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Old 01-24-2013, 06:12 PM   #16
JRWooden
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Quote:
Originally Posted by Reaver View Post
Actually.........all the parallel twins do at first. S, ST, R, GS .
Yeah ... they ALL do that .... see that's what I said ...

You can't read ALL my old threads... you don't have time

For a while at least, the replacement water pumps were coming with both a plastic and a metal gear so they could be matched to the existing gear material on the camshaft ... not sure if they still do that.... it would be a "revenue enhancer" for the dealership if they didn't ............

Uber-Blue ... the BMW dealer has it for about $40 / gallon ... it's great ... the blue color comes from the dissolved pharmaceuticals that are in it ... that's why you have to stay away from the green crap Reaver uses ....

It's all good... I have a good supply of blue cool-aid, it comes in a 25.4 oz (750 ml) cans imported from down under............ but It's only for human cooling systems....
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Old 01-24-2013, 06:24 PM   #17
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The "R" bikes leak coolant real bad but no one seems to notice.
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Old 01-27-2013, 04:16 PM   #18
EnderTheX OP
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OK... so I took off the panels, clamped the hose shut and opened the radiator cap. To my surprise there was coolant all the way to the top!

My reservoir was at the low side so I topped it off and I am trying to put on the right side panel again...

For the life of me I can't get the damn screw in that goes through the beak, side panel and air dam...

Does anyone have any tips on this screw? I hate it...


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Old 01-27-2013, 04:44 PM   #19
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I did a pictorial on that.......You're not the first.

http://www.advrider.com/forums/showthread.php?t=817641
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Old 01-27-2013, 05:24 PM   #20
moe.ron
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There is always one screw, bolt, or nut that is a problem, its the German way.
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Old 01-28-2013, 05:04 PM   #21
Gadz
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Here in Brazil, this problem is very common. BMW replaces it under warranty. There are some guys that had it replaced two or three times. The water pump has poor quality o'rings. BMW replaces the pump instead of o'rings.
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Old 01-28-2013, 05:06 PM   #22
EnderTheX OP
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Quote:
Originally Posted by Reaver View Post
I did a pictorial on that.......You're not the first.

http://www.advrider.com/forums/showthread.php?t=817641


THANK YOU!!!

After a lot of cursing and finger abuse yesterday... I followed the pictorial and "click" in the first time today!!!
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Old 01-28-2013, 05:07 PM   #23
EnderTheX OP
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Quote:
Originally Posted by Gadz View Post
Here in Brazil, this problem is very common. BMW replaces it under warranty. There are some guys that had it replaced two or three times. The water pump has poor quality o'rings. BMW replaces the pump instead of o'rings.

I wish I was under warranty... I'll be damned if I pay a ton of money for something that isn't totally broke... I don't know if my pump seals are bad enough to do much about it yet except top off my reservoir.
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Old 01-30-2013, 02:50 PM   #24
Mr B
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Check your water pump that is a weep hole when the water pump starts to fail, pretty sure, mine did the same thing but only a little while the water pump failed pretty soon after i saw this...
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Old 06-26-2013, 07:39 AM   #25
kelsow
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If someone has a better place to put this, lemme know.

So my water pump started leaking out of the weep hole.
With all the research I could find, most people either had it fixed under warranty or chose not to do anything till it got worse.

I couldn't find any info on how to fix this so I decided to try myself.

I always start with a before photo for reference.


I started by taking off the hoses,




I then removed the 5 bolts. Keep in mind, the top bolt between the ABS lines is the bleeder.


Here is the cover removed.


I had to take out the top line to be able to manouvre the pump cover out of the way.


I don't have many special BMW tools... so I had to improvise using these plyers,


With very little force, the impeller was removed.


Now the hard part. I don't have a puller so I had to find a nut to thread on to the WP.
I didn't have any to fit but come to find out, the nuts holding on the bash plate will screw on perfectly.
Not sure of the size.

I didn't want the WP to come out too fast so I screwed in the one bolt half way to stop it.


I then used vice grips with a fan belt and a large hammer to yank the pump out.
I know it's ghetto but whatyagonndo?

There was bit of "goop" holding in my WP, YMMV.


My WP had a line of black rubber so a bit scotch pad removed the remnants.


New parts at 2 bux a pair.

(I bought 4)

Quite a bit of difference between the 2. Hard and stiff/soft and squishy




I also replaced the WP gasket as the original was squished and I didn't think the used one would hold very well.



I used a bit of gasket goop to seal the WP back into position and a little bit of oil on the new rubber seals.
One hard part was lining up the teeth when you go to insert the pump.
It took a few tries.

I put everything back together in reverse order and bled the system from directions I found here,
http://www.advrider.com/forums/showp...8&postcount=11

Thanks to Joel and a few others for making this easier.
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Old 06-26-2013, 08:08 AM   #26
Loutre
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Well thank you very much for the imput! With pics and informations like these, you even could have started a new thread. Very much appreciated these DIY works
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Old 06-26-2013, 08:12 AM   #27
EnderTheX OP
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Quote:
Originally Posted by kelsow;21730385

Quite a bit of difference between the 2. Hard and stiff/soft and squishy
[IMG
http://dualsport.smugmug.com/Motorcycles/Water-pump/i-R5LMCQK/0/M/IMGP1531-M.jpg[/IMG]



Cool pictorial! Are the pictures above evidence of yet another change BMW made to some parts without telling us? There seems to be an increasing amount of design changes for these issues that "don't exist". I'm not complaining... just wish they would inform us and offer to upgrade the bikes.

Edit: not sure why it is not showing up but I intended to also show the old and new o-rings as well.

EnderTheX screwed with this post 06-26-2013 at 08:21 AM
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Old 06-26-2013, 08:32 AM   #28
JRWooden
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Side note:

the water pump had been redesigned (again) and now uses a caged needle bearing instead of a bushing. The new design requires the use of plastic gears, so if you have an older build bike with metal water pump gears you will have to pull the camshaft out to replace the metal drive gear with the plastic one....
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Old 06-26-2013, 12:49 PM   #29
NCD
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When my pump was seeping a bit of oil and coolant back and forth - Joel W. told me that the coolant is sealed inside that unit by two discs back to back. No service can be done. Don't those o rings replaced in this DIY just seal the unit in the bike?

He said the back to back discs sealed the coolant, and may seep from time to time under the right circumstances, but last a long time. The oil is a o ring seal, but again - inside the unit.

Hmmmmm.
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Old 06-26-2013, 06:33 PM   #30
CheckerdD
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Surprised no one thinks it's a seeping head gasket since it started to form well over the pump. I would just ride the bike till it becomes excessive or the warranty was about to run. Dave
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