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Dec 30th, 2023
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 Water in lower unit oil
#707033
07/30/06 02:15 AM
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Joined: Mar 2006
Posts: 117
kj3800
OP
Outdoorsman
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OP
Outdoorsman
Joined: Mar 2006
Posts: 117 |
Changed my lower unit oil today (2003 115 Optimax). I noticed a little water in the old oil. Doesn't seem to be a lot. Is this bad news or normal. I went ahead and changed the oil & I'm planning on going fishing tomorrow. Is this a bad idea? Any advice appreciated. 
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Re: Water in lower unit oil
#707034
07/30/06 03:49 AM
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Joined: Jan 2005
Posts: 21,614
Pat Goff
TFF Guru
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TFF Guru
Joined: Jan 2005
Posts: 21,614 |
Bad news.
Do not run it with a bad lower unit seal, the water pressure will force the lube out, replaced by water, and your lower unit is a gonner.
Pat Goff Seadrift TX ![[Linked Image]](https://i.ibb.co/X48Kbbq/scooter-shallow.jpg)
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Re: Water in lower unit oil
#707035
07/30/06 05:42 AM
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Joined: Jun 2005
Posts: 553
RRaider
Pro Angler
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Pro Angler
Joined: Jun 2005
Posts: 553 |
How much is a little water? It could be condensation.
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Re: Water in lower unit oil
#707036
07/30/06 10:21 AM
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Joined: Jun 2001
Posts: 919
Bernie Lee
Pro Angler
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Pro Angler
Joined: Jun 2001
Posts: 919 |
Do what Pat said!!!!!!!!!
Bernie
Bernie Lee
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Re: Water in lower unit oil
#707037
07/30/06 12:12 PM
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Joined: Mar 2006
Posts: 117
kj3800
OP
Outdoorsman
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OP
Outdoorsman
Joined: Mar 2006
Posts: 117 |
Thanks guys. I'll wait until I get it checked out before going out again. Any idea what it cost for that seal to be replaced?
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Re: Water in lower unit oil
#707038
07/30/06 01:26 PM
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Joined: Jan 2005
Posts: 21,614
Pat Goff
TFF Guru
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TFF Guru
Joined: Jan 2005
Posts: 21,614 |
No way to diagnose which seal is bad over the internet. Could be a prop shaft seal, could be as simple as the gasket on the vent or fill screw. You should pressure test it to determine where the breach is.
Pat Goff Seadrift TX
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Re: Water in lower unit oil
#707039
07/30/06 01:27 PM
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Joined: Mar 2006
Posts: 117
kj3800
OP
Outdoorsman
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OP
Outdoorsman
Joined: Mar 2006
Posts: 117 |
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