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  Topic Review (Newest First)
05-16-2019 04:43 AM
IMMORTEN
Quote:
Originally Posted by klaxmaster View Post
Glad you discovered what it was.



My buddy and I had a similar experience with his mid 2000's impala with dex-cool. He got an oil change and the place topped off his coolant, but used regular ol' green. within 2 weeks, it looked like someone had eaten chipotle and taco bell for a month straight and then unleashed the contents of their bowels straight into his radiator.



And somehow that doesn't sound as bad as having 100% rust water run through your engines cooling system. o.O I'd check your water pump and theromstat, and consider replacing all your hoses.


I did a quick visual inspection of the hoses and thermostat, they didnít appear to be affected or compromised by the rusty water, so itís possible that it didnít run this way for very long.

But to be honest, I donít plan on keeping this Jeep for more than a year or two, when my mechanic inspected the underbody of my Jeep, he made a few discoveries that pointed to this Jeep had a hard life in salt water (possibly used to toe a boat and off / on load it in salt water.

The body of the Jeep is fine, but a lot of the underside parts are not in a healthy condition, all of which will be too expensive and not feasible to fix for a Jeep I paid around Ä1200 for.



Quote:
Originally Posted by downs View Post
Going of of color anymore isn't really recommended for picking a coolant. You're going to need to read labels. There are basically 3 types of coolant in use today.



"Traditional" Ethelyne Glycol or IAT Inorganic Acid Technology. The green stuff most people think about when they think about coolant.



OAT-Organic Acid Technology. Dexcool is an example of OAT.



HOAT-Hybraid Organic Acid Technology- The newer (past mid 12/13 model year) JKs and JLs use a OAT coolant, where as pre 13 models used a HOAT coolant, this has caused a lot of confusion for JK owners especially the guys with JKs built late 12 as a 13 model. I call it "Unicorn Blood" because it's blue/purpleish and in certain light conditions can even look a bit like dexcool. It can get confusing.



The move to these new coolant technologies has been done in the name of extended service intervals, hence why many GM cars with dexcool has coolant drain intervals over 100k miles or 10 years IIRC.



Big problem is mixing these types of coolant can have big consequences. Such as total cooling system destruction. I'll post a picture below to show an example.



I don't think that's what's happening here. I think the previous owner ran straight water (I see you found that already) in the system (probably not even distilled) which means you had water with no anti corrosion properties circulating though an Iron block and head. Not a recipe for longevity.



Now you can switch a system over to other types of coolant but it must be flushed VERY WELL. You don't want any of the old coolant hanging around in there if you decide to go that route. Good luck. Glad you caught it early and not when the system consisted of solid clay







As you can tell from the chart below going strictly off of color isn't always a good idea. And this chart is older there are more colors out there now.





That was a very informative and educational post, thank you very much for taking the time to write it out. [emoji106][emoji106]

That put things in a different perspective for me and opened my mind for things to look out for and consider when I look at coolant.

Again; thank you very much for taking the time to write that out for me. Your post is very well written and formulated in a clear and easy way to understand [emoji106]


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05-15-2019 06:33 PM
downs
Quote:
Originally Posted by IMMORTEN View Post
I havenít got a clue to honest about what and how much coolant they used.

Thanks for the tip about the voltage, Iíll check that [emoji106]







Thereís a high possibility of that, because they donít sell the Green coolant over here.

https://www.thansen.dk/bil/olie-og-k...d/n-495911436/


They only sell the red, yellow and blue kind, and by the looks of it they have used the red kind because the overflow tank has red coloring all over it.

So this raises my next question; which of the coolants can I use as an alternative to the green kind of coolant?

Red, yellow or blue kind?


Sent from my iPhone using Tapatalk
Going of of color anymore isn't really recommended for picking a coolant. You're going to need to read labels. There are basically 3 types of coolant in use today.

"Traditional" Ethelyne Glycol or IAT Inorganic Acid Technology. The green stuff most people think about when they think about coolant.

OAT-Organic Acid Technology. Dexcool is an example of OAT.

