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Old Jun 3rd 2016, 03:52 AM   #21
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Originally Posted by Fragile View Post
Update, I traced stain back to the weephole so far. Its tiny leak after ride dribbling down to the threaded dowel screw. Still cant tell though if its coming from squirter above or the weephole to be sure. It will have to get much worse to tell. 440 miles on bike, haha. MV has over 6K miles and no issues whatsoever. Boy this sucks.
Have the weep hole leaking issue on my 1299S since new. Some drops of coolant every ride coming out of the weep hole (standing on side stand after ride). I was able to see it coming out that hole several times. Sometimes it was enough to flew down on the alternator cover. Got two new water pumps on warranty, but after 200-300 km it always started leaking again. My dealer complaint again vs Ducati, but no info what they want to do.

I think the quality of the water pump shaft seal is really poor...
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Old Jun 3rd 2016, 05:42 PM   #22
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"I think the quality of the water pump shaft seal is really poor... "
I tend to suspect the same....

Interesting observation. On my latest ride, it did not weep this time. I did not ride super hard but gave a it a good city heat cycle of stop go and wait. No leak this round. I will simply have to keep an eye on it. To be fair, the bike has sat most of the year, with only an occasional ride every third week or so. Still, this is so weird.
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Old Dec 10th 2016, 02:07 PM   #23
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Pump seal, squirter, the whole lot looks to be seeping now, haha. I can't tell where its coming from any more on my 15 because its comes from several places depending on how it feels, haha.....I guess I ride till I get stranded.
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Old Mar 6th 2017, 02:31 AM   #24
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Originally Posted by bp7178 View Post
I'm guessing this is the culprit. Its on page 111/148 of the parts manual.

55320121A SQUIRTER UNIT $169.86

I had brought my bike to the dealer when I noticed the leak. They checked it out, said they didn't notice any more leaking and its been dry since then.

Is there a service bulletin or anything on it?
Looks like I'm up for one of these aswell dried coolant everywhere out of the unit and hoses.
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Old Mar 7th 2017, 01:07 AM   #25
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As ducati hasn't revised this should I disassemble the new thermostat and place a smear of gasket sealer wear the o ring is?
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Old Mar 7th 2017, 05:58 AM   #26
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Originally Posted by Halo2 View Post
As ducati hasn't revised this should I disassemble the new thermostat and place a smear of gasket sealer wear the o ring is?
Personally I wouldn't use sealant where an O-ring is. You can buy replacement O-rings easily enough from a dealer. Just ensure the groove it sits in is perfectly clean and the mating surface on the engine as well. Above all, as it is a plastic assembly, do NOT overtighten the retaining bolts as you can distort the squirter sufficiently enough to cause another leak. I think the workshop manual states 10Nm for the three mounting bolts. The O-ring is a use it once affair. Once you remove the squirter you must replace it.
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Old Sep 19th 2017, 03:37 AM   #27
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Looks like I might have been bitten by the coolant leak demon. Sucks b/c its 3 months out of warranty.

I'm hoping it's a loose hose, but I think its the squirter. Either way a lot of digging thru plastic to fix it.



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Old Sep 19th 2017, 07:39 AM   #28
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Originally Posted by Slowdive2 View Post
Looks like I might have been bitten by the coolant leak demon. Sucks b/c its 3 months out of warranty.

I'm hoping it's a loose hose, but I think its the squirter. Either way a lot of digging thru plastic to fix it.
SNAP!!! Just out of warranty by a few months.....

Mine was a crack in the thermostat housing. They repaired it, I took the bike out and I started to see a few more drips. Went back to the dealers and it had stopped. Whether or not it had to get up to temperature or not to 'seat in' or it was laying in the fairings who knows, but no more leak.
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Old Sep 19th 2017, 12:33 PM   #29
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Originally Posted by Slowdive2 View Post
Looks like I might have been bitten by the coolant leak demon. Sucks b/c its 3 months out of warranty.

I'm hoping it's a loose hose, but I think its the squirter. Either way a lot of digging thru plastic to fix it.



If you have a good dealership they may chase it to be repaired under warranty or source the part cheaply.

Cos the thermostat housing ain't cheap 240 aud

And c+nt of a job to replace and shouldn't be made of plastic with a dodgy o ring to seal.

Originally Posted by Mutt1979 View Post
SNAP!!! Just out of warranty by a few months.....

Mine was a crack in the thermostat housing. They repaired it, I took the bike out and I started to see a few more drips. Went back to the dealers and it had stopped. Whether or not it had to get up to temperature or not to 'seat in' or it was laying in the fairings who knows, but no more leak.
You can have a quick visual of the thermostat without taking any fairings off.

Last edited by Halo2; Sep 19th 2017 at 01:36 PM.
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Old Sep 19th 2017, 02:42 PM   #30
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Where do they usually crack, where the hose attaches or elsewhere?

Here is a better pic.

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