Oil leaking from pump unit - MVAgusta.net
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post #1 of 12 (permalink) Old 03-14-2016, 05:48 AM Thread Starter
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Oil leaking from pump unit

Good morning gents,

My f4 is leaking a little bit of oil from the oil pump ( bottom right close by the headers)
To reach the bolts, I need to remove the exhaust first and my guess would be the radiator as well ( for some working space).

What is the best way to remove the radiator, assuming that it needs to be drained as well?

After this, it should be fairly simple by removing 4 bolts and replacing the gasket at the pump.

Please do correct me at any part if I might be wrong
Any help / previous experience would be appreciated.

MV Agusta F4S EVO3
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post #2 of 12 (permalink) Old 03-14-2016, 06:53 AM
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It's not an oil pump, but a heat exchanger/oil cooler.
You don't have to remove the radiators to remove the header pipes, undo the bracket at the bottom and swing them forward.
Most of the time you can do the big nut up which hold the heat exchanger on without removing the headers too.
Un-clip the securing clip over the exchanger, do up the nut/bolt as tight as you can with a ring spanner and test again.
If it still leaks then you might have the O-rings behind the exchanger manual that's leaking, for this you have to remove the headers.





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Last edited by Donsy; 10-11-2018 at 10:31 AM.
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post #3 of 12 (permalink) Old 03-14-2016, 10:11 AM
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It may just need tightening
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post #4 of 12 (permalink) Old 03-15-2016, 03:36 PM
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+1, I had the same issue, and the bolt was surprisingly loose. Snugged it up early last year and haven't had a problem since. Forewarning, it is cramped in there behind the headers, so bring your patience. lol
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post #5 of 12 (permalink) Old 03-30-2016, 02:24 AM
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Did the same. Popped the clip off with a flat head and tightened the front heat exchanger bolt. Takes 10 minutes
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post #6 of 12 (permalink) Old 03-30-2016, 01:48 PM
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Same for me and problem solved.

What a beast of a motorcycle!
It growls and rages and flies across the tarmac like a wild animal that has escaped the confinement of a cage and after merely waiting restlessly until the release, will not endure being locked up ever again.


Skye I miss you. L'essentiel est invisible pour les yeux.
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post #7 of 12 (permalink) Old 04-04-2016, 03:44 AM
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That diagram is a bit misleading though, part 21 goes over the top of 22 to stop it coming undone.
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post #8 of 12 (permalink) Old 04-10-2016, 02:20 AM
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Question ?

Quote:
Originally Posted by Donsy View Post
...
Most of the time you can do the big nut up which hold the heat exchanger on without removing the headers too.
Unclip the securing clip over the exchanger, do up the not as tight as you can with a ring spanner and tst again.
Couple of important typos there Donsy......

I finally found the factory torque number for the heat exchanger bolt.....

Page B83 of the Engine Manual....

15Nm ......no wonder it leaks

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post #9 of 12 (permalink) Old 04-10-2016, 03:49 AM
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Sorry Noel, I'll fix it now, sometimes spell check works, sometimes it doesn't.

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post #10 of 12 (permalink) Old 04-10-2016, 09:38 PM
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Thumbs down !

Quote:
Originally Posted by Donsy View Post
Sorry Noel, I'll fix it now, sometimes spell check works, sometimes it doesn't.
Yes, and the manual translations and drawings are worse......

Read the part in the Engine Manual about the cylinder stud nuts.....and torquing them

and what lubes to use on what.......It makes NO sense at all



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