Input needed on coolant

[Dunkut88TJ]

Through much research on here I know my 06 needs HOAT. Yesterday I started swapping some items out on the coolant system and I have green coolant (see below). I’m pretty sure this is standard coolant, I’ve never had any issues with my cooling system-until my water pump weeped. Question is this, can I put green back in there for now, as it is what I purchased, and then just do a coolant flush a bit down the road?

I know HOAT is the recommendation on my Jeep. I just don’t believe I have the energy or drive to flush this bad thing out today.

 

[RobertJ]

If it was me, I'd flush it now while you're working on it and put whatever coolant you want back in it.

 

[Goatman]

Yes. The problem comes when you start mixing different coolant types in the system. If you currently are running the green stuff you can either keep with it, or do an extensive flushing to get it ALL out and switch to whatever color matches your eyes.

 

[TheBoogieman]

I use the green stuff (Prestone All makes and models) on all of my Jeeps. It makes no difference if you change it every few years.

 

[pcoplin]

The green will be just fine if it's already in it.

 

[Jerry Bransford]

The problem is that just because an unknown coolant has a particular color doesn't mean that a new coolant with the same coolant is compatible. Coolant manufacturers have not set standardized colors for coolant types to indicate what type it is, they dye them to suit their own desires. You're safest to completely flush all the old coolant out and then refill it with a known good quality HOAT like Zerex G-05.

If you buy the concentrate version, make sure to only use distilled water available in all grocery stores to dilute it down to the recommended 50-50 ratio.

 

[dbbd1]

And, as an aside, I'd change the thermostat while I was in there.


Just sayin'

 

[JKP]

I would flush it no matter what you intend to put back in as you don't know what was in there.

X2 on replacing the thermostat while it's apart.

 

[Dunkut88TJ]

And, as an aside, I'd change the thermostat while I was in there.


Just sayin'

Changed the thermostat!

 

[Mr. Bills]

Through much research on here I know my 06 needs HOAT. Yesterday I started swapping some items out on the coolant system and I have green coolant (see below). I’m pretty sure this is standard coolant, I’ve never had any issues with my cooling system-until my water pump weeped. Question is this, can I put green back in there for now, as it is what I purchased, and then just do a coolant flush a bit down the road?

Yes, you can. "Standard green" and HOAT coolant are both ethylene glycol coolants. You won't get the same additive package, but it won't hurt a thing. However, one must flush standard green ethylene glycol coolant more frequently than a "long life" HOAT coolant, typically no longer than three years.

 

[Dunkut88TJ]

Yes, you can. "Standard green" and HOAT coolant are both ethylene glycol coolants. You won't get the same additive package, but it won't hurt a thing. However, one must flush standard green ethylene glycol coolant more frequently than a "long life" HOAT coolant, typically no longer than three years.

So many conflicting views, thank you!

I added more standard green for now, I plan to flush it out at a later date or have the shop do it when I have some more items worked on in a few weeks

 

[Jerry Bransford]

I added more standard green for now

Since the coolant industry has not standardized among itself on colors for coolant types, what exactly is a "standard green"? The days of being able to tell a coolant type by its color are long gone.

Here's a quote from Prestone... "These days, there’s no real reason for a coolant manufacturer to use a certain colour, so it’s not easy for you to know what chemicals are in the coolant just by seeing whether it’s blue, green, yellow or orange."

https://www.holtsauto.com/prestone/...In days gone by, the,blue or green in colour.

 

[Mr. Bills]

I added more standard green for now. . .

I would wager that the sky didn't fall.

 

[Dunkut88TJ]

The sky hasn’t not fallen, I should have flushed it out and it’ll be a lesson learned. Hopefully it doesn’t cost me any more than some more time and energy in a few weeks.

I got everything reassembled, thermostat is working, system is burped, and it seems to be running well. No leaks that I see but time will tell!

 

[Mr. Bills]

The sky hasn’t not fallen, I should have flushed it out and it’ll be a lesson learned. Hopefully it doesn’t cost me any more than some more time and energy in a few weeks.

It won't.

BTW, if you want to stick with a green coolant and want HOAT, one option is Nissan 999MP-AF000P Green L248SP Engine Coolant.

It is a green HOAT ethylene glycol coolant, just like Zerex GO5, but it is a deep green color rather than the slightly iridescent green of conventional ethylene glycol coolant - the coolant you just drained and replaced. It only costs a dollar or two more than Zerex with my discount at the local Nissan dealership.

I use it in all of my vehicles that call for HOAT ethylene glycol coolant for three reasons: (1) I only need to keep one coolant on the shelf for multiple vehicles; (2) I am used to coolant being green and easily recognizable as coolant in the event of a leak; and (3) in the event I have a problem on the road or on the trail I know I can buy ordinary conventional green ethylene glycol coolant at any auto parts or convenience store and mix it with my HOAT ethylene glycol coolant with no adverse effect other than I will dilute the long life anti-corrosion additive package of the HOAT coolant.*


__________________________
* Actually, there is a fourth reason. I own a Nissan Xterra, which calls for HOAT coolant, and this is the HOAT coolant poured in at the factory when it was built.

 

[Dunkut88TJ]

It won't.

BTW, if you want to stick with a green coolant and want HOAT, one option is Nissan 999MP-AF000P Green L248SP Engine Coolant.

View attachment 214657


It is a green HOAT ethylene glycol coolant, just like Zerex GO5, but it is a deep green color rather than the slightly iridescent green of conventional ethylene glycol coolant - the coolant you just drained and replaced. It only costs a dollar or two more than Zerex with my discount at the local Nissan dealership.

I use it in all of my vehicles that call for HOAT ethylene glycol coolant for three reasons: (1) I only need to keep one coolant on the shelf for multiple vehicles; (2) I am used to coolant being green and easily recognizable as coolant in the event of a leak; and (3) in the event I have a problem on the road or on the trail I know I can buy ordinary conventional green ethylene glycol coolant at any auto parts or convenience store and mix it with my HOAT ethylene glycol coolant with no adverse effect other than I will dilute the long life anti-corrosion additive package of the HOAT coolant.*


__________________________
* Actually, there is a fourth reason. I own a Nissan Xterra, which calls for HOAT coolant, and this is the HOAT coolant poured in at the factory when it was built.

Thanks, great info to know!