10W-40 full synthetic Mobil 1 fixed that on my 05 Rio with the B6 Mazda engine. The sound goes away shortly after an oil change and it stays away for about 2 or 3,000 mi until the oil breaks down and it starts to make the noise again.
I’ve have always used higher quality oil like liqui-moly (0w-20 till 60k kms)
I might add use the best oil you can find - this will keep your PCV system spotless and other good things. I always use oil to the severe service Volvo spec listed in the owners manual. I now am pretty exclusive to the LiquiMoly line. I insist on 3rd party certification
Liqui moly for me runs about 4-5 degrees lower than OEM for my GTI. not sure if the same temp diff exists for the R but I did some reading on this. Perfectly normal.
selber fahr ich nur auf Liqui Moly
Bin da Markenopfer.
Auch was additive angeht.
Nur Liqui Moly
I run 10w60 liquimoly gt1 full synthetic. Engine build 2019 till now no issues regular oil changes
Pick one oil and run it for life preferably liqui moly , I hear these particular engines need one oil for life , drive her hard sometimes should be fine
I run 5w30 liquimoly molygen since i tow a lot on my 2019 5.3
Oil pressures are happy and so far so good.
Im using Mobil 1 ESP 0w-30 which is a thicker Euro oil here in Upper Midwest USA. I don't notice any difference is sound, acceleration, not efficiency vs 0w-16 and 9w-20 in a 2024 Rav4 Prime XSE.
Yea mobile 1 is among the bottom end of full synthetics. Even the Walmart cheapest supertech and valvoline will slightly beat mobile 1 in reducing metal wearing.
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