1st Service Confussion

mattus2020

Member
:
2010 CX-9,GT,AWD
Hi,

Recently got done the first service at 7500, changed oil to synthetic.
Every now and then I notice the engine sound is more like it's on battery/moan/whirl when maintaining 60mph speed. When I accelerate it goes again to the regular rev
I havent noticed it at lower speeds.

Any thoughts?

I'll record it if I hear it again
 
Never had a problem like that, but if you ask your service department, they will tell you that you have to put regular oil, not synthetic. I used to put synthetic, now I just use regular, it's cheaper and if the engine does not recommend or require it, you are better off. Trust me, I've done tons of research on this. Not saying that is what is causing your sound though, just saying that the service department will automatically go to that.
 
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