05 K1200LT Brake and clutch flush - BMW Luxury Touring Community
 
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post #1 of 14 Old Nov 4th, 2008, 5:58 pm Thread Starter
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05 K1200LT Brake and clutch flush

OK I am going to try this. I have alot of tupperware off already from a valve adjust. Thanks to everyone for your help! But as always I need help again. it looks like the ABS "system" I have to bleed is under the seat and to the left of the battery. It looks difficult to get to. I don't think I can remove battery because I am going to need to activate the abs to bleed. There are a lot of wires above what I believe to be the ABS unit. I hope I am in the right place. I bought a DVD on flushing the brake system on the R1200GS with integral servo brake system which I believe is the same as the LT. Does anyone know if that is correct? Couldn't find one for K1200LT with servo. Would the order of the procedures be the same? I have searched and can't find a document with pics on how to do this. Anyone know where one is?
Also I need to flush clutch fluid. Where is the clutch bleed valve located on an 05 LT?
Thanks all

Marc Pillis- MSF Rider Coach
Union, Kentucky
2005 LT
2004 R1150GS Adventure
2013 DR650

Last edited by mpillis; Nov 4th, 2008 at 6:00 pm. Reason: addition
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post #2 of 14 Old Nov 4th, 2008, 9:51 pm
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Re: 05 K1200LT Brake and clutch flush

Marc,

The procedures are basically the same, as the unit is used on several bikes. The control circuits (the ports you flush ON the ABS unit) are not a critical as the wheel circuits. The manual states to flush 1 then 2 then 3 then 1 again. But I have found very little contaminated fluid from the repeated flushes. Pick the one easy to get to bleed nipple and flush that one. Remember for this flush you don't need the key on. In fact two of the nipples are easier to get to if you remove the connector from the ABS unit.

The wheel circuit do require the key on and some way to ensure you don't empty the black opaque reservoirs that are on the ABS unit.

The one on the left is front the other one is of course the rear sequence.

Almost forgot - bleed port for the clutch is on the right side just about where your shin hits. Remove the chrome trim on the tip over bar and you will find it cable tied to the sub frame with a foam tube covering the bleed port. You just remove the grub screw and push back the check ball and the fluid will just run out. You can do a gravity flush if you have the time.
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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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Last edited by jzeiler; Nov 4th, 2008 at 9:57 pm.
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post #3 of 14 Old Nov 4th, 2008, 10:32 pm
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Re: 05 K1200LT Brake and clutch flush

what is the correct interval to use between maintenance intervals? I have been hesitant to make this a DIY but seems that it is possible given correct instructions and special funnel tool. Some intructions are for non servo units which do not have same procedures as our 06 models. More detail would be very appreciated.

Thank you,

Mugz

"If at first you don't succeed... well, so much for skydiving."

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2006 K1200LT - Blue Baby
2003 R1150GS - Yellowbird
1981 R100CS - Sadly gone
1991 K1100RS - Sold and burned
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post #4 of 14 Old Nov 4th, 2008, 11:17 pm
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Re: 05 K1200LT Brake and clutch flush

Mugz...
Flush yearly.

...............
J.M.J...
Dcn Channing

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post #5 of 14 Old Nov 5th, 2008, 4:59 am Thread Starter
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Re: 05 K1200LT Brake and clutch flush

Thanks for the attached pics but I am kinda slow, so in one pic, number 1 bleed valve is different than on pic 2. Why is that shown that way?

Marc Pillis- MSF Rider Coach
Union, Kentucky
2005 LT
2004 R1150GS Adventure
2013 DR650
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post #6 of 14 Old Nov 5th, 2008, 7:22 am
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Re: 05 K1200LT Brake and clutch flush

Step number sequence for the front and the rear.

Bill McAllister
St. Louis, MO.
2003 K1200LTE
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post #7 of 14 Old Nov 5th, 2008, 10:40 am
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Re: 05 K1200LT Brake and clutch flush

Quote:
Originally Posted by mpillis
Thanks for the attached pics but I am kinda slow, so in one pic, number 1 bleed valve is different than on pic 2. Why is that shown that way?
If you look you will see two of them are "near" the front reservoir and one is "near" the rear reservoir. The odd one is the integral circuit (front to rear). Just vice a versa on the rear. They are labled 1) front metering port , 2)front integral circuit and 3) front control circuit.

