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Silly rear wheel spline grease question

David Griffiths

Tuned and Synch'ed
Joined
Oct 26, 2019
Messages
59
Location
Australia
I have been able to remove my back wheel thanks to the previous instructional posts. Of course the spline needs re-greasing, my question is what is the right grease to use considering the 2 rubber o rings.

Thanks Dave

20200627 160005 20200627 155842
 
I use boat trailer bearing grease, it doesn't wash off. Won't bother orings.

I'd think carefully. Nothing comes for nothing. Boat (trailer) grease works better inundated with water but it lubricates less well. It's a trade-off thing. Consider which offers more value - riding with the axle under water, or riding over 60mph. You'll likely "get away" with using underwater grease but do you need to take a risk?

Tony
 
I'd think carefully. Nothing comes for nothing. Boat (trailer) grease works better inundated with water but it lubricates less well. It's a trade-off thing. Consider which offers more value - riding with the axle under water, or riding over 60mph. You'll likely "get away" with using underwater grease but do you need to take a risk?

Tony
Have to ask, but what evidence is there that Marine grease lubes less well when dry?. It's used extensively on trailers for boats that get towed on roads between lakes etc with no adverse effects and a big Dodge Ram towing a huge speed boat powered past me at 80+ mph on the highway last year and it didn't seem to be slowing him down (or lead to his bearings exploding) - just interested if you have a source for that comment
 
Would the grease made knowing it will be submerged have some water dispersant added to it ?
Does “regular” grease dissolve in water ( I know it won’t Disolve but might water mix with it .) or have some reactions to Salt where marine grease might be formulated to deal with conditions where it comes in contact with water ?

Your not looking for Roller/ball bearing protection ?
Might there be some silicone *stuff* that might be better for use with rubber vs. bearings ?
 
The spline doesn't slide under load, it just transmits the drive. A thin coat of any grease to prevent rust will be fine.
Stephen
 
After doing some searching some recommendations were to use an assembly great/paste , but if you continue searching it comes full circle, moly 60( whatever that is) and lithium grease come up ...
 
Have to ask, but what evidence is there that Marine grease lubes less well when dry?

Paul, my apologies for slow reply, I was fitting new curtain rods all yesterday!

I don't have the primary source any more, I looked into this for suspension linkages Spring 19 and cannot recall the details which is why you should be cautious and check. I concluded the most wet environment was the inside of a car or truck wheelarch so we might ask what axle grease is the passing F150 using?

Whatever you choose, this website makes an interesting point that the worst you can do is mix the grease chemistries so remove all traces of lithium grease before applying
underwater trailer grease:.
popularmechanics.com/cars/how-to/a2948/choosing-the-correct-grease/

Tony
 
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