Quote:
Originally Posted by george
Why did they put in 5w/30 instead of 0w/40? I'm doing an oil change next week and I'll film the change for you after I get it warmed up.
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I believe that’s what the 2018 MY came with from the factory for some stupid reason, and I read somewhere that with warranty repairs that is the only oil that GM will reimburse dealers for.
That would be greatly appreciated!