I still have some A3 blue left, as I use it for my Honda Odyssey. With another ready-to-use formula, Prestone’s DEX-COOL is ideal for a small top-up or a complete drain and refill of the cooling system. Prestone’s GM Vehicles DEX-COOL antifreeze extends the life of your vehicle by 150,000 miles or 5 years. Is there an advantage to using a newer chemistry coolant (for example the A3, which is recommended for the newer Nissans), and could this possibly extend my service interval if I were to do a complete flush and refill, making sure to fully rid the system of the old stuff? Best for GM-Approved VehiclesPrestone DEX-COOL Antifreeze/Coolant. But not all cars can use the same engine coolant, and it’s extremely important to make sure your. Pentofrost A2 is the appropriate coolant, but what is the difference between the red A1 (pre-2004 Toyota/Lexus/Scion), green A2 (Nissan, Kia, bunch of Japanese makes), blue A3 (Honda, 2009+ Subaru & Nissan) and the pink A4 (2004+ Toyota)? All claim to be a phosphated-OAT (P-HOAT) so the chemistry ought to be similar. The fluid in your cooling system, commonly called antifreeze or engine coolant, is meant to protect your engine from freezing as well as promote the best heat transfer from engine components to the fluid so it can be dispersed into the atmosphere. That said, my research seems to indicate that Nissan used a green long-life coolant in these years, and recommends a 4 year / 60k mile service. Can get concentrate shipped to my door for not much more than a couple gallons of diluted stuff from the store. I use Pentofrost antifreeze in all my vehicles- have had good luck with it, and there's a Pentofrost product to fit nearly every application. I'm about to embark on the 250k service for my '96 Nissan Maxima and part of that service will include a coolant flush.
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