Author Topic: Cooling systems maintenance questions.  (Read 666 times)

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Offline DSamudio

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Cooling systems maintenance questions.
« on: August 12, 2019, 09:48:55 pm »
2003 c10

What kind of radiator fluids should I use to fill the reservoir?

There are several Cycle Gear stores near me.

The reservoir is damp, after a 200+ mile with temps from 80 to 98 here in Texas, but not any extra.

The temp never gets above 1/2 way at stop lights and at 1/4 during riding.

If I drain the radiator, do I also need to drain the engine?

Thanks for your advice,

DS

Offline Bob_C_CT

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Re: Cooling systems maintenance questions.
« Reply #1 on: August 13, 2019, 12:32:13 am »
I use Honda II car pre-mixed blue available at all Honda car dealers.
Here is a shortcut to a post MOB replied to on the drain and burping locations.
I thought there was a write up in the tech section for coolant change but it was for a water pump removal and replacement. Use distilled water to flush system. No tap water.

http://forum.cog-online.org/concours-c10-zg1000-general-chat-and-tech/coolant-leak-help/msg654729/#msg654729
« Last Edit: August 13, 2019, 09:36:51 am by Bob_C_CT, Reason: Distilled »
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Offline bajasam

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Re: Cooling systems maintenance questions.
« Reply #2 on: August 13, 2019, 02:07:13 am »
green,red,blue it dont matter, most agree just dont mix them, do a complete drain

Offline works4me

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Re: Cooling systems maintenance questions.
« Reply #3 on: August 13, 2019, 11:46:17 am »
green,red,blue it dont matter, most agree just dont mix them, do a complete drain

Avoid coolant with silicates. Bad for seals in pump.

Offline Bostonclassics

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Re: Cooling systems maintenance questions.
« Reply #4 on: August 13, 2019, 12:21:20 pm »
I would change the thermostat and watch the water pump.  I just changed both and it's fairly easy to do considering we need safe machines to get us home.

Offline batboy

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Re: Cooling systems maintenance questions.
« Reply #5 on: August 13, 2019, 12:39:44 pm »
One evening recently, I researched for about two hours trying to decide what coolant to use. What I have found is there is no single product that the majority agrees upon. There is a lot of debate on this subject, to say the least. The original antifreeze was green and you aren't suppose to mix them. I didn't want to drain and flush to the nth degree, so I decided to stay with green. Most people avoid coolant with silicates, but there is some controversy in that regard. I decided to get a coolant without silicates. My last two factors was it needed to be readily available and not expensive. I settled on Peak antifreeze (blue container, but the coolant is green).  Peak is available at Autozone for about the same price as the other brands. The fine print says: "Meets European phosphate-free and Japanese silicate-free requirements, meets ASTM D-3306 and D-4340." Hope this helps.
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Offline Mcfly

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Re: Cooling systems maintenance questions.
« Reply #6 on: August 13, 2019, 12:57:50 pm »
Silicate and Phosphate free Coolant mixed with distilled water. 
I mix water wetter in, seems to help in Florida heat.

I flush the system well with tap water, then again with distilled water...
Premix the coolant cocktail fill, then burb/bleed the system.

Look for SISF's Coolant Cocktail in the forum... works well.


« Last Edit: August 15, 2019, 10:49:51 pm by Mcfly »
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Offline DSamudio

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Re: Cooling systems maintenance questions.
« Reply #7 on: August 13, 2019, 10:38:14 pm »
Thanks everyone for your help.

I did find the coolant cocktail formula here:

http://forum.cog-online.org/concours-14-zg1400-general-chat-and-tech/coolant-cocktail-a-more-efficient-cooling-system/

I'll make that my next project.

This bike lives in my garage here in Ft. Worth Texas.

Does anyone do any tweaking of the ratios for this location, heat and occasional freezing weather?

DS

Offline SteveJ.

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Re: Cooling systems maintenance questions.
« Reply #8 on: August 14, 2019, 02:53:09 am »
Thanks everyone for your help.

