Main Seal leak - BMW Luxury Touring Community
 
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post #1 of 10 Old Jan 27th, 2009, 10:20 pm Thread Starter
 
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Unhappy Main Seal leak

Confirmed, it's my main oil seal leaking....

Can this be fixed , as a pretty good back yard mech. what really does it take to replace...

1.) For me ia a CD Manual

Anybody do this ? Pics , how to and tools needed would really help
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post #2 of 10 Old Jan 27th, 2009, 10:36 pm
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Re: Main Seal leak

Yup.. you can do it.. if you are creative with "shadetree" work.. You can use an engine lift to pick the bike up off the ground... you can chock and block to support it properly, etc..

Only a few "special" tools needed..
1- bandages
etc..

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

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post #3 of 10 Old Jan 27th, 2009, 10:39 pm
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Re: Main Seal leak

Sorry to hear that the main seal failed. If I were you I would certainly get a copy of Clymer Manual before performing this repair. I have the BMW manual and it is NOT clear on replacing the Main Seal (at least not the one I have). The Clymer is much clearer and gives instructions on making the tool to seat the Main Seal.

Just wondering, did it ruin your clutch too?
How many miles on the bike...cause you might wanna replace the clutch, etc if it has a lot of mileage.
I think if you do a search for "Clutch Pictures" you will find a thread by myself and others with pics on how to replace the clutch. From there, it is VERY easy to replace the main seal.

Jack Homesley
Cornelius, NC USA
'06 Goldwing - "The Black Pearl"
Too many others to list...


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post #4 of 10 Old Jan 27th, 2009, 10:41 pm
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Re: Main Seal leak

Here's the link to the clutch teardown with PICS! Be sure to look throughout the entire thread to see lots of pics. Again...the CLYMER manual really helped.

http://www.bmwlt.com/forums/showthread.php?t=19720

Jack Homesley
Cornelius, NC USA
'06 Goldwing - "The Black Pearl"
Too many others to list...


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post #5 of 10 Old Jan 27th, 2009, 11:44 pm
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Re: Main Seal leak

Rumor is to change the slave cylinder and drill a weep hole for the slave.
Bob

"He was a foul caricature of himself, a man with no soul, no inner convictions, with the integrity of a hyena, and the style of a poison toad." H. S. Thompson
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post #6 of 10 Old Jan 28th, 2009, 6:02 pm
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Re: Main Seal leak

Quote:
Originally Posted by TrackAdaptor
Confirmed, it's my main oil seal leaking....

Can this be fixed , as a pretty good back yard mech. what really does it take to replace...

1.) For me ia a CD Manual

Anybody do this ? Pics , how to and tools needed would really help
How bad is it leaking? Mine has a small drip, maybe 1/4qt a month (3000miles). It has been leaking for about 50k. I believe there are a few of us with the same issue. We just let it go, and will take care of it when the clutch is done.


Zeke

45 years riding and still more places to see.
2002 K1200LT
2016 R1200RT
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post #7 of 10 Old Jan 29th, 2009, 3:55 am
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Cool Re: Main Seal leak

Quote:
Originally Posted by Zeke
How bad is it leaking? Mine has a small drip, maybe 1/4qt a month (3000miles). It has been leaking for about 50k. I believe there are a few of us with the same issue. We just let it go, and will take care of it when the clutch is done.


Zeke
G'day Zeke, from a very hot downunder land.....(Melbourne in grip of 4 x 44 deg C days hottest for over 100 years....Sydney, where I am much better mid 30's although last Saturday was 44 deg C)

Yep...add me to your list of a drip main seal scenario on Beryl Beemer.

Beryl's been like this for now say 4 years???? at least. Just a couple of drips when parked, which necessitates probably two top ups of oil in between 10,000kms oil changes. Beryl has 175,800kms on the clock, and still on original clutch, radio etc (just been reading the Jensen MSR2007 conversion...looks very nice). What radio freq range does it use (says US and Euro) probably not usable here in Oz, but the ipod and satrad would be good.

I'll keep topping up the oil a couple times as the cost is prohibitive to just get the seal done, and will wait until clutch goes (maybe another 10 years???).

cheers

Phill
19XX BSA 125cc "racing" Bantam
1950 Sunbeam 500cc S7 Combo
19XX Royal Enfield 500 J2 combo
19XX BSA 500cc single B33
1960 Triumph 650cc Tiger 110
1970 Honda 750cc four K1
1975 Triumph Trident 750 triple
1978 XS1100E 1100cc "The Tardis" (ret)
1999 K1200LT "Beryl Beemer"

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post #8 of 10 Old Jan 29th, 2009, 5:57 pm
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Re: Main Seal leak

Quote:
Originally Posted by PhillWard
G'day Zeke, from a very hot downunder land.....(Melbourne in grip of 4 x 44 deg C days hottest for over 100 years....Sydney, where I am much better mid 30's although last Saturday was 44 deg C)

Yep...add me to your list of a drip main seal scenario on Beryl Beemer.

Beryl's been like this for now say 4 years???? at least. Just a couple of drips when parked, which necessitates probably two top ups of oil in between 10,000kms oil changes. Beryl has 175,800kms on the clock, and still on original clutch, radio etc (just been reading the Jensen MSR2007 conversion...looks very nice). What radio freq range does it use (says US and Euro) probably not usable here in Oz, but the ipod and satrad would be good.

I'll keep topping up the oil a couple times as the cost is prohibitive to just get the seal done, and will wait until clutch goes (maybe another 10 years???).

cheers
Nice to hear from our friends down under. Same here 130k miles and still leaks, but just wet underneath. She will break eventually and then I will fix everything at once.
Its a nice 80f here in Fla.

Zeke

45 years riding and still more places to see.
2002 K1200LT
2016 R1200RT
IBA # 41935
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post #9 of 10 Old Jan 29th, 2009, 11:29 pm Thread Starter
 
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Re: Main Seal leak

Thanks for all the info

I will go with , Ride her till she drops dead or needs a clutch

No oil has yet hit the ground, just the skid plate

Thanks again
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post #10 of 10 Old Jan 30th, 2009, 7:14 am
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Re: Main Seal leak

Quote:
Originally Posted by TrackAdaptor
Thanks for all the info

I will go with , Ride her till she drops dead or needs a clutch

No oil has yet hit the ground, just the skid plate

Thanks again
You may want to consider drilling a .3125 (5/16") hole in the bottom center of your intermediate case (bell housing). The purpose of my hole in that location is to give early warning of the leak you describe. However, such a hole may help to drain your clutch area and prolong your use before overhaul.

John

2004 - LT - Anthracite
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