Is it OK to Top Off Stock Ducati Coolant Reservoir With 'Engine Ice'? - Page 2 - Ducati.ms - The Ultimate Ducati Forum
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post #11 of 26 (permalink) Old Jul 19th, 2019, 7:08 am
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Just grab a bottle of distilled water at the grocery store for a $1.00... Can't go wrong there.

Bigger question is how much do you need to add, are you sure you need to? If you really do need to add coolant, as in the reservoir is below the low-level line, where did the coolant go that you are replacing? The reservoir bottle has a high mark and a low mark for a reason. If you are between those marks, even if you are closer to the low end, you don't need to add anything. Being on the high mark is not going to gain you anything and gives you less room for expansion if needed.

If you're loosing coolant, forget adding more. Find out where it's going first.
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post #12 of 26 (permalink) Old Jul 19th, 2019, 7:29 am
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Thank you Davy.J for the expert clarification.
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post #13 of 26 (permalink) Old Jul 19th, 2019, 10:36 am Thread Starter
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Why not make it easy on yourself and replace the coolant, can't do it no harm. I with the others and have read never mix different coolants.
Wouldn't doing a complete flush on a bike with only 3K miles (that only needs a little top off) be a waste?

Thanks
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post #14 of 26 (permalink) Old Jul 19th, 2019, 10:40 am Thread Starter
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Just grab a bottle of distilled water at the grocery store for a $1.00... Can't go wrong there.

Bigger question is how much do you need to add, are you sure you need to? If you really do need to add coolant, as in the reservoir is below the low-level line, where did the coolant go that you are replacing? The reservoir bottle has a high mark and a low mark for a reason. If you are between those marks, even if you are closer to the low end, you don't need to add anything. Being on the high mark is not going to gain you anything and gives you less room for expansion if needed.

If you're loosing coolant, forget adding more. Find out where it's going first.
I don't suspect the bike is leaking coolant.

The reservoir level looks to be just below the 'Min' line, kinda hard to tell without a small penlight, though.

The front fairing is blocking the reservoir fill hole. Am I going to need to remove some body work to add coolant, or can I jamb a small funnel neck in between?

Thanks
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post #15 of 26 (permalink) Old Jul 19th, 2019, 11:48 am
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I don't know your bike, can't answer about access. I have a long thin transmission oil funnel for such things. Maybe that would help.

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post #16 of 26 (permalink) Old Jul 19th, 2019, 1:55 pm
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I have a funnel with tubing on it. They sell them like that. As far as mixing, how about chocolate and vanilla ice cream ? I know thereís a disclaimer on the carton but the lady at the counter swears it will work.

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post #17 of 26 (permalink) Old Jul 19th, 2019, 2:13 pm
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Originally Posted by DrSpencer View Post
Wouldn't doing a complete flush on a bike with only 3K miles (that only needs a little top off) be a waste?
I can't comment on waste but my coolant came out of the same bottle and that's very important to me.

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post #18 of 26 (permalink) Old Jul 19th, 2019, 2:35 pm
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Why not make it easy on yourself and replace the coolant, can't do it no harm. I with the others and have read never mix different coolants.

Seems unnecessary. I would top off with water, then flush and fill with a good, readily available coolant at the next coolant service interval, if it were me.
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post #19 of 26 (permalink) Old Jul 19th, 2019, 2:36 pm
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Originally Posted by davy.j View Post
No it is not ok.


Never ever mix one brand of coolant with another no matter what it says on the label.


I'm in a cooling system related field and the biggest single issue I see is caused by mixed coolants.


Just a cup full of non compatible ones will turn you coolant acidic within a few weeks with the resultant consequences over time.
Definitely on mixing coolant types, but what about additives? If these were never meant to be mixed with coolant, then why do they have mixing instructions for such? I can see race applications where one would mix with pure water, but Purple Ice, for one, specifically states how much to use with a 50/50 coolant mixture.
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post #20 of 26 (permalink) Old Jul 19th, 2019, 8:53 pm
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Originally Posted by DrSpencer View Post
Wouldn't doing a complete flush on a bike with only 3K miles (that only needs a little top off) be a waste?

Thanks

Not if you can't positively identify the coolant that's already in there.

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