I did find the coolant cocktail formula here:

http://forum.cog-online.org/concours-14-zg1400-general-chat-and-tech/coolant-cocktail-a-more-efficient-cooling-system/

I'll make that my next project.

This bike lives in my garage here in Ft. Worth Texas.

Does anyone do any tweaking of the ratios for this location, heat and occasional freezing weather?

DS

Living in Florida, I cut the antifreeze ratio to a one third ratio. The cooling system was spotless at over 200k miles with regular maintenance including replacement of the coolant every two years.

HTH.

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Offline Rastus

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Re: Cooling systems maintenance questions.
« Reply #9 on: August 14, 2019, 04:50:29 pm »
My 03 with about 76,000 miles on it doesn’t seem to stay as cool as it used to. Does anyone know how many miles you can expect out of a water pump on a C10? Any ideas on fan upgrades? I don’t wish to slow down just so the bike will run cooler.

Offline DSamudio

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Re: Cooling systems maintenance questions.
« Reply #10 on: August 15, 2019, 01:45:22 am »
My 03 with about 76,000 miles on it doesn’t seem to stay as cool as it used to. Does anyone know how many miles you can expect out of a water pump on a C10? Any ideas on fan upgrades? I don’t wish to slow down just so the bike will run cooler.

If you click the link I posted, there is a very good explanation of why fan up grades are not very effective.

DS

Offline DSamudio

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Re: Cooling systems maintenance questions.
« Reply #11 on: August 17, 2019, 01:20:35 am »
According to the reservoir, the coolant is green.

After a careful read of the Clymer manual, the standard procedure is to drain\change the oil when you are changing the coolant.

Is this correct?

How do you flush the fluids out of the block or do I just flush the radiator and reservoir?

Could I just drain the Radiator and use the SISF coolant cocktail and refill?

All advice welcome.

DS
« Last Edit: August 17, 2019, 01:40:33 am by DSamudio, Reason: I did more reading »

Offline cra-z1000

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Re: Cooling systems maintenance questions.
« Reply #12 on: August 17, 2019, 01:37:26 am »
It's a good time to replace the hoses while its drained since the coolant will last a long time . Murphs sells them ready to go . Those are some old hoses if theyve never been changed .
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Offline DSamudio

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Re: Cooling systems maintenance questions.
« Reply #13 on: August 17, 2019, 01:43:31 am »
It's a good time to replace the hoses while its drained since the coolant will last a long time . Murphs sells them ready to go . Those are some old hoses if theyve never been changed .

Thanks for the advice.

I don't think the hoses look to bad, but I will double check.

The little fluid that I saw looks clean.

DS

Offline batboy

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Re: Cooling systems maintenance questions.
« Reply #14 on: August 17, 2019, 03:46:19 am »
The coolant drain plug is located low, down by the exhaust almost, so most of the coolant does go out when drained, assuming you also empty the reservoir. But, if you're changing type of coolant, I would fill and flush with distilled water and drain again before refilling with the new coolant.
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Offline Mcfly

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Re: Cooling systems maintenance questions.
« Reply #15 on: August 17, 2019, 11:07:43 am »
It's the hose you don't see, the one going behind the exhaust manifold...  get a good
look at that one iffin' you can.  That'll be the one that gets your goat when you change them out.

Flush and fill still requires bleeding out the air, so you have to dig in just the same.
The job isn't difficult at all... just a bit time consuming.  Worth it just the same.

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Offline Murph

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Re: Cooling systems maintenance questions.
« Reply #16 on: August 20, 2019, 08:23:15 pm »
[quoteIt's the hose you don't see, the one going behind the exhaust manifold...  get a good
look at that one iffin' you can.  That'll be the one that gets your goat when you change them out.][/quote]

That's the one that got me going to a rally many years ago... that's why we sell a complete set...as well as single hoses..

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Offline Rod

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Re: Cooling systems maintenance questions.
« Reply #17 on: August 20, 2019, 11:34:18 pm »
 Murph has parts ,and fast service.