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Electric Yamaha Electric Yamaha Golf Cars; G1 through "The Drive" and U-Max Utility Vehicles |
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06-01-2020, 04:49 PM | #1 |
Not Yet Wild
Join Date: Jun 2020
Location: Dardenne Prairie, MO
Posts: 22
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Yamaha drive axle nut
I have had a 2016 Yamaha drive for a couple months. A month in I heard the tinny noise coming from driver side rear wheel. Read the forums on it and looked at the axle nut. It was completely loose. I tightened it up, by hand and backed off a little to get the cotter pin through. It did ok for a while then started with the noise again. I checked it and it wasn’t loose so I read some forums on it and set the torque wrench to a little over 70. If I have it that tight I can roll it back a foot and it sounds like an old door creaking, or grinding. I loosened it up and put it on hand tight and I get zero noise. I’m guessing it was on hand tight when I bought it, not hearing anything, then it hit loose and started making the noise. From what I read hand tight isn’t right for it. Any thoughts on what I should try or check on if it gets worse when it’s tightened?
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06-02-2020, 01:58 AM | #2 |
Over This Interview Is...
Join Date: Jun 2012
Location: AZ
Posts: 17,449
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Re: Yamaha drive axle nut
Never, ever back a nut back off to fit a cotter pin. And if any "buddy" told you that, ignore the rest of whatever else they say. The instructions are "torque to spec" then tighten further if needed to allow a split pin to be placed. Let's just start there first.
Would you ever take the advice of tighten a wheel lug nut, then "back it off"? I sure hope for your family, probably not. Stuff like this is why the spec has a "range of acceptable values". |
06-02-2020, 08:42 AM | #3 |
Not Yet Wild
Join Date: Jun 2020
Location: Dardenne Prairie, MO
Posts: 22
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Re: Yamaha drive axle nut
Thanks, I understand that much now. Will take it off and check both sides. Front ones did not even have cotter pins in them.
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06-02-2020, 12:19 PM | #4 |
Not Yet Wild
Join Date: Jun 2020
Location: Dardenne Prairie, MO
Posts: 22
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Re: Yamaha drive axle nut
Could the hub be starting to strip. Not sure if the castle nut tightness could make a diff on the hub grinding. When it was tightened up and grinding really sounded like it came right from the wheel.
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06-02-2020, 02:16 PM | #5 |
Over This Interview Is...
Join Date: Jun 2012
Location: AZ
Posts: 17,449
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Re: Yamaha drive axle nut
Well, inspect the splines on the hub & axle shaft. If they're damaged, itll be evident.
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06-02-2020, 05:31 PM | #6 |
Not Yet Wild
Join Date: Jun 2020
Location: Dardenne Prairie, MO
Posts: 22
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Re: Yamaha drive axle nut
Took both sides off, the spline looks a little worn but both sides look about the same. Tightened everything up and still get occasional creaking noise now when I brake. Before it made the noise when I was coasting. Any way to check if brakes are going out?
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06-02-2020, 07:52 PM | #7 |
Not Yet Wild
Join Date: Jun 2020
Location: Dardenne Prairie, MO
Posts: 22
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Re: Yamaha drive axle nut
Read a little on transaxle oil. My cart is 2016 so I’m going to change it anyway. Any chance bad or low oil could cause the noise when braking?
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06-03-2020, 02:41 AM | #8 |
Over This Interview Is...
Join Date: Jun 2012
Location: AZ
Posts: 17,449
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Re: Yamaha drive axle nut
Check the "tube" between the hub & the bearing, if it can spin at all (even the slightest amount), there's still hub problems. After that, I might be thinking bearing. But, I hate to suggest that to anyone. Changing the bearing isnt "too hard", but disturbing the seal can make a new leak, and the seal is a "S*** ton" of a job for noobs. (A job that really sucks to "walk you through" via keyboard & typing). Not "super hard work & tools no one has", but a lot of labor & axle comes out to get split in half. (With one particular spot that can destroy a couple sockets getting it done)
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06-03-2020, 06:30 AM | #9 |
Not Yet Wild
Join Date: Jun 2020
Location: Dardenne Prairie, MO
Posts: 22
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Re: Yamaha drive axle nut
No, the tube would not move.
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06-03-2020, 08:09 AM | #10 |
Not Yet Wild
Join Date: Jun 2020
Location: Dardenne Prairie, MO
Posts: 22
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Re: Yamaha drive axle nut
05DB9763-DE7E-4EBA-B66A-1B24C1B6DC07.jpeg
C3AE1BB7-3B59-4447-9D40-B3630A553D79.jpeg Here are pics, I didn’t have any ref to go off of. |
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