2010-2013 Mazda 3 Engine and Performance
I've been wanting to change the transmission fluid on my 2012 Mazda 3 Skyactiv MT as I've read that the higher quality fluid makes shifting much more smoother.
However, while the owners manual says to use 75w80 GL-4 fluid, I can only find 75w90, 75W-85, or 70W-80 fluids.
My question is, are...