What year is your Patriot?... And yes, HOAT is Orange.

 

I used Zerex G-05 in our 2010, the color is so light it's hard to see but looks yellow orange.

https://www.valvoline.com/our-products/antifreeze-products/g-05-antifreeze-coolant

 

Its a 2014 as my profile says.

My Mercedes takes the Zerex G-05 however the guys at the stores and their computers said it was not compatible.

Looking on the site I cannot see where it states it conforms to the MS-12106 spec.
https://sharena21.springcm.com/Publ...18452/f93a8057-fe75-e711-9c10-ac162d889bd3/c264d227-0dbd-e711-9c12-ac162d889bd1

 

Croat, according to the 2014 service manual I have the correct coolant is actually OAT:

====================
Cooling System
(1)
Engine
Coolant (2.0L
and 2.4L
Engines)
MOPAR®
Antifreeze/Coolant
10 Year/150, 000
Mile Formula OAT
(Organic Additive
Technology) meeting
the requirements of
Chrysler Material
Standard MS-12106
======================

Prestone's Dex-Cool is supposed to meet that standard according to this.

https://shop.advanceautoparts.com/p...ex-cool-50-50-prediluted-extended-life-antifreeze-coolant-1-gal-af850/7020008-P

"Prestone DEX-COOL meets or exceeds ASTM D3306 and SAE standards for corrosion protection and meets GMW3420 (GM 6277M), Ford WSS-M97B44-D and property and performance specification requirements of Chrysler MS12106 (MS-7170 & MS-9769)"

 

I'm going to go a step further and say that if you don't KNOW what's in there already, you should flush and fill with new so that you do know what's in there.

IAT vs. HOAT vs. OAT is purely a matter of compatibility, not protection or performance. It's worth noting however, that industrial organic chemistry is a big, money making field so the technology it produces tends to be pretty reliable ("organic" in this context means elemental carbon based molecules, not tree bark and coconut oil).

Green antifreeze used to have alumina corrosion inhibitors, since aluminum is more reactive than iron, the alumina in the coolant solution would oxidize instead of the iron engine components. As aluminum engines became more common, the alumina in the coolant wasn't sufficient to prevent corrosion.

The orange/red/yellow coolants were introduced containing sodium or potassium corrosion inhibitors, since both of those are more reactive than aluminum. Anymore you'd be hard pressed to find an automotive coolant of any color containing alumina corrosion inhibitors, so color doesn't matter.

Regarding the service life of the fluid, I don't recommend following the 10 year interval. As I get more familiar with the Patriot, it's becoming more and more clear that the service intervals are designed to do the minimum maintenance in order to survive a reasonable product life cycle. It's NOT sufficient to maintain the vehicle in perpetuity. Changing the coolant more than every two years is probably wasteful, but more than 5 and you're accepting a consistent level of system degradation as normal.

 

I'll back you up a step and let you know that I do know whats already in it - its the roughly 4 year old OEM coolant from the factory I don't need a flush, I need to add coolant!

I just want to top off and find out where I lost a tankful of coolant in the past year.

 

Gotcha. Being that new (and presumably under warranty), I'd just top off with some DI water and let the shop handle it at the next service.:wink2:

 

At five years, my Patriot will get an over-haul with fluid replacements and upgraded mechanical and electrical components.

 

I don't bring it to the shop, I am the shop

The problem is when these damn vehicle manufactures/engineers spec non standard parts/fluids/etc where its not clear on the brand/type/etc to get. Why cant it be like the good old days - coolant for example - everything used standard spec green ethylene glycol coolant and now there is a rainbow of choices with huge consequences for choosing the wrong color!

I'll keep this open in hopes someone can definitively state which coolant to use. I will research when I have time - just thought someone knew here. Worse case I'll go to the dealer and buy the overpriced Mopar coolant at my inconvenience. :x

 

Or just email Zerex, Prestone, etc. and see what they say.

 

Looking and searching even on this forum disappoints me.
Here is a thread about a year ago, no answer and the thread died.
http://www.jeeppatriot.com/forum/15-engine-drivetrain/320842-confused-2014-cooolant.html

Confusion here, ended up at the dealer.
http://www.jeeppatriot.com/forum/15-engine-drivetrain/293561-2014-jeep-patriot-what-coolant.html

https://www.jeep.com/download/pdf/manuals/2014-Patriot-OM-3rd.pdf

CAUTION!
•
Mixing of engine coolant (antifreeze) other than
specified Organic Additive Technology (OAT) en-
gine coolant (antifreeze), may result in engine
damage and may decrease corrosion protection.
Organic Additive Technology (OAT) engine cool-
ant is different and should not be mixed with
Hybrid Organic Additive Technology (HOAT) en-
gine coolant (antifreeze) or any “globally compat-
ible” coolant (antifreeze). If a non-OAT engine
coolant (antifreeze) is introduced into the cooling
system in an emergency, the cooling system will
need to be drained, flushed, and refilled with fresh
OAT coolant (conforming to MS-12106), by an
authorized dealer as soon as possible.

So stating the manual and looked again today its OAT (not HOAT) coolant that is needed in the newer Patriots like mine.
Still looking to see if there is a aftermarket version.