HOAT-Hybraid Organic Acid Technology- The newer (past mid 12/13 model year) JKs and JLs use a OAT coolant, where as pre 13 models used a HOAT coolant, this has caused a lot of confusion for JK owners especially the guys with JKs built late 12 as a 13 model. I call it "Unicorn Blood" because it's blue/purpleish and in certain light conditions can even look a bit like dexcool. It can get confusing.

The move to these new coolant technologies has been done in the name of extended service intervals, hence why many GM cars with dexcool has coolant drain intervals over 100k miles or 10 years IIRC.

Big problem is mixing these types of coolant can have big consequences. Such as total cooling system destruction. I'll post a picture below to show an example.

I don't think that's what's happening here. I think the previous owner ran straight water (I see you found that already) in the system (probably not even distilled) which means you had water with no anti corrosion properties circulating though an Iron block and head. Not a recipe for longevity.

Now you can switch a system over to other types of coolant but it must be flushed VERY WELL. You don't want any of the old coolant hanging around in there if you decide to go that route. Good luck. Glad you caught it early and not when the system consisted of solid clay



As you can tell from the chart below going strictly off of color isn't always a good idea. And this chart is older there are more colors out there now.

05-15-2019 04:56 PM
RedZeeJay
Quote:
Originally Posted by Bmann412 View Post
Thanks for the quick reply. I will take you advice and pick up a couple bottles of coolant flush. Hopefully I can clear it all out. I am sure it is not good to have that stuff in the system.
The owner of the Impala had found this YouTube video which we "loosely" followed a bit... Your mileage may vary with this video, but I'll link it here just in case...


Best of luck!
05-15-2019 04:45 PM
Bmann412
Quote:
Originally Posted by RedZeeJay View Post
In my experience that goopy, clumpy stuff is hard to get out. On the Impala I encountered it on, we ended up flushing the system out a good 6-7 times. Yeah, seems excessive, but that's what we had to do to get the fluid even remotely free of "goopy-ness".

It should be mentioned that we used a radiator / coolant flush product from Prestone and distilled water for the majority of the flushes to save from wasting a ton of coolant.

Just my .02...


Thanks for the quick reply. I will take you advice and pick up a couple bottles of coolant flush. Hopefully I can clear it all out. I am sure it is not good to have that stuff in the system.
05-15-2019 04:04 PM
RedZeeJay
Quote:
Originally Posted by Bmann412 View Post
Not to hijack this thread.but I am having a similar issue with the motor I swapped in to my Jeep. I have flushed the system twice but still end up with brown/ goopy coolant. Should I not be using the green colored coolant? I checked the coolant with a multi meter and it tested fine. It has a new thermostat,heater core,water pump and radiator and all new hoses.
In my experience that goopy, clumpy stuff is hard to get out. On the Impala I encountered it on, we ended up flushing the system out a good 6-7 times. Yeah, seems excessive, but that's what we had to do to get the fluid even remotely free of "goopy-ness".

It should be mentioned that we used a radiator / coolant flush product from Prestone and distilled water for the majority of the flushes to save from wasting a ton of coolant.

Just my .02...
05-15-2019 02:20 PM
Bmann412 Not to hijack this thread.but I am having a similar issue with the motor I swapped in to my Jeep. I have flushed the system twice but still end up with brown/ goopy coolant. Should I not be using the green colored coolant? I checked the coolant with a multi meter and it tested fine. It has a new thermostat,heater core,water pump and radiator and all new hoses.
05-14-2019 11:32 AM
klaxmaster Glad you discovered what it was.

My buddy and I had a similar experience with his mid 2000's impala with dex-cool. He got an oil change and the place topped off his coolant, but used regular ol' green. within 2 weeks, it looked like someone had eaten chipotle and taco bell for a month straight and then unleashed the contents of their bowels straight into his radiator.

And somehow that doesn't sound as bad as having 100% rust water run through your engines cooling system. o.O I'd check your water pump and theromstat, and consider replacing all your hoses.
04-20-2019 11:00 AM
IMMORTEN I appreciate the kind help by the way [emoji106]

The Jeep community is really an amazing group of kind and helpful people compared to many other car communities out there.

