White sediment in Coolant expansion tank - Kawasaki Versys Forum
 
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post #1 of 12 (permalink) Old 02-04-2012, 06:44 AM Thread Starter
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White sediment in Coolant expansion tank



Have noticed this sediment when the bike was still under 1k km but had no chance of taking a pic. Now that I did at 9.5k km, was wondering if any of you guys/gals know what is it. It seats at the bottom of the tank, and when I shake the tank, they would move, not much. Will not cause coolant to go murky. Green coolant is still clear.

Coolant levels have maintained, no overheat issues, no overflowing of coolant. Thanks. Most of the sediment sits at the lowest portion of the tank where the hose links up to the radiator.

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post #2 of 12 (permalink) Old 02-04-2012, 09:56 AM
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It's evaporated coolant residue... Drain reservoir and engine coolant, clean pressure cap and reservoir, refill cooling system with water, run engine until thermostat opens, let it cool down, drain again, refill with distilled water, drain, then refill with silicates free long-life coolant mixed 50/50 with distilled (demineralized+deionized if possible) water.

Last edited by invader; 02-06-2012 at 03:53 AM.
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post #3 of 12 (permalink) Old 02-05-2012, 12:40 AM
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Thanks, Invader for confirming what my mechanic friend told me.

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post #4 of 12 (permalink) Old 02-05-2012, 02:27 AM Thread Starter
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Thanks Invader. Have been wanting to change the coolant for a long time but held back due to the "once in 3 years or 36k km" change interval in the service chapter.

Time to put in the Red Toyota Long life with Motul MoCool. Since the left fairings are coming off, I hold back till I get by Philips Premium (+30%) bulbs from eBay. Would be easier to access the bulbs that way.

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post #5 of 12 (permalink) Old 02-05-2012, 06:13 AM
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post #6 of 12 (permalink) Old 02-12-2012, 02:07 AM Thread Starter
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Ok done the coolant job. Now it is red. Looks like a nice drink .... so tempting when the job was done under hot weather here.

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post #7 of 12 (permalink) Old 02-12-2012, 03:09 AM
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That does look good to drink. Looks very nice and summer like out there. Cool photo.

What's the part number on that Toyota coolant?
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post #8 of 12 (permalink) Old 02-15-2012, 01:36 AM Thread Starter
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Invader, it is really our tropical summer at this time of the year...the hottest part of the year with little rain. You don't have to do much to get exhausted from the heat. The red fluid reminds me of Rose syrup but probably to the American Continent, Cool Aid or something

I really didn't realized that it would have a part number but I did a check and it is : 00272-1LLAC

The Toyota Super Long Life (OAT) is 00272-SLLC2 but the OAT is kind of scary due to the Dex-Cool incident.

Other Toyota related fluids part number: http://www.toyotapartsandservice.com...20Specs_V3.pdf

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post #9 of 12 (permalink) Old 02-15-2012, 08:24 AM
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Nice info.

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post #10 of 12 (permalink) Old 02-19-2012, 08:35 PM Thread Starter
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Just to a note, the Radiator Cap looks like a standard vehicle rad cap, made by Nippon Denso rated at 1.1 (can't remember the units). I know my car's cap is 0.9.

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post #11 of 12 (permalink) Old 02-27-2012, 10:29 PM
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Leslie, For reference,

Found in the 2011 service manual sect 4-8 Cooling system on coolant:

if whitish cotton -like wafts are observed, aluminum parts in the cooling system are corroded.
if the coolant is brown, iron or steel parts are rusting.
if the cooling gives an abnormal smell, check for cooling system leak. It may be caused by exhaust gas leaking into the cooling system.


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post #12 of 12 (permalink) Old 02-28-2012, 12:37 AM Thread Starter
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Thanks Steven, fortunately none of the above is found. I peep through via the radiator cap opening and see that the core is clean, good, no sign of corrosion or scaling.

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