Lower Unit Oil

[Bayou Dave]

I just changed the lower unit oil. Other than the oil being really dark there is a dirt colored substance. When I pulled the top screw there was a minor amount of metal shavings. The lower screw had no metal shavings on it. Looking for opinions on the dirt colored substance. Problem? No problem?
Thanks... Dave

 

[racerone]

Normally it is the bottom screw with the magnet that has the fine shavings.-------Pictures of the shavings ?----Fine shavings are normal chunks are not.-----Have the gearcase pressure tested.----Fill it with a top quality factory recommended oil too.

 

[Bayou Dave]

Normally it is the bottom screw with the magnet that has the fine shavings.-------Pictures of the shavings ?----Fine shavings are normal chunks are not.-----Have the gearcase pressure tested.----Fill it with a top quality factory recommended oil too.

Both of the screws were magnetic. I did refill it with OEM oil. Too late for photos of the shavings. I already cleaned off the screw. The minimal shavings I found on the top screw were very fine. I did not find any shavings in the container that I drained the old into.

 

[F_R]

That's one reason you are changing the oil--to get rid of the wear particles. Normal stuff is like soggy dust.

 

[Bayou Dave]

That's one reason you are changing the oil--to get rid of the wear particles. Normal stuff is like soggy dust.

Good to hear that the "soggy dust" is normal.