Bleeding Clutch - BMW Luxury Touring Community
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post #1 of 15 Old Jul 4th, 2015, 8:26 am Thread Starter
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Bleeding Clutch

How hard is it to bleed the clutch lines? I think I have air in my clutch system as the lever has a lot of play to dis-engage. I didn't know it go low until when I went to apply the clutch, it traveled most of the way. Then I knew I had a problem. I filled up the reservoir. I know I don't have a leak as there are no spots on the garage floor.


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post #2 of 15 Old Jul 4th, 2015, 9:01 am
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Re: Bleeding Clutch

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Originally Posted by GDRDoc View Post
How hard is it to bleed the clutch lines? I think I have air in my clutch system as the lever has a lot of play to dis-engage. I didn't know it go low until when I went to apply the clutch, it traveled most of the way. Then I knew I had a problem. I filled up the reservoir. I know I don't have a leak as there are no spots on the garage floor.
It is a nuisance the first time as you have to remove the grub screw and replace with a bleed screw. After that it is pretty easy, just like bleeding brakes. I use a bleeder bag and that really lessens the chance of pulling air back into the system.

Was the bike tipped over recently or anything else unusual?
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post #3 of 15 Old Jul 4th, 2015, 12:19 pm
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Re: Bleeding Clutch

Gary go over to the BMW motorrad club web page: First Family Member and click on "service" then (Maint/Videos) and you'll find a step by step video on how to bleed your clutch.
Have fun.
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post #4 of 15 Old Jul 4th, 2015, 2:39 pm
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Re: Bleeding Clutch

If the reservoir level is dropping you have a leak. During the normal course of wear on the clutch disk the fluid level will rise. The leak could be at the slave cylinder and right into the clutch with no drips on the floor. That is where the weep hole comes in handy.
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post #5 of 15 Old Jul 4th, 2015, 5:13 pm
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Re: Bleeding Clutch

Once you get to the point of needing to bleed the clutch, I found that using a Speedbleeder in place of the grub screw makes life much easier.

Dave Beck
'16 K1600GTLE
'07 K1200LT (sold 9/24/16)
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post #6 of 15 Old Jul 4th, 2015, 10:48 pm Thread Starter
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Re: Bleeding Clutch

Thank you all for the replies. I did find a link on the BMW of Illinois club website on how to bleed the clutch. I removed the grub screw fitting and just let the hose drain into a bucket and refilled the reservoir while pumping the clutch handle. I did this about 5 times (refilled the reservoir) and did notice some air coming out of the reservoir. Now the clutch will disengage the rear wheel about halfway. How far should the travel be as optimum? I already have an apt to have the dealer check the slave unit as this problem just occurred recently. And no, the bike didn't tilt or fall over.


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post #7 of 15 Old Jul 5th, 2015, 2:57 pm
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Re: Bleeding Clutch

Half way sounds about right and I just went for a ride today but wasn't paying that close attention to it.

John
2009 K1300GT Red Rocket
2009 R1200GS (Gone)
2005 K1200LT Ocean Blue Blue Wizard 110 K and counting...
2006 Bushtec Turbo+2 Spell
2004 330 Ci Convertable
K4AN

Have ridden a Motorcycle in all 48
But lack DE, MA, RI and CT with the 2005 LT

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post #8 of 15 Old Jul 6th, 2015, 11:36 am
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Re: Bleeding Clutch

Quote:
Originally Posted by GDRDoc View Post
Thank you all for the replies. I did find a link on the BMW of Illinois club website on how to bleed the clutch. I removed the grub screw fitting and just let the hose drain into a bucket and refilled the reservoir while pumping the clutch handle. I did this about 5 times (refilled the reservoir) and did notice some air coming out of the reservoir. Now the clutch will disengage the rear wheel about halfway. How far should the travel be as optimum? I already have an apt to have the dealer check the slave unit as this problem just occurred recently. And no, the bike didn't tilt or fall over.
Now that you have it bled, keep a very close eye on it for any changes in the reservoir level. The slave cylinder has a gasket between it and the engine/tranny so leaking will not be seen if the weep hole mentioned by jzeiler has not been drilled and you will only know of a problem after your clutch has been coated with oil as that is the only place the leaking oil has to go without the weep hole to indicate a slave leak issue.

Gordon
Sugar Hill, GA
2001 K1200LTI Champagne (current ride) Lazy Susan
1998 R1100RT Never should have sold it
1974 Yamaha TX 750 Twin. Omni Phase Balanced


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post #9 of 15 Old Jul 12th, 2015, 6:52 am Thread Starter
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Re: Bleeding Clutch

jzeiler
OK.. Thank you.. I was wondering what the weep hole was for and now I know if I did have spots on the floor, it'll tell me the slave unit is leaking. I just hope now when I take the bike in, that I didn't burn up the clutch with the fluid on it.


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post #10 of 15 Old Jul 12th, 2015, 6:53 am Thread Starter
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Re: Bleeding Clutch

bmwcoolk1200
OK.. Thank you... I think I'm going to have the dealer drill the hole


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post #11 of 15 Old Jul 12th, 2015, 7:11 am
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Re: Bleeding Clutch

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bmwcoolk1200
OK.. Thank you... I think I'm going to have the dealer drill the hole
Good luck with that! My dealer refused to drill the hole when they replaced my rear main seal, along with the clutch and the slave cylinder.

Mike Trevelino
Williamsburg, VA
2008 RT
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post #12 of 15 Old Jul 13th, 2015, 4:18 pm
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Re: Bleeding Clutch

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Good luck with that! My dealer refused to drill the hole when they replaced my rear main seal, along with the clutch and the slave cylinder.
Yep, I think that is going to be the standard dealer response. If you want it, you are going to either do it yourself or find someone who can do it for you.

Gordon
Sugar Hill, GA
2001 K1200LTI Champagne (current ride) Lazy Susan
1998 R1100RT Never should have sold it
1974 Yamaha TX 750 Twin. Omni Phase Balanced


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post #13 of 15 Old Jul 13th, 2015, 5:00 pm Thread Starter
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Re: Bleeding Clutch

I can only ask.. if not, I'll just keep an eye on it..


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post #14 of 15 Old Jul 13th, 2015, 5:15 pm
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Re: Bleeding Clutch

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I can only ask.. if not, I'll just keep an eye on it..
That is exactly the issue the weep hole corrects. You don't get to see the oil leaking from the slave till after it makes its way to your clutch so there is no way to keep an eye on it.

It never hurts to ask but that them drilling the hole would be equivalent to them admitting there was an issue that the weep hole could provide an early indication of. I don't recall reading of someone actually having a dealer perform the weep hole drilling but I won't say never.

Gordon
Sugar Hill, GA
2001 K1200LTI Champagne (current ride) Lazy Susan
1998 R1100RT Never should have sold it
1974 Yamaha TX 750 Twin. Omni Phase Balanced


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post #15 of 15 Old Jul 13th, 2015, 6:40 pm
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Re: Bleeding Clutch

Plus they get to sell additional parts and labor to replace clutches....
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