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Electric Club Car Electric DS, and Precedent golf cars |
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12-10-2019, 07:02 AM | #1 |
Not Yet Wild
Join Date: Dec 2018
Posts: 55
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Precedent gear oil change
So I want to change my gear oil in the rear and want to know what everyone uses, the manual just states 30W SE,F, or G type oil. Preferred Oils please
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12-10-2019, 07:37 AM | #2 |
Gone Wild
Join Date: Dec 2016
Location: Melbourne, FL
Posts: 180
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Re: Precedent gear oil change
I used Royal Purple, would have to check when I get home on the weight. But I did a search on here for the consensus, and ordered that one. Easy 30 min job.
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12-10-2019, 07:45 AM | #3 |
Gone Wild
Join Date: Sep 2012
Location: Charlotte, NC
Posts: 9,329
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Re: Precedent gear oil change
I used the same oil on mine, that is what the engineers that designed the cart specified since the gears are not hypoid and they are low speed.
Other folks like to use automotive gear oil, that would work as well. https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1 |
12-10-2019, 12:30 PM | #4 |
Not Yet Wild
Join Date: Dec 2018
Posts: 55
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Re: Precedent gear oil change
Will run with that! Thxs
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12-10-2019, 12:46 PM | #5 |
Bonafide Nincompoop
Join Date: Dec 2015
Location: Charlottesburg Va
Posts: 8,987
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Re: Precedent gear oil change
If you operate the cart in a hot climate regular automotive gear oil is fine.
If you live where it's cold gear oil will be too thick. Use a 30W synthetic motor oil or 30w synthetic anti-wear type transmission oil. |
12-10-2019, 03:56 PM | #6 |
Getting Wild
Join Date: Dec 2015
Posts: 100
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Re: Precedent gear oil change
Is 1 quart enough ?
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12-10-2019, 04:07 PM | #7 |
Gone Wild
Join Date: Sep 2012
Location: Charlotte, NC
Posts: 9,329
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Re: Precedent gear oil change
Yes, it only takes 22oz to fill up the Precedent or DS differential.
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12-11-2019, 12:37 AM | #8 |
MOD of all BS!
Join Date: Sep 2011
Location: Florida
Posts: 17,477
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Re: Precedent gear oil change
I am one of those that do it differently. If your cart has bigger tires, or more weight, or speed or torque, etc. you need to adjust for those changes. Most of mine are much faster, carry more weight (lift kits, back seats, etc.) and/or have been modified as has many carts on this site. Take a look here http://www.buggiesgonewild.com/elect...ml#post1560285 and read up a little and then use what is best for your usage.
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12-11-2019, 08:22 AM | #9 |
Gone Wild
Join Date: Sep 2012
Location: Charlotte, NC
Posts: 9,329
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Re: Precedent gear oil change
That is one of those points we disagree
The club car is designed to go approximately 20mph from factory, they also have 4 & 6 passenger models, utility vehicles and bigger tire models with factory warranty using the same spec oils. Most golf cart upgrades add less that 50% increase in speed to the differential (from 20mph to 30mph), less if some of the speed is the result of bigger tires. There is no comparison to the load/heat in these differentials versus the lubrication demands of a running automobile engine and You don't add gear oil to the gears inside the engine. Automobile differentials use Hypoid cut gears and those have a unique lubrication requirement and require a specific oil due to their design. Club Car does not use Hypoid gears so the lubrication does not have that unique requirement. In the end is about preference, but the specified oil is optimum no matter how much performance enhancement or weight has been added to the cart. |
12-11-2019, 05:02 PM | #10 |
MOD of all BS!
Join Date: Sep 2011
Location: Florida
Posts: 17,477
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Re: Precedent gear oil change
Nothing wrong with disagreeing as long as it is tactful and appropriate, which ours always is.
Engineers in this realm of industry will often use the bare minimum for costs and expedience (Unlike Civil Engineering where they go beyond). Why do we use synthetics over conventional products (superior in all aspects for fuel efficiency, wear, thermal breakdown, longevity, etc.) but the manufacturers (Engineers) still recommend conventional oils and greases (and some blends) in over 90% of the daily production vehicles in the US today. Motor oil is a lubricant and does work in these CC differentials, but as I have stated, Wesson Oil will too with most factory set-ups. Motor oil is primarily used in internal combustion engines where it is some times designed with detergents, moly's and other various products for their additive packages. If you have built or worked on these engines they are primarily smooth surfaces where a film of oil exists between two areas (ie: rod and main bearings) and then on contact surfaces such as cams, lifters, cylinder walls, etc. Both the Kawasaki and Graziano differentials, although different in design, are still geared differentials and very much different from the design of a motor or internal combustion engine. We have had several various gear reducers and small boxes in our plants that came wth SAE 30wt and most had very small amounts of pre-load but still had issues over the life spans for wear or bearings compared to the exact same types that came with gear oils and/or lubricants. When we started our PDM (Predictive Maintenance Department), we utilized 3rd party AGMA (American Gear Manufacturers Association) consultants, along with both Mobil and Chevron, and they all utilized their engineering groups to tell us we were making a mistake with the motor style oils in gear type applications. They all concluded it would work, but not as well as true gear oil/lubes. After we changed over the remaining units, all wear patterns and lifespans were better/longer and we were getting the best ROI (Return On Investment). Now it is up to each individual on what they want to utilize in their own applications, but again, I will say that 30wt motor oil will work, but when asked what is "Best", I will always say use synthetic 85w/90 or next 80w/90 gear oil and although this is my honest opinion, it comes from over 400 hours of AGMA training and being an IBEW Master Mechanic and a Certified AGMA Gear Specialist with over 32 years experience in the industry.... Respects to all reading this. |
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