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Author Topic: LUBE YOUR DRIVE SPLINES! - How to.  (Read 4548 times)

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Offline Jughead

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LUBE YOUR DRIVE SPLINES! - How to.
« on: September 16, 2016, 11:05:23 am »
With the number of driveshafts giving in at the moment, maybe it's a good time to check yours!

Due to the design of the rear suspension of the shaft drive bikes, the rear of the driveshaft needs to be able to slide smoothly on the final drive splines as the FD flexes on the swingarm during the up/down travel of the rear wheel.  

The older R1100 and R1150 had fixed splines on the gearbox and Final Drive, but had a 2 part drive shaft with a spline joining the 2 halves.  The same applies to those shafts.  Regular lubrication is essential!

So, on the R1200 this is how: (and by the way, the older models had no drain plug on the FD, so you could also use this opportunity to drain and replace the FD oil.  For the purpose of this exercise though we will be assuming that this is just a spline lube.)

Remove the rear wheel.  Not going to explain how to do that, it's elementary.

Here is what you will be looking at with the wheel removed.



This is a typical example of what happens to exacerbate the problem.  The rubber boot between the FD and the swingarm is not seated correctly, allowing dirt and water to enter.  Check it regularly and make sure the clips are in place.  If it won't stay in place, replace it.



First remove the 2 bolts holding the caliper on.  Move the caliper to the right and place a rag between the FD and the caliper to prevent it scratching the paintwork.  There is no need to remove the brade pads, (these just come along with the caliper) but this is a good opportunity to check them properly.  Also a good opportunity to check that the caliper is floating as it should.  



Now move around to the LHS.  Remove these 2 small screws ...



And carefully remove the wheelspeed sensor, taking care not to lose the O-ring and any shims that may be present.



This is also your opportunity to check for metal bits on the end of the sensor which would indicate the imminent failure of a bearing internal to the FD.

Carefully release the cable from the retaining clip here, and add it to the caliper.



I have made this little plug to assist with this job.  Large side is for the FD with Gen2 ABS, small side for Gen1 ABS.  



Simply place the o-ring back in the hole if it came out with the sensor, and plug the hole with the appropriate side of the plug, like so.



If you do not do this, you are about to lose a large portion of the FD oil in a minute.

Now support the FD and remove this bolt on the torsion bar ...



and if all is well, your FD will swing into a vertical position smoothly.  (And if you didn't plug the sensor hole, you would now be losing the oil)



Check the UJ for any "notchyness".  If it doesn't swivel smoothly, replace it.  Lube the splines and reassemble.

Here the wear on the spline can be clearly seen.



Also use this oportunity to check for oil leaks, firstly here:



... which would be the pinion seal leaking.  These normally start leaking when the main pinion bearing has play in it, which is found in conjunction with the metal bits on the wheelspeed sensor mentioned earlier.

Another place to check is here:



and this is another classic example.  See the little puddle of oil in the swingarm?  That is from the gearbox output shaft.

So now the swingarm comes out and that gets replaced as well, before you lose the gearbox oil.

  

« Last Edit: September 16, 2016, 11:13:59 am by Jughead »
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Online Antonie

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Re: LUBE YOUR DRIVE SPLINES! - How to.
« Reply #1 on: September 16, 2016, 11:41:09 am »
Thanks for taking the time to explain this procedure and potentially save us a lot of money and headaches!!

You make it look so easy that I am even considering trying to do this :pot:
 

Offline Jughead

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Re: LUBE YOUR DRIVE SPLINES! - How to.
« Reply #2 on: September 16, 2016, 11:45:40 am »
Thanks for taking the time to explain this procedure and potentially save us a lot of money and headaches!!

You make it look so easy that I am even considering trying to do this :pot:

It takes literally 10 minutes once you know how.  And could possibly save you R10k in the long run.  That's a saving of R1k/minute of your time!
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Offline Snafu

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Re: LUBE YOUR DRIVE SPLINES! - How to.
« Reply #3 on: September 16, 2016, 01:28:23 pm »
Thanks Jughead!!
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Offline Karambisi

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Re: LUBE YOUR DRIVE SPLINES! - How to.
« Reply #4 on: September 16, 2016, 02:36:44 pm »
Thanks Jughead... was literally a day away from attempting this, I have no dealer within 600km so gotta learn how to do all this stuff!
 