Adding Coolant
Your vehicle has been built with an improved engine
coolant (OAT coolant conforming to MS-12106) that allows
extended maintenance intervals. This engine coolant (anti-
freeze) can be used up to ten years or 150,000 miles
(240,000 km) before replacement. To prevent reducing this
extended maintenance period, it is important that you use
the same engine coolant (OAT coolant conforming to
MS-12106) throughout the life of your vehicle.
Please review these recommendations for using Organic
Additive Technology (OAT) engine coolant (antifreeze)
that meets the requirements of Chrysler Material Stan-
dard MS-12106. When adding engine coolant (antifreeze):
•
We recommend using MOPAR® Antifreeze/Coolant
10 Year/150,000 Mile Formula OAT (Organic Additive
Technology) that meets the requirements of Chrysler
Material Standard MS-12106.
•
Mix a minimum solution of 50% OAT engine coolant
that meets the requirements of Chrysler Material Stan-
dard MS-12106 and distilled water. Use higher concen-
trations (not to exceed 70%) if temperatures below
−34° F (−37° C) are anticipated.
•
Use only high purity water such as distilled or deion-
ized water when mixing the water/engine coolant
(antifreeze) solution. The use of lower quality water
will reduce the amount of corrosion protection in the
engine cooling system.

 

Regarding the new OAT 10 year coolant, the original FCA product spec. of MS-90032 was changed to the current MS-12106. It tends to be purple out of the container but can turn somewhat pink in use:
https://www.dealers-mopar.com/resources/pdf/chemical/chemical-catalog.pdf
http://www.moparinternational.com/assets/maintenance/english/pdf/Cross_Reference_Guide_19Dec2014.pdf

If you Google the FCA material standard MS-12106, these companies claim compatibility:
http://www.oemantifreeze.com/wp-content/uploads/2016/10/OEM-Extended-Life-Orange.pdf
https://sharena21.springcm.com/Publ...18452/a43a8057-fe75-e711-9c10-ac162d889bd3/5a76d5fc-0cbd-e711-9c12-ac162d889bd1
http://service-pro.com/wp-content/uploads/2016/01/SP-AntiOrangespecSheet-1.pdf
http://www.prestonegear.com/downloads/2018 Product Catalog 5x8.5_PA17770.pdf

Unlike the Mopar product (10 year/150,000 miles), these substitutes recommend 5 years or 150,000 miles.

I think it depends on your personal disposition and risk taking attitude. Saving $4 a bottle is not enough for me to try one of the aftermarket products. And, if I did change, I would feel compelled to do a very complete clear water flush before introducing a different brand. My opinion is that with today's new coolant technology, I am going to just do a radiator drain and refill every 5 years or so (partial change) and forget about the complete flush of "the good old days". I simply don't see the radiator deposits that we used to see with the old green. My purple coolant at age 5 looks pristine and I see zero deposits under the cap. pH is good, as is the freeze level checked with my refractometer. Just my opinion.

If you look at my response in one of your above links, you will see that it is not uncommon for the coolant level to drop a quart over a five year period. I could have just topped off with distilled water because my refractometer showed the OEM coolant at 55% coolant.

Your link shows $19 delivered, maybe $4-$5 more than the aftermarket. In my area, dealer prices are finally dropping and I found the concentrate for about $22. Prices were insane the first few years.

 

The Mopar OAT is basically a Dex-Clone (very similar if not identical to Dex-Cool), while the older HOAT Mopar Coolant was basically re-badged Zerex G-05. Either coolant should work fine for a complete flush (the OAT coolant being silicate free may extend water-pump life compared to the low-Silicate G-05) but they must not be mixed (it will lead to a sludgy mess) so for a 2014 Patriot, Mopar OAT or one of the compatible products (various Dex-Cool compatible products) would be the correct coolant to add. If you are still under warranty you may want to stick to the Mopar OAT coolant until the warranty expires.

I'll echo other's recommendations of changing it at 5 years most similar OAT products GM Dex-Cool and Ford's new(er) OAT coolant that is also a Dex-Clone recommend 5 years not 10 like Mopar and going beyond 5 years will likely lead to degradation of the coolant's additive package and potential for cooling system corrosion and pre-mature failure of the water-pump.

 

Noticed the reservoir was at the low mark yesterday - which goes in line with a long time faint smell of coolant in the garage after driving (which will look into as well). Went to a couple of major auto stores and no one had the correct HOAT coolant for our Patriot.

Looking at old threads the only recommendation was the Mopar coolant (which I am still not certain is the right one) and the listings online are pretty generic.

https://www.ebay.com/itm/Engine-Coolant-Antifreeze-MOPAR-68163848AB/273029979411?ssPageName=STRK:MEBIDX:IT&_trksid=p2055119.m1438.l2649

Any insight as well as major brands that make the right one for the Patriot?
If I am correct I believe its an orange coolant right?

Thanks

One thing I learned. Long time ago is whatever you do never mix the orange and green coolant. It creates a chalky sludge that clogged up your cooking system and creates a mess. But my Jeep Patriot definitely uses the red/orange coolant. I'm not sure the brand name really matters but the orange/red is way superior to the green. The orange last up to 5 yrs. I'm not 100% sure about the life of the green but know it's way less then the 5 years.

 

My 2015 Jeep Patriot service manual says to use OAT (Orange) coolant, that is compatible with Fiat Chrysler MS-12106 standards. It also says not to use HOAT, or other types of coolant. Other than Mopar, here is one aftermarket brand that is compatible ZEREX™ American Vehicle 50/50 Prediluted Ready-to-Use : Product Catalog - Valvoline™.

 

OAT coolant is not necessarily orange colored, as demonstrated by FCA's choice to make theirs purple. Many Dex Cool products now list the MS-12106 specification, which maybe confirms discussions starting a few years ago that the MOPAR product was indeed a Dex Cool type coolant. My opinion is to make sure that the one you choose to use does not have 2EHA like the MOPAR product does not, just to practice "an abundance of caution" (popular phrase nowadays). 2EHA is probably not a problem anymore like the old GM debacle days, but once burned...........

Wishing everyone a great weekend. Get out an enjoy the last nice autumn days!