Silver metal shavings in transmission fluid
 

Hi all,

I just did my first transmission fluid at 25k mile yesterday. The drain plug had some bright silver metallic shavings/flakes, no larger than a few millimeters, in addition to some black sludge, is this normal for a factory fill? The transmission felt fine but feels smoother even now with a new fill of motul 300.

I have a lot of mechanical sympathy but track the car, which is why I changed the fluids at all.

A few mm is huge in a trans.
A metallic coloration to the fluid is normal.
Save the partials on a clean cloth and take a picture.

I would think some shavings are normal during the break-in period but I'm not too sure about the sludge. If the transmission feels fine I say you shouldn't worry about it too much.

Thanks for the response. I sillily did not think much of it at the time and did not take pictures. Imagine if you snip the very ends of a paper staple off. There was maybe half a dozen of such chunks at 1mm or 2mm.

I don't suppose Subaru will give me a new tranmission based on this information alone...

Nope they want proof...

Sent from my GM1915 using Tapatalk

Why would they give you another transmission if their is nothing wrong with the one you have?

What you are seeing is just a few rough edges ground off of a few gears.

See how smooth it runs now - :thumbsup:

Seriously, I wouldn't worry about.

Humfrz, stopping nerds from tweaking on miata dot net since 2006