Coolant Leak - Ducati 959 Panigale Forum
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post #1 of 67 (permalink) Old 09-19-2016, 10:41 AM Thread Starter
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Coolant Leak

Anyone have any coolant leaks yet?

My bike was sitting in the garage over the weekend and I come to find that there's a couple of drops of coolant on the floor. Digging into it, seems like a leak from the bottom of the thermostat, most likely the hose. Drops pooling on the crankcase, dripping down the alternator case onto the floor. Weekend was cool over here, temps dropped to low 40's (degF).
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post #2 of 67 (permalink) Old 09-19-2016, 11:16 PM
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I've noticed a slight "sweat" pool in the same location - I have to investigate further, but it doesn't look anything nearly like a "leak"

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post #3 of 67 (permalink) Old 09-19-2016, 11:46 PM Thread Starter
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Mine is probably leaking at a rate of 1-2 drops an hour. Not a big deal, just a hassle at this point.

Gonna bring it into the dealer soon so they could deal with it. Should be a warranty issue right?
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post #4 of 67 (permalink) Old 10-07-2016, 02:01 PM
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I had to take mine back to the dealer for service because the coolant leak was ruining my exhaust sleeve. Coolant was "weeping" out of a hole in the engine block. I was told by the service technicians that this is pretty common and that it should stop after break in. Ducati warrantied all parts, cleaned up the areas, and said if it continues, engine seals will need to be replaced.

Coolant was pooling in the exact same spot in the pics the OP posted, but mine would eventually run down the face of the clutch housing and drip onto the exhaust, and bake onto it. The residue was impossible to remove. I'm actually curious if my engine is "weeping" or if my leak is coming from the coolant hose like DJ Shrug pointed out. I'll have to keep an eye on that.
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post #5 of 67 (permalink) Old 10-07-2016, 06:27 PM Thread Starter
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My leak was on the left side of the engine, has since disappeared after tightening the host clamps. Haven't seen anything come out of my weep port, but it has been a big problem for 899's/1299's from what I've read.

It's time to polish that exhaust @Wesley Richardson !

2016 AWS 959 Panigale - Sato Racing Sliders | T-Rex Axle Sliders | Dieci83 Radiator Guards | Techspec Tankpads | NRC FEK | NRC Mirror Block Offs | CRG Arrow Mirror | TWM Brake Lever Guard | Ducabike Gen 1 Rearsets
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post #6 of 67 (permalink) Old 01-17-2017, 03:19 PM
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Just posted in another section about this, mine is currently in getting fixed. Only checked because my mates 899 was doing this and had a water pump replacement.
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post #7 of 67 (permalink) Old 10-17-2017, 03:01 AM
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My 959 Started leaking coolant a week ago. I got it back from my dealership after chain tensioning. That afternoon I could hear the coolant boiling, then came the wet spots. After that, I could hear the coolant boiling after each ride. Today on my way to work, it lost all the coolant. My dealership is on route to collect the bike. Still no idea what the reason is. Will keep you posted.
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post #8 of 67 (permalink) Old 10-17-2017, 10:39 AM Thread Starter
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Sounds like a fully failed pump

2016 AWS 959 Panigale - Sato Racing Sliders | T-Rex Axle Sliders | Dieci83 Radiator Guards | Techspec Tankpads | NRC FEK | NRC Mirror Block Offs | CRG Arrow Mirror | TWM Brake Lever Guard | Ducabike Gen 1 Rearsets
2009 Red Ninja 250R - Totsubo Exhaust | Woodcraft Rearsets | RaceTech Cartridge Emulators | Ground Off Kickstand Mount | Pirelli SuperCorsa SC1/SC2 | Attack Race Bodies Fairings
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post #9 of 67 (permalink) Old 10-25-2017, 03:13 PM
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soooooo i jinxed myself because literally two days after reading this thread while cruising around the forums, I noticed coolant streaks down the right side of my bike when I got to work. Turns out it was leaking from the radiator cap, however, the cap did not fail, turns out the flange was slightly bent. So it was probably like this from day 1 on the showroom and done during production or assembly. The coolant was running down the inside of the fairing and eventually got bad enough to where it hit the body seam and then was blown out and back when at speed.

My riding season just died =(. From the looks of the forecast it will be too cold and wintry (see my "thermal limit" thread") to ride anymore. Here's to a short winter.
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post #10 of 67 (permalink) Old 10-26-2017, 02:03 PM Thread Starter
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Bummer. Heard a lot about the cap's rubber seal failing, but never the radiator flange.


What's your plan from here?

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