No clutch disengagement! - BMW Luxury Touring Community
 
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post #1 of 12 Old Apr 9th, 2007, 8:35 am Thread Starter
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No clutch disengagement!

Coming home Saturday evening after teaching a BRC class I started experiencing a very short throw on my clutch leaver while shifting. Then after attempting to stop of a traffic light I had no clutch at all. I ended up just letting the bike stall, sat there for a few seconds and actuated the clutch leaver a few times to build pressure (that worked) well it got me home at least.

Any body got an idea of what's going on and how to do the fix?
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post #2 of 12 Old Apr 9th, 2007, 9:11 am
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Sorry to say that is sound like a leaking slave cylinder to me. You should fix it as soon as possible so that you don't ruin your clutch....assuming that it isn't too late already.

Many people have replaced the slave cylinder themselves and also drilled a drain hole to prevent damaging the clutch in the future.

Do a search on "slave cylinder" and enjoy the reading.

Good Luck,
Kevin

1999 K1200LT, patiently waiting for a new model.
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post #3 of 12 Old Apr 9th, 2007, 9:58 am Thread Starter
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Quote:
Originally Posted by kevincook
Sorry to say that is sound like a leaking slave cylinder to me. You should fix it as soon as possible so that you don't ruin your clutch....assuming that it isn't too late already.

Many people have replaced the slave cylinder themselves and also drilled a drain hole to prevent damaging the clutch in the future.

Do a search on "slave cylinder" and enjoy the reading.

Good Luck,
Kevin
This wouldn't be so bad but I just had a complete clutch replacement including the slave and all relative seals about 10-15k ago. I'd give the shop that did the work a shot at the fix if they and or BMW would stand up and back their doing.

Anybody have close ties to a BMW service rep for this region?
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post #4 of 12 Old Apr 9th, 2007, 10:09 am
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Air in the clutch system?
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post #5 of 12 Old Apr 9th, 2007, 10:17 am
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Little doubt about it, failed slave cylinder. It could be a failed line, but that is very rare.

I don't want to achieve immortality through my work...I want to achieve it through not dying.

David Shealey
Dandridge, TN
EX: '01 Black LT, BAT BYKE (Totaled at 110,000 miles)
IBA SS, BB, BBG, 10/10ths.
No bike now, but maybe in the future.
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post #6 of 12 Old Apr 9th, 2007, 10:19 am
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Get it back to whomever repaired it asap. Hopefully it's got some kind of warranty. If you had it done by a BMW dealer then your repair has a two year warranty.. But don't ride the bike anymore cause you'll ruin the clutch if you haven't already..

John

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post #7 of 12 Old Apr 10th, 2007, 6:25 am
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How long ago was the repair? All the parts replaced under the last repair ARE covered for two years. I'd take it back yesterday. JM2CW

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post #8 of 12 Old Apr 10th, 2007, 7:05 am
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Banjo Fitting loose ?

Quote:
Originally Posted by rd_gonz
This wouldn't be so bad but I just had a complete clutch replacement including the slave and all relative seals about 10-15k ago. I'd give the shop that did the work a shot at the fix if they and or BMW would stand up and back their doing.

Anybody have close ties to a BMW service rep for this region?
Due to the recent repair and abrupt loss of hydraulics note.
If fluid levels dropped in the reservoir the problem is the slave ,line or loose banjo fittings. The low torque on the fittings allows a slight push on the lines to loosen the fitting.

Pete Murray
IBA # 359 and
2014 RT
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2002 LT 171 K Gone
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Stroudsburg, PA
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post #9 of 12 Old Apr 10th, 2007, 2:09 pm
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Maybe out of left field here ...

But if I saw this behavior on a cage and considered the recent repair, I'd be looking at the master, not the slave. Is the fluid level still good? Didn't mention any loss of fluid. Could mean the seals in the master are bad and not allowing pressure to be built up. I don't have much experience with bikes however. Grains os salt recommended with this line of thinking.

Dan
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post #10 of 12 Old Apr 10th, 2007, 3:39 pm
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Quote:
Originally Posted by dglenn1
But if I saw this behavior on a cage and considered the recent repair, I'd be looking at the master, not the slave. Is the fluid level still good? Didn't mention any loss of fluid. Could mean the seals in the master are bad and not allowing pressure to be built up. I don't have much experience with bikes however. Grains os salt recommended with this line of thinking.
It is possible, but highly unlikely. In over 6 years of monitoring the LT sites, I have never heard of a master cylinder failure. MANY slave failures though.

One good thing though, if a master ever does fail, BMW has repair parts for it. Good thing too, the master cylinder is WAY more expensive than the slave.

I don't want to achieve immortality through my work...I want to achieve it through not dying.

David Shealey
Dandridge, TN
EX: '01 Black LT, BAT BYKE (Totaled at 110,000 miles)
IBA SS, BB, BBG, 10/10ths.
No bike now, but maybe in the future.
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post #11 of 12 Old Apr 13th, 2007, 12:49 pm
 
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Red face Slipping Clutch

My 05 LT is in the shop getting a new slave and clutch now.I pumped mine up one day because It was cold and my clutch responded after that.It lunged forward and died thats why I did the lever pump then looked at my fluid level it seemed OK and I went my way no problem again for weeks.Then one night I was getting on the expressway nailed the throttle in fourth the clutch slipped,likewise in 5th also.The problem was the slave cylinder it ruined my clutch by failing.Fortunately I have a year of warranty left they said it was covered,thank goodness for that.Now on to my tire problem and I may get it back after 3 weeks of frustration.I hope yours is covered or proves to be a simple fix.
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post #12 of 12 Old Apr 17th, 2007, 4:31 pm Thread Starter
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Quote:
Originally Posted by dshealey
It is possible, but highly unlikely. In over 6 years of monitoring the LT sites, I have never heard of a master cylinder failure. MANY slave failures though.

One good thing though, if a master ever does fail, BMW has repair parts for it. Good thing too, the master cylinder is WAY more expensive than the slave.
Yea David I've never had one go out on me on any of my past rides, but thats about the only thing left in the clutch system that hasn't been replaced. And yep the parts for the master only came out to just over $100. Now if I can figure out how to get to the master cylender...

Thanks!
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