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Old 09-27-2013, 09:16 AM   #31
Shred Head Fred
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Quote:
Originally Posted by mwood7800 View Post
Fd oil does not contact the bearing if its going south why would it make any difference. Most fd failures are outer bearing so no mater how many times you change your oil it doesn't make any difference
I have to agree on this one, from what I've seen the bearing is isolated.
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Old 09-27-2013, 09:43 AM   #32
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rotor bolt heads

I know this may be a long shot but take a peek at your brake rotor bolt heads and see if one has/is developing a bright spot?

Then it's probably either a rotor bolt backing out ....... or FD bearing failing. Better hope for the bolt!

BTW, I ride a 07' GSA too that has over 100K on it ............... and I've never had ONE problem with it. Not one. I just service it and ride it. And a LOT of those miles are off-road. I thought I was having some FD problems at one point and it turned out to be a bad rear wheel. I just refuse to believe my FD or drive shaft are going to fail just because I've got "over 60K" on the bike.

Good Luck!

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ROAD DAMAGE screwed with this post 09-27-2013 at 09:53 AM
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Old 09-27-2013, 10:28 AM   #33
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Quote:
Originally Posted by mwood7800 View Post
Fd oil does not contact the bearing if its going south why would it make any difference. Most fd failures are outer bearing so no mater how many times you change your oil it doesn't make any difference
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Old 09-27-2013, 07:10 PM   #34
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Quote:
Originally Posted by ROAD DAMAGE View Post
I know this may be a long shot but take a peek at your brake rotor bolt heads and see if one has/is developing a bright spot?

Then it's probably either a rotor bolt backing out ....... or FD bearing failing. Better hope for the bolt!

Rob
No shiny parts... nothing touching.
It's such an odd sound, at this point I hope its a bearing. I don't want to be on the hook for something dumb that I overlooked so I keep poking at it and looking again and again.
Still sounds like creaking to me but gets louder with more weight on the rear wheel.
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Old 09-28-2013, 03:08 AM   #35
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Please make sure you get back to us on this one....I'm dying to see how this ends up!
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Old 09-28-2013, 05:02 PM   #36
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I'm fascinated as well.

Standing by:
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Old 09-28-2013, 08:24 PM   #37
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Appointment to drop off is Thursday morning at 9. I hope to know something before the day is out considering they said about 4 hours to do a complete rebuild if needed. Unfortunately, they need to diagnose, then reach out to the warranty company and wait for approval which can be 24-48 hours. Still, I should hear and hopefully can get pictures.
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Old 10-03-2013, 07:30 AM   #38
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Today's the day...
They think they can have it finished today providing the FD is actually in rebuildable.condition.
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Old 10-03-2013, 07:50 AM   #39
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Quote:
Originally Posted by trc.rhubarb View Post
Today's the day...
They think they can have it finished today providing the FD is actually in rebuildable.condition.
I would insist in seeing the replaced parts.

Take photos.

Jim
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Old 10-03-2013, 02:48 PM   #40
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So dropped it off this morning
They called in 2 hours and said the bearing is toast but hadn't broken the seal which is why I had no bits in my oil.

Called again in another hour and said FD is toast and not rebuildable. They will show me when I pick up the bike and said I can have all parts. Waiting on some pictures as well.

They have on in stock but need a seal for something or other so I'll get the bike Saturday morning as I'm working late tomorrow.

Pictures as soon as I have them.
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Old 10-03-2013, 03:34 PM   #41
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Picture:


Statement from dealer:
Requesting authorization for replacement of a complete final drive assy for a 2007 BMW R1200GS Adventure.
The bearing of the crown gear failed causing damage to the crown gear. A new bearing will not fit tight due to the damage. A pic is attached showing the damage to the crown gear. You can see where the splines of the hub were damaged from the bearing sliding bvack and forth.


62807Miles

Quote:
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Old 10-03-2013, 04:42 PM   #42
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Is that rust on there?

Jim
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Old 10-03-2013, 04:45 PM   #43
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Sure looks like it.
I haven't seen in person, this is from the dealer and what he sent to the warranty company.

I've never had the bike under water but I'm the 3rd owner. I've put almost 30k miles on it since buying it. Always used Mobile 1 GL5, changed every 6k and always came out clean.

Does it make sense it could be rust?
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Old 10-03-2013, 04:47 PM   #44
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Originally Posted by trc.rhubarb View Post
Sure looks like it.
I haven't seen in person, this is from the dealer and what he sent to the warranty company.

I've never had the bike under water but I'm the 3rd owner. I've put almost 30k miles on it since buying it. Always used Mobile 1 GL5, changed every 6k and always came out clean.

Does it make sense it could be rust?
Anything is possible. I have seen a rusty FD on an R1200ST, never off road.

Glad you have the warranty!

Jim
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Old 10-03-2013, 06:19 PM   #45
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With the limited information you have and the fact that I change the oil every 6k miles, could I have potentially done anything to prevent this? I've never seen water in the oil, so maybe it's just bearing crud/old grease mixed with the gear oil?
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