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 14 Old Nov 5th, 2008, 2:07 pm
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Re: 05 K1200LT Brake and clutch flush

I did this flush thing last winter on my 2005LT. To flush the wheel circuits, I jury rigged a standpipe for each of the wheel cylinder "reservoirs" (you can hardly call them reservoirs) on the control unit. The standpipes replaced the two black plastic cap/reservoirs having a coupling hose & vent etc that are not shown in the above two pictures. The pictures show what the brake control unit looks like before the two standpipes were temporarily installed.

I made the standpipes from drilling a hole in two rubber stoppers (actually the only ones I could find at a neighborhood junk store were cork which could contaminate things but I got by with it though rubber would be far better) The brake fluid columns were kept at least few inches above the control unit. It is surprising how quickly they will drain when the servo motor is engaged. Next time I'm going to make some metal standpipe adapters that will seal better (using o-rings) on the control unit ports.

Obviously you don't want any air to be ingested. I screwed up & didn't keep the standpipes full enough at first, (they really can empty fast!) but was I was able to ultimately vent the air out at the caliper & ended up with a firm brake.

I used wood blocks and wedges to compress the caliper pistons into the caliper assemblies as far as possible to get better flushing.
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post #9 of 14 Old Nov 5th, 2008, 3:06 pm
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Re: 05 K1200LT Brake and clutch flush

If you are careful to not "over pump", you can flush / add / repeat until you have clean fluid at the bleeders.

If you have a second set of hands you can have them maintain a level as you work the individual circuits.

...............
J.M.J...
Dcn Channing

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post #10 of 14 Old Nov 5th, 2008, 4:48 pm
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Re: 05 K1200LT Brake and clutch flush

Quote:
Originally Posted by cfell
Mugz...
Flush yearly.
Yearly? Now that is yet another maintenance interval. Have not heard of that. I thought BMW was advising to stretch it out to every 4 years.

Mugz

"If at first you don't succeed... well, so much for skydiving."

BMWMOA - #45711

2006 K1200LT - Blue Baby
2003 R1150GS - Yellowbird
1981 R100CS - Sadly gone
1991 K1100RS - Sold and burned
1986 K100RS - In the past
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post #11 of 14 Old Nov 5th, 2008, 7:25 pm
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Re: 05 K1200LT Brake and clutch flush

Quote:
Originally Posted by Mugszy
Yearly? Now that is yet another maintenance interval. Have not heard of that. I thought BMW was advising to stretch it out to every 4 years.

Mugz
I believe the CONTROL circuits went to four years but the Wheel circuit stayed at annual. I can support that with what I have gotten out of my control circuits on the last two flushes (at 2 year intervals). I would stick with annual on the wheel as it is always dark fluid coming out of those.

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 #12 of 14 Old Nov 6th, 2008, 8:50 am
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Re: 05 K1200LT Brake and clutch flush

As a newbie with the LT, I can say that I am thoroughly confused.

I haven't turned a wrench in years, however having a mechanical background (US Army - 63W - Wheel Vehicle Repair), I thought that I'd be able to something like this.

Does anybody have any procedural instructions, or should I just get a Clymer Manual?

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post #13 of 14 Old Nov 6th, 2008, 12:40 pm
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Re: 05 K1200LT Brake and clutch flush

Ray,



I don't think the Clymer covers it ( I don't have the book), but it is covered well in the BMW CD. Mark Neblett wrote up some good procedures and they can be found by searching the "BMWLT.net Archive Forums" . Use the username of "mneblett" and the words "brake flush" and it should point you to the article.

I would pull it up but my work computer won't allow me access to these archives (blog filter I think).

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 #14 of 14 Old Nov 6th, 2008, 8:09 pm
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Re: 05 K1200LT Brake and clutch flush

Quote:
Originally Posted by jzeiler
I believe the CONTROL circuits went to four years but the Wheel circuit stayed at annual. I can support that with what I have gotten out of my control circuits on the last two flushes (at 2 year intervals). I would stick with annual on the wheel as it is always dark fluid coming out of those.
John is correct - I personally saw the BMW bulletin that states 4 years for control and annual for wheels (annual for wheel circuits even if the brake lines are metal/teflon)

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