Engine oil OEM Toyota or OEM Mazda
It’s a fact that frequent oil changes are better than not. Anyone Toyota Master (NOT tech) will tell you every 5k and for good reason. Want to go by the manual and do every 10k? Go for it, but that’s insane. If you want your car to last as long as possible, change every 5k.
I’ll be doing my first one at 1000 miles, then I’ll be doing them every 5000 miles or 6 months.
After reading several posts I got the Mazda Molly and Personally really like it! With the Molly it seems to run much quieter not such a heavy tick and just overall feels better’
I found a dealership that sells the Toyota oem at 5.90 a quart so that’s what I use. It’s made by Mobil 1 but has certain additives added specifically for Toyota specifications that regular Mobil 1 doesn’t have. Technically it’s what the 4Runner will run best with.
Toyota synthetic. I was going to do Mobile 1 but noticed a few claims of people using both saying it shifted a little more smoothly with the Toyota oil
I change my oil at dealer every 10k miles. This time I am going to pay $299 for a package of 5 oil changes, with tire rotations, filter and all liquids fililled up if necessary.
I run 5w-40 in everything. Mazda Skyactiv, Toyota 3UR, Honda J35. They all like it and run quiet.
I bought a Mazda CX-5 dealer test car with 300 Km's on it back in 2015 when I moved up to Osaka. I drive a LOT and was getting the oil changed roughly every 5000 km's per Mazda's recommendation.
For the record, this is NOT the exact replacement to Mazda 0W-20 GF-5 with Moly - Synthetic Engine Oil.
While this has high molybdenum, it's still a different formula from Mazda's own proprietary blend.
I encountered something similar when I took my CE Turbo in for service a few weeks ago. The invoice said 0W20 and when I asked the service manual why they used the wrong oil they told me “oh our technicians know what oil to use, ignore that.” Needless to say I have zero confidence that the correct oil was used.
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