I must say; the Jeep community by itself really makes it a pleasure to own a Jeep

Almost makes me not want to any other car brand for the rest of my life


Sent from my iPhone using Tapatalk
04-20-2019 10:55 AM
IMMORTEN Okay wow that was an interesting discovery I just made.....it was ALL rusty water in the system.....not a single drop of coolant in the system at all

Just look at this:


Look at all this rust gathered at the bottom:




I replaced it with the red coolant as it looks like it was previously used on my Jeep


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04-20-2019 08:43 AM
Cutlass327 I'd hazard to guess that someone dumped some sort of stop-leak into it, especially you say they replaced the radiator - stop-leak to get them home, then install the new part.



I will say though, my wife's 06 Liberty has that kind of mess going on, but it is reddish, like the coolant Chrysler put in from factory was getting crusty.



Put some washing soda in there, add water, and run it up to temperature for a while. Drain that, flush it, and refill with fresh good quality red.
04-20-2019 07:54 AM
RedZeeJay
Quote:
Originally Posted by IMMORTEN View Post
I havenít got a clue to honest about what and how much coolant they used.

Thanks for the tip about the voltage, Iíll check that [emoji106]







Thereís a high possibility of that, because they donít sell the Green coolant over here.

https://www.thansen.dk/bil/olie-og-k...d/n-495911436/


They only sell the red, yellow and blue kind, and by the looks of it they have used the red kind because the overflow tank has red coloring all over it.

So this raises my next question; which of the coolants can I use as an alternative to the green kind of coolant?

Red, yellow or blue kind?


Sent from my iPhone using Tapatalk
I'll let someone smarter than me answer on the type of coolant that is best to use in place of the traditional green stuff. I would definitely recommend flushing out the system good.

Just for comparisons sake, here is a photo from an Chevrolet Impala that had Dex-Cool congeal up and create a similar situation. This wasn't my vehicle so I really don't know if they mixed coolants, but that was the story they told me.

Best of luck!Attachment 3819877
04-20-2019 07:53 AM
ScowHound may be corrosion too, but could be a huge dose of "Bahrs Leaks" or whatever they call it these days.
04-20-2019 07:21 AM
V8GCZJ What is in it now? You have rust in the cooling system probably because the previous owner had a leak and he just added water. Do a good flush and put in the red/orange antifreeze(dex cool or better) and you'll be fine.



https://www.hemmings.com/blog/2014/0...of-antifreeze/
04-20-2019 12:54 AM
IMMORTEN
Quote:
Originally Posted by zjosh93 View Post
What kind of anti-freeze/coolant did they use? Looks like corrosion. Might need more coolant.



Might also check to see if you're getting stray voltage in your coolant. Easy to do with a multimeter. Just put the negative lead on the battery negative post and put the positive lead in the coolant. Should be less than 0.3 or 0.5 volts IMS. Any more and you need to fix your engine grounds.


I havenít got a clue to honest about what and how much coolant they used.

Thanks for the tip about the voltage, Iíll check that [emoji106]



Quote:
Originally Posted by RedZeeJay View Post
I've only seen this kind of thing on GM vehicles with Dex-Cool. Either the coolant is left untouched for many, many years or is mixed with regular ethylene glycol (traditional green coolant). I don't think either of these is your issue to be honest.

None the less, at this point I'd perform a coolant flush at the very least.


Thereís a high possibility of that, because they donít sell the Green coolant over here.

https://www.thansen.dk/bil/olie-og-k...d/n-495911436/


They only sell the red, yellow and blue kind, and by the looks of it they have used the red kind because the overflow tank has red coloring all over it.

So this raises my next question; which of the coolants can I use as an alternative to the green kind of coolant?

Red, yellow or blue kind?


Sent from my iPhone using Tapatalk
04-19-2019 05:46 PM
RedZeeJay I've only seen this kind of thing on GM vehicles with Dex-Cool. Either the coolant is left untouched for many, many years or is mixed with regular ethylene glycol (traditional green coolant). I don't think either of these is your issue to be honest.

None the less, at this point I'd perform a coolant flush at the very least.
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