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Electric EZGO Electric EZ GO Marathon, Medalist, TXT and RXV. |
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04-12-2018, 12:21 PM | #1 |
Gone Wild
Join Date: Jun 2012
Location: East Tx
Posts: 323
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Marathon axel acting wierd
Well, I am back in the electric cart club again. Ironically, I bought back a cart that I sold several years ago, that changed hands several times. I posted on a regional hunting forum I am on that I was looking for a rebuildable cart. A guy contacted me and offered me the cart he had, which turned out to be my old cart. Small world I guess.
Well, the cart is in rough shape now. the batteries need replacing as usual, but after a short charge I took it for a short (very short as is was) turn around the yard. I noticed it was jerking a good bit, but after lifting it off the ground and checking it on a jack, I noticed that the jerk was in the rear axle, not just the large aggressive lugs of the tires. Im thinking that the gears may be gone. I am going to be replacing the fluid with some gear oil in case its just not full enough (and because I like the idea of thicker oil in there than just motor oil), but if that doesnt help, what all do I need to look at getting (aside from axle bearings) to rebuild the rear diff aside form the actual gears? Just looking to have an idea of what I need before I crack it open. IT is the axle with the two piece housing that bolts together with no diff cover underneath. |
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04-12-2018, 04:35 PM | #2 |
Gone Wild
Join Date: Jun 2012
Location: East Tx
Posts: 323
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Re: Marathon axel acting wierd
The more I think about it the more stumped I am. Can it be the hubs when it does it on or off the ground? Could it be a motor issue?
Its a kind if a chugging sound and feeling? There is no sound or resistance when pushing it or turning the tires by hand on the jack, only when the motor is driving it. I keep thinking gears but hoping it isn’t because those are expensive. |
04-13-2018, 01:46 AM | #3 |
Gone Wild
Join Date: Feb 2009
Location: Sanger, Ca.
Posts: 1,689
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Re: Marathon axel acting wierd
Stripped hub?
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04-13-2018, 04:47 AM | #4 |
Gone Wild
Join Date: May 2013
Location: Pendelton NY ( F cuomo)
Posts: 923
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Re: Marathon axel acting wierd
check the hub typical i have changed 2 on mine over the last 4 years usually when mine go the cart stops completely but i am ruff on the old girl
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04-13-2018, 03:18 PM | #5 |
Gone Wild
Join Date: Sep 2010
Location: Olive Branch, MS
Posts: 313
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Re: Marathon axel acting wierd
My guess would be a stripped hub as well. If there was an issue with the gears you almost certainly would have a whine or other noise while driving.
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04-13-2018, 06:42 PM | #6 | |
Gone Insane
Join Date: Oct 2015
Location: TN/NC/GA Tri-state area
Posts: 3,952
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Re: Marathon axel acting wierd
Quote:
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05-26-2018, 08:26 PM | #7 |
Gone Wild
Join Date: Jun 2012
Location: East Tx
Posts: 323
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Re: Marathon axel acting wierd
Got new batteries today. Took it for a quick spin around the yard and it seems tobe doing the same thing at the lowest speed (resistor cart). Gonna check the hubs as suggested. Still sounds like a Jetson’s vehicle though.
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05-27-2018, 02:19 AM | #8 |
Gone Insane
Join Date: Oct 2015
Location: TN/NC/GA Tri-state area
Posts: 3,952
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Re: Marathon axel acting wierd
That 1985 Marathon X-440 rear end is still available here if you find that you need one.
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05-27-2018, 05:35 PM | #9 |
Gone Wild
Join Date: Jun 2012
Location: East Tx
Posts: 323
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Re: Marathon axel acting wierd
Well, there’s a possibility that my motor is toast. Just took it for a spin and it didnt make it a quarter mile. Made it home and it acted like the batteries were dead. Pulled the seat and the motor was smoking. Can someone give me a diagram of how the motor is supposed to be wired just in case thats the problem?
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05-29-2018, 09:08 PM | #10 |
Gone Wild
Join Date: Jun 2012
Location: East Tx
Posts: 323
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Re: Marathon axel acting wierd
Took it all apart, cleaned as much as I could, fixed what problems I could see, and put it all back together. I did notice that one of the bolts holding the cover that holds the armature bearing in place had a bolt missing because it had been sheared off, causing the cover to sit crooked. Im thinking that it allowed the armature to work itself out of the retainer and contact the coils. Took the broken bolt out and replaced it, and tightened the retaining cover on evenly.
Took it for a spin and it did the same thing it did before, then it locked up completely. Pushed it around a bit to unlock the rear end, then it ran like before for a little while more. More pushing back to the garage, and right before I got there I hit the accelerator and it took off. Drove it in and parked it until this afternoon. Took it for another spin this afternoon with more of the same old results for about the first minute, then it took off like a scalded ape. Drove it around and put it through some paces and it seems to be back to normal (knock on wood). Well, not sure what I did, but it seems to be working fine now. Found a guy locally selling a motor for $150, guaranteed to work with a 60 day warranty. Figure if nothing else, thats cheap insurance for when this one goes totally kaput. and BTW, as evident by the cob webs surrounding the axel nut on the rear hubs still being intact, I am going to say that the hubs are not slipping. If they were, the spider webs would be disturbed, RIGHT? |
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