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Electric EZGO Electric EZ GO Marathon, Medalist, TXT and RXV. |
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11-14-2012, 02:36 PM | #1 |
Gone Wild
Join Date: Feb 2010
Posts: 551
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EZGO Marathon Oil Change
How do you change ALL of the Oil in a 1991 EZGO Marathon electric? I know there is a differential cover underneath that you take off, clean out, and refill about half way up the small fill bolt with Oil but what kind of Oil? I live in an area where we have hot summers and cold winters so what oil should I fill the Differential cover with in bolt back on? Also is that the only place to put oil or are there any other places to put oil on the cart? Also, I have not checked the Oil in years on this thing because it has been sitting. if there still is oil in it. When I jack the Cart up and hit the gas pedal I hear a (Slight) kinda Grinding noise. I think what it is is when I press the gas only 1 wheel spins and the other one spins slightly I think I am hearing the other wheel slowly turning because there is no weight on it. When it is on the ground it runs fine and is quiet as a mouse. I doubt it is the motor bearings because the motor was not used too much. It probably is normal and it probably is not even a problem due to the fact that the carts rear end is really quiet and smooth on the ground. I will change the oil soon.
Thanks, Matt |
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11-14-2012, 02:37 PM | #2 |
Gone Wild
Join Date: Feb 2010
Posts: 551
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Re: EZGO Marathon Oil Change
The noise Might be because there is no load on the Cart.
Thanks, Matt |
11-14-2012, 03:12 PM | #3 |
Gone Wild
Join Date: Sep 2010
Location: Olive Branch, MS
Posts: 313
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Re: EZGO Marathon Oil Change
You have an open differential so only one wheel will spin with the cart jacked up....the wheel with the least resistance.
If the oil has never been changed you might just want to drop the whole pan. Drain what oil you can out the plug first then remove the cover. I would get some brake cleaner and spray up in the differential really good to get as much old oil out as possible. You will need to scrape the old gasket off the cover and the differential. You can buy a gasket but it is just easier to get some RTV and apply it to the cover to form a seal. Get some good gear oil. I use 75w-90 Royal Purple in mine. Also you will need to get a oil fill tube. Buy one at your local auto parts store they are cheap. Just fill with oil until it runs back out the drain hole. Reinstall the drain plug and you are done! |
11-14-2012, 04:04 PM | #4 |
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Join Date: Apr 2009
Location: FT Lauderdale FL.
Posts: 16,416
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Re: EZGO Marathon Oil Change
here's how you do it
the manual calls for straight 30 wt oil http://www.buggiesgonewild.com/elect...tml#post439247 |
11-15-2012, 05:46 AM | #5 | |
Astronautilator
Join Date: Sep 2011
Location: North Idaho
Posts: 1,494
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Re: EZGO Marathon Oil Change
Quote:
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11-15-2012, 05:48 AM | #6 | |
Astronautilator
Join Date: Sep 2011
Location: North Idaho
Posts: 1,494
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Re: EZGO Marathon Oil Change
Quote:
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11-15-2012, 06:38 AM | #7 |
Techno-Nerd
Join Date: Jun 2011
Location: West Virginia
Posts: 19,654
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Re: EZGO Marathon Oil Change
Just an opinion rather than fact, but I think gear oil viscosity is a compromise like most everything else in carts.
If you want to maximize speed and/or run-time, and can tolerate more whine, use the thinner stuff. If you want to minimize the noise and the drive system can tolerate more drag, use the thicker stuff. To each their own, but I'll probably use Lucas 85W-140 when I change oil in my differential this winter. |
11-15-2012, 06:43 AM | #8 |
Astronautilator
Join Date: Sep 2011
Location: North Idaho
Posts: 1,494
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Re: EZGO Marathon Oil Change
Thanks for adding that JohnnieB.
Even though my manual says I need 90wt. Heck man, It's 33 degrees outside and that 90wt is like glue. If I were in texas? I'ld prolly be running a synthetic 30wt. |
11-15-2012, 11:44 AM | #9 |
Gone Wild
Join Date: Sep 2010
Location: Olive Branch, MS
Posts: 313
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Re: EZGO Marathon Oil Change
I just stated what I use. I know the manuals say different depending on the year. Everyone is right in what they are saying though....it really is just a matter of opinion/preference. I like the royal purple because it has friction modifier in it. But honestly any good oil will probably work just fine.
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11-15-2012, 01:23 PM | #10 |
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Join Date: Apr 2009
Location: FT Lauderdale FL.
Posts: 16,416
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Re: EZGO Marathon Oil Change
right here in the ezgo manual
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Tags |
1991 differential gear, change, ezgo, marathon, oil |
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