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Old February 25th, 2014, 08:17 PM   #1
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Default School me on antifreeze

I've always used the green stuff. I just put my radiator back in and realized I bought the orange glycol stuff. Somewhere I heard the 2 are incompatible but I don't see anything on the jug.

So, compatible or not, one better than the other, where applicable or not?

So teach the old guy.
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Old February 25th, 2014, 08:19 PM   #2
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We use gl-5, more of a yellow. Suppose to interchange with any kind. I run from the orange lol.
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Old February 25th, 2014, 08:22 PM   #3
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They usually say if they are compatible with any make and model. Unless you bought the GM stuff I think.

Typically they are not mixable unless you have the new stuff that is compatible with all makes and models which most of the new stuff is.

I would not use it in a high end vehicle that call for some special blue or pink stuff.

If you want to use what you have and are worried about it just flush the whole system and use whatever you want.

I have read to use the green over the orange and I have seen what the orange stuff can do in certain situations, not sure if the new stuff has that issue or not.

But the orange stuff is supposed to go longer between flushes.

So what vehicle are you working on?
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Old February 25th, 2014, 08:24 PM   #4
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Quote:
Originally Posted by CheapThrillB2 View Post
We use gl-5, more of a yellow. Suppose to interchange with any kind. I run from the orange lol.
I have used that yellow stuff, guaranteed to work with everything supposedly and we pumped it out of a 55 gal barrel.
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Old February 25th, 2014, 08:46 PM   #5
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Quote:
Originally Posted by firehawk View Post
They usually say if they are compatible with any make and model. Unless you bought the GM stuff I think.

Typically they are not mixable unless you have the new stuff that is compatible with all makes and models which most of the new stuff is.

I would not use it in a high end vehicle that call for some special blue or pink stuff.

If you want to use what you have and are worried about it just flush the whole system and use whatever you want.

I have read to use the green over the orange and I have seen what the orange stuff can do in certain situations, not sure if the new stuff has that issue or not.

But the orange stuff is supposed to go longer between flushes.

So what vehicle are you working on?


his jeep.

if you use the orange stuff I would do a good flush.
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Old February 25th, 2014, 08:51 PM   #6
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Yup, the jeep. I would rather use a universal coolant that can be mixed & matched on the trail versus something special. The jug just says it's good for any vehicle that specifies dex-cool.
What happens if it gets mixed?
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Old February 25th, 2014, 08:51 PM   #7
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Stay away from the orange stuff i assume its dexcool we use global antifreeze at work its universal and will mix with anything

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Old February 25th, 2014, 08:52 PM   #8
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Fawk dexcool. Green stuff rules
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Old February 25th, 2014, 08:53 PM   #9
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Quote:
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What happens if it gets mixed?
Mud and corrosion
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Old February 25th, 2014, 09:04 PM   #10
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I would stay with green or yellow....they can be be mixed and the yellow normally says it is universal. Unless you are gonna completely flush the system and switch to DexCool...I would not mix a DexCool branded coolant as it is not recommended to mix them. Some manufactures are using orange dye in their universal coolant so you can't go by color alone.

We probably have 10 different coolants at the shop to cover everything as we only use a coolant that is approved my the vehicles manufacture.
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Old February 25th, 2014, 09:48 PM   #11
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Don't use the Dex Cool unless that is what was in there. But then you can flush it and put the other stuff in there.
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Old February 25th, 2014, 10:27 PM   #12
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What's wrong with the orange GM dexcool?
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Old February 25th, 2014, 11:00 PM   #13
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Quote:
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What's wrong with the orange GM dexcool?
Google it.

Many issues, some were from bad cooling systems but it sludges up and some rubber gaskets from GM gets eaten away from it.
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Old February 26th, 2014, 05:16 AM   #14
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Quote:
Originally Posted by firehawk View Post
Google it.

Many issues, some were from bad cooling systems but it sludges up and some rubber gaskets from GM gets eaten away from it.
It's hard to google with a slow as fawk phone

Good to know thanks. That's what i run right now. I'll have to look into it and see if it's worth doing a flush and changing fluid.
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Old February 26th, 2014, 05:20 AM   #15
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Quote:
Originally Posted by firehawk View Post
Google it.

Many issues, some were from bad cooling systems but it sludges up and some rubber gaskets from GM gets eaten away from it.
I didn't want to google it cuz you guys are so much wiser.

Thanks for all the input. Anybody want to buy a freshly opened jug of dex cool cheap?
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Old February 26th, 2014, 05:51 AM   #16
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Quote:
Originally Posted by 8PTBUCK View Post
It's hard to google with a slow as fawk phone

Good to know thanks. That's what i run right now. I'll have to look into it and see if it's worth doing a flush and changing fluid.
What kind of vehicle? Chrysler uses a orange coolant but it is not DexCool.

Best thing you can do if you have DexCool (or any other really) is to make sure it does not get low and the radiator cap is in good condition.
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Old February 26th, 2014, 06:05 AM   #17
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I've heard sex cool gets nasty when old and starts eating gaskets.
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Old February 26th, 2014, 06:05 AM   #18
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Default if for Chrysler...

The coolant that is approved for 2001 and newer Chryslers is a HOAT formula.
The only aftermarket approved MS-9769 spec coolant is ZEREX G-05 spec coolant.

So sayeth Chrysler forums.
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Old February 26th, 2014, 10:13 AM   #19
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Adding to the many issues of Dex-Cool, part of the issue is corrosion of aluminum parts.

Also, this is from personal experience and some experience of other mechanic associates of mine. It seems a magic combo for destruction is to take a GM vehicle with 70-150K on it and flush out the original Dex-Cool. Then put in new Dex-Cool. In my own personal experience more than half a dozen times, right after doing that within a week or two I've had some sort of gasket failure, usually intake or water pump. From what I have gathered it has something to do with acidity or possibly alkalinity.
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Old February 26th, 2014, 10:34 AM   #20
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dexcool is how my Chebbie van got a new engine. Intake gasket went away.
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