Gold Flakes in Oil and Age of Motor?

[maytag]

Gold flakes in the motor (if metallic) are typically from your bearing shells. "Sparkles" I'd consider normal-ish, depending on the mileage of the motor. But flakes I think I'd be more concerned about. Especially if they keep coming.

Any chance they're silica, not metallic? 0.5mm is not much to tell from. If they're flattened like flakes, they're almost certainly metallic.


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[piper6909]

Originally Posted by maytag

Gold flakes in the motor (if metallic) are typically from your bearing shells. "Sparkles" I'd consider normal-ish, depending on the mileage of the motor. But flakes I think I'd be more concerned about. Especially if they keep coming.

Any chance they're silica, not metallic? 0.5mm is not much to tell from. If they're flattened like flakes, they're almost certainly metallic.


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Thank you. I doubt they are silica. They were quite shiny under the light. So, yes, I'm fearing the worst.

I'm not sure which I'd consider them, sparkles or flakes. The car has 93K on it, but at some point the motor was replaced. I'm just wondering what's in there that has a gold/brass color. I'm guessing it could be from the bearings. If so, I'll have to decide whether it's worth having the motor rebuilt or keep driving it until it blows up and then put in another motor.