Originally Posted by BISCUT
Sooo Pentafrost 3 is a rough find by me. Moving on I was told by Auto Zone that Peak Asian is replacing the Pentafrost 3 they use to carry. Is this a ok for 17 Subaru or should i stick with Subaru coolant?
You can go to a Napa store, and they will order Pentofrost A3 for you. Most every independent Subaru repair shop I have heard of uses Pentofrost A2 green in older Subies, and A3 in newer Subies.
As I had stated earlier in this thread, your coolant is good for 10 years for the initial fill I believe. Its long life coolant. I only flushed my Subaru last year when it turned 10 years old. I think all Asian vehicles now have 10 year long life coolant as initial fill from factory. Second fill I believe the maintenance schedule cuts it to 5 or 6 years. That's the real reason they changed the color to blue, identification. Pentofrost A2 green and A3 blue are chemically exactly the same, only difference is A2 is 100%, and A3 is 50% prediluted ready to pour.