Lower Unit Installation

dawson515

Seaman
Joined
Mar 24, 2009
Messages
61
I have an 2.3 OMC Cobra Outdrive and I got a new lower unit to put on it. I thought I put it back together correctly, but when I took it to the lake I had a few problems.

1. There was no reverse, it would make a grinding noise but it would not go into reverse.

2. After running the boat for a little while, it started to overheat and then when I got it out of the water I noticed that there was water in the gear oil.


I have not taken the lower unit back off yet, but here is what i think.

First, I think that i probably did not hhok the water line back up correctly and then that caused the overheating and also caused water to get into the gear oil.

And for the slipping of reverse I am sure I did not install the lower unit on correctly.

Any suggestions?
 

zbnutcase

Commander
Joined
Sep 19, 2009
Messages
2,055
Re: Lower Unit Installation

Just where did you get a "new" lower unit for it from? That unit has been obsolete for 20 yrs now. Did you set the shift rod height correctly? Shift cable good and adjusted properly?
 

dawson515

Seaman
Joined
Mar 24, 2009
Messages
61
Re: Lower Unit Installation

I bought a remanufactured one for it, so its not brand new. And as far as the shift rod, I did not adjust it any, so that is probably the problem there.
 
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