The good news is for our 2013 up Mopars, we're lucky in that the engineers saw fit to develop vehicles that did not need these extra additives in the glycol base. Obviously you'd be depleting yourself of these additives if you had an Asian or European make vehicle but that's their problem to solve. If the formulation is truly ethylene glycol devoid of silicates, phosphates, etc it would mix with everything because there are few of the additives that you'd need in HOAT, SiOAT, PhOAT formulas. ![]() The claim is that it is compatible for use in all makes and models, cars, light trucks, etc. One thing that encourages me that it may be a viable alternative is the label claim does not contradict itself like some other ones I've read. Zerex American Vehicle Antifreeze/Coolant is proven to maximize engine life in American vehicles such as Ford, Chrysler and General Motors that specify an orange extended life formula with Organic Acid Technology (OAT). I don't know if I'd use this in any of my new vehicles but for sport and project fun applications it might be worth a try. Zerex from Valvoline is the 1 selling OE-approved coolant brand. And now, we also have a new color to consider - its Yellow. The part number is AXA0B3, is a concentrate (100%) and is the low price leader at $12.99. Zerex G05 Phosphate Free Antifreeze / Coolant 50/50 Ready-to-Use 1 GA. Definitely a typical supplier quality issue that one could expect to see.įor those that are adventurous enough to want to try this as an alternative, Autozone has an OAT coolant that according to the label is silicate and phosphate free (which is what matters as far as the formulation goes if this can be trusted). Zerex G40 Phosphate and Nitrite Free Antifreeze/Coolant 50/50 Prediluted Ready-to-Use 1 GA. I would think that in other cases the manufacturer was sourcing different fluid colors from different (or even the same) vendors. Given that the coolant is supposed to last 3-5 years maybe some of these vehicles had prematurely changed out the coolant resulting in the color change. Obviously the videos of the older vehicles (2014 - 2016) were 2-5 years old making them 1-4 years old at the time the owners were performing the t-stat swaps. Only the newest of the new had purple coolant. I noticed that in more than half of these procedures the color of the coolant coming out of the vehicles was orange to red. I can't tell you how many YouTube videos I finished watching (30-40) where people were changing their thermostats in original cars with factory installed coolant (researching for another reason, not coolant color). I think that the confusion stems from color (dye) changes in the factory OAT that may have prevailed beyond 2013. ![]() I usually go every two years, but that's overkill.Click to expand.I'm certainly not questioning your observations on this and know that the OAT formula was required from 2013 on. It's far more important to change the coolant regularly. Wouldn't shock me if they all come from the same vats. Peak and some other brands sell similar formulas. Chrysler only admonishes not to introduce HOAT into their OAT cars in the owners manuals Ive read. The one disadvantage to this stuff is that it's dyed pale yellow, so sometimes it's hard to see in overflow tanks. Get the premix, or mix 50/50 with distilled water (don't use tap water). Silicate-free, compatible with any chemistry. used in motorcycle engines are exactly the same as used in car engines. I'm really curious where the common idea came from that car engines are not made of aluminum, or that motorcycle engines are made from some sort of exotic mysterious Ming Metal never seen in lesser four-wheeled vehicles.Īny antifreeze is compatible with aluminum engines because pretty much every engine since, oh, the 1940s or 50s or so contains lots of aluminum.
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