motor is making a high pitched noise, and it's not the normal noise from an es

Check for a dry motor bushing... dry driveshaft joints... bad bearings...ect...
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Old 11-16-2019, 06:55 PM   #3
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Default Re: My motor is making a high pitched noise, and it's not the normal noise from an es

I'll try that, maybe a new motor plate? get back to you soon thanks for the help
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Old 11-16-2019, 07:20 PM   #4
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Default Re: My motor is making a high pitched noise, and it's not the normal noise from an es

Is your mesh between the pinion and spur to tight? It needs to have a bit of play. Is your pinion/spur damaged or worn out. Did you check all the teeth of the pinion/spur for a grain of sand stuck in the teeth.

Why did you change the motor/esc? Did something burn up? Maybe there is an issue in the trans? Pull the motor and check for anything binding in the drivetrain

Just brainstorming here
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Old 11-16-2019, 07:33 PM   #5
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Default Re: My motor is making a high pitched noise, and it's not the normal noise from an es

I have checked the motor by itself, it's fine, I have checked the gears and they are fine too, and the mesh i keep adjusting it to get it perfect and just keeps doing it
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Old 11-19-2019, 06:35 PM   #6
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Default Re: My motor is making a high pitched noise, and it's not the normal noise from an es

Looks like you need to take a video so we can see and hear it
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