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| Electric EZGO Electric EZ GO Marathon, Medalist, TXT and RXV. |
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06-03-2021, 09:56 PM
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#1 |
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Not Yet Wild
Join Date: Jun 2021
Location: San Tan Valley, AZ
Posts: 43
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Drivers brake grabbing
Picked up a 08’ EZGO TXT 36v cart a few months ago.
Noticed a pulsation when applying brakes. Most noticeable going down hill under heavy braking. Cart is not lifted and has stock tires. I have done the following in order. - Replaced both drums - Replaced both backing plates(loaded) - Checked U bolts - Disconnected drivers side brake cable to verify that drivers side was grabbing(could have done this sooner I guess) - Took drivers brake cable out of bracket and checked connection at cable connector - Checked bushings on drivers side(all looked intact) - Replaced drivers axle, bearing and seal I have run out of ideas 🙁 |
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06-03-2021, 11:22 PM
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#2 |
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Not Yet Wild
Join Date: Jun 2021
Location: San Tan Valley, AZ
Posts: 43
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Re: Drivers brake grabbing
I was bored tonight, I had leaf spring bushing laying around. So I decided to install them. No difference.
I forgot to mention that the drivers side brake grabs/pulsates in reverse as well. Could it possibly be something in the diff? |
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06-04-2021, 12:18 AM
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#3 |
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Gone Wild
 Join Date: Jul 2015
Location: Central South Carolina
Posts: 942
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Re: Drivers brake grabbing
Looks like you covered all bases. I'd be stumped too. I can't comprehend any way it could be the differential.
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06-04-2021, 06:08 AM
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#4 |
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Gone Wild
Join Date: Sep 2018
Location: Md.
Posts: 1,059
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Re: Drivers brake grabbing
Most likely cause is out of round drum. As former auto tech, even new drums should be trued up on a brake lathe as should new rotors.
If axle was bent you would feel rear of cart numb up and down when ridding on smooth road. Dragging brake shoes due to a sticking cable,bad adjuster or spring not allowing shoes to retract when brake pedal is released will cause shoes and drum to over heat causing drum to warp. Since you state yours are all new,I’m betting you just got slightly out of round new drum. |
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06-04-2021, 06:28 AM
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#5 |
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Gone Wild
Join Date: Sep 2010
Location: Florida
Posts: 1,895
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Re: Drivers brake grabbing
Cobra may be onto something...I get out of round hubs often...An easy way to verify would be to just switch the hubs from pax side to drivers and vice versa and see if the pax side pulses instead of drivers side...
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06-04-2021, 08:59 AM
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#6 |
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Not Yet Wild
Join Date: Jun 2021
Location: San Tan Valley, AZ
Posts: 43
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Re: Drivers brake grabbing
I still have the exact same problem? But at this point ill try anything. I will swap drums to rule this out. Thanks
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06-04-2021, 11:09 PM
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#7 |
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Not Yet Wild
Join Date: Jun 2021
Location: San Tan Valley, AZ
Posts: 43
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Re: Drivers brake grabbing
Well, you guys nailed it.
Swapped a known good drum and issue is gone. Can’t believe I wasted so much time and money on a simple problem like an out of round new drum. Thanks again |
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06-05-2021, 08:08 AM
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#8 |
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Gone Wild
Join Date: Sep 2018
Location: Md.
Posts: 1,059
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Re: Drivers brake grabbing
Glad you solved it.😊
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06-07-2021, 06:52 AM
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#9 |
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Gone Wild
Join Date: Sep 2010
Location: Florida
Posts: 1,895
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Re: Drivers brake grabbing
Good to hear you got it figured out
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