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Message Subject: Lower Unit Gear Lube - amount of lube?

backdraft

Posted 12/7/2013 9:01 PM (#677797)
Subject: Lower Unit Gear Lube - amount of lube?

Posts: 241

I opened up the drain plugs on my 40hp Mercury Thursday day and let it drain. The boat is in my garage but still, it was mighty cold here in Wisconsin.

It filled it today, but it was odd. It didn't take the 14oz or so which is the capacity.
Could it be that it didn't fully drain because of the cold ?

I filled from the bottom and kept pumping until lube started coming out of the top.

Just one of those hhhmm moments.

Any ideas?

Backdraft

5th lake Brad

Posted 12/7/2013 9:29 PM (#677801 - in reply to #677797)
Subject: RE: Lower Unit Gear Lube - amount of lube?

Posts: 537

Location: Gilberts IL/Rhinelander WI

I pump some new oil in the top, until I see it come out the bottom. Then fill it up from the bottom. No one ever told me to do this , I just thought it could push out any contaniments.

horsehunter

Posted 12/7/2013 9:30 PM (#677802 - in reply to #677797)
Subject: Re: Lower Unit Gear Lube - amount of lube?

Location: Eastern Ontario

If no water or milky oil came out when you drained it you should be good

BruceKY

Posted 12/8/2013 8:23 AM (#677833 - in reply to #677797)
Subject: RE: Lower Unit Gear Lube - amount of lube?

Posts: 392

Location: KY

Sounds like you did it right. Was the motor straight up and down. Maybe there was air trapped.

bob1

Posted 12/14/2013 1:19 PM (#679010 - in reply to #677797)
Subject: Re: Lower Unit Gear Lube - amount of lube?

Posts: 228

You did it the right way!

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