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Re: LUBE YOUR DRIVE SPLINES! - How to.
« Reply #5 on: September 16, 2016, 03:13:10 pm »
Might be a silly question, but what grease do you use if the 'correct' grease is not available?

Thanks for taking the time to explain this procedure and potentially save us a lot of money and headaches!!

You make it look so easy that I am even considering trying to do this :pot:

It takes literally 10 minutes once you know how.  And could possibly save you R10k in the long run.  That's a saving of R1k/minute of your time!

I will probably take a while before I can do this in 10min, as I am nogal mechanically disabled... ;D
 

Offline Rafiki

Re: LUBE YOUR DRIVE SPLINES! - How to.
« Reply #6 on: September 16, 2016, 03:25:16 pm »
Thanks Jughead!

What is the best lube for this application?
 

Offline JackP

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Re: LUBE YOUR DRIVE SPLINES! - How to.
« Reply #7 on: September 16, 2016, 04:18:10 pm »
Thanks for sharing. We have some rain forecasted for the weekend so maybe good opportunity to get this done.
 

Offline katana

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Re: LUBE YOUR DRIVE SPLINES! - How to.
« Reply #8 on: September 16, 2016, 04:43:53 pm »
Thanks man!
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Offline ChrisL - DUSTRIDERS

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Re: LUBE YOUR DRIVE SPLINES! - How to.
« Reply #9 on: September 16, 2016, 04:52:04 pm »
Might be a silly question, but what grease do you use if the 'correct' grease is not available?

I do not have the fancy grease. Last time I had the whole shaft out I used normal grease on both ends. Had it open after 5 000 kms. Its still all there.
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Offline Jughead

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Re: LUBE YOUR DRIVE SPLINES! - How to.
« Reply #10 on: September 16, 2016, 05:15:28 pm »
Preferably use something that is high temp anti-seize.  There are a number of products out there.  I have been using a nickel paste from Rocol (can't remember the product number) for the past 2 years with very good results.

You need a minimal amount of it.  Any excess just gets flung off anyway.

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Offline RobC

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Re: LUBE YOUR DRIVE SPLINES! - How to.
« Reply #11 on: September 16, 2016, 09:42:54 pm »
That brake disk is pretty worn as well... :biggrin:
 

Offline Hamilton

Re: LUBE YOUR DRIVE SPLINES! - How to.
« Reply #12 on: September 23, 2016, 01:47:53 pm »
Great info here. Do the spline seize together? if not serviced.  I just had my bike serviced at BMW,  50 000 km service and I asked them if they do the job on the FD splines.  They said no,  but can be done if requested and this will be an over extra charge.
I have a tin of Castrol High Temperature wheel bearing grease ( BNS )  and a tin of Spanjaard High Temperature Copper Compound. What would you recommend I use? Thanks  :thumleft:
 

Offline LanceC

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Re: LUBE YOUR DRIVE SPLINES! - How to.
« Reply #13 on: October 08, 2016, 12:43:30 pm »
Thanks Jughead, very much appreciated.
 

Offline Copernicus

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Re: LUBE YOUR DRIVE SPLINES! - How to.
« Reply #14 on: October 20, 2016, 09:18:43 pm »
Thx for this.  Would the same apply for the new bikes (i.e. 2014+ LC with the swingarm on the other side)?  I read something somewhere about the splines 'lubricated for life' but I never trust statements like these.
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Offline KenDakar

Re: LUBE YOUR DRIVE SPLINES! - How to.
« Reply #15 on: October 20, 2016, 09:31:40 pm »
Thanks for the info.Much appreciated. You make it look so easy
 

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Re: LUBE YOUR DRIVE SPLINES! - How to.
« Reply #16 on: October 20, 2016, 09:59:54 pm »
Thanks for the info- lubed my splines!  :biggrin:
Easy peazy thanks to your instructions  :thumleft:
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Offline Jughead

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Re: LUBE YOUR DRIVE SPLINES! - How to.
« Reply #17 on: October 21, 2016, 06:36:19 am »
Thanks for the info- lubed my splines!  :biggrin:
Easy peazy thanks to your instructions  :thumleft:

 :thumleft:  For interests sake, what was the condition when you opened it up?
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Re:
« Reply #18 on: October 21, 2016, 07:10:30 am »
Pretty good actually! Perfect time to do it, really.

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Offline m0lt3n

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Re: LUBE YOUR DRIVE SPLINES! - How to.
« Reply #19 on: October 21, 2016, 07:18:49 am »
Great info. Now I also want to do it!
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