Re: [OMC-Boats] She pumps water!

Bill,

I've had the same problem with three stern drives now, that big black ring leaks. It doesn't effect much, when you're up on plane you'll hear a little more exhaust, but hey, Buick v-6's sound good! The only other side effect if you don't clean the stern of your boat, you'll accumulate a "scum/exhaust" line at the water level. I didn't want to pay the $48 I was quoted just for the ring so I didn't worry about it. You won't hear it at idle, it's just some exhaust escaping before it goes underwater.

Regarding the oil change, mine was the same way. A whole quart for the lower, and not very much in the upper. I have a four bolt drive like you, but I have TWO plugs on the side of the upper, plus the top cap filler. I pumped it in until oil came out the upper side plug (not the top fill plug). It seemed odd but it wouldn't take any more, and my guess was unless you waited for days drailing the old stuff or pumped it out, you'll never fully get all the old stuff out.

Actually from what I've been told by boat shops, they only use Type C in the lower now even for electric, and run 90wt. in the upper. I think when OMC switched to mechanical shift, they were still using the same upper cases and just ran 90wt in all of them. I had to buy two quarts of "C" anyway, so I just followed the old instructions and put C in both.

~Scott
 

Date: Wed, 15 Jul 2009 07:04:50 -0700
From: bldfw@...
To: omc-boats@...
Subject: [OMC-Boats] She pumps water!

FINALLY...... I finished putting my outdrive back together after replacing most of the seals and now she's pumping water pretty strongly. I replaced the intake hoses with clear plastic ones so I could monitor them regularly.

Couple of questions:

The exhaust black plastic/rubber ring seal between the exhaust housing and the lower unit doesn't appear to be very well. Dirty exhaust water is bubbling up and out around the ring. Is that a problem? I wouldn't think so since that's likely under water most of the time anyway but thought I'd ask to be sure. A new ring is a whopping $38.00

Also, maybe it's only because it's out of the water but the outdrive sure seems noisy to me. Like a loud whirring noise. Maybe just the impeller doing it's thing? Are they always that loud?

And finally, when I filled with type C gear oil, the lower unit took about a quart. On the other hand, the upper unit took only a quarter quart. Is that right? I followed the instruction manual to fill from the top of the upper unit until it starts coming out of the lower drain plug but I'd have thought it should take more than that. No?

I'd love to take her out today but I don't have a bimini top yet (waiting to get the mechanicals finished) and it's supposed to be 103 today (again for nearly two weeks) and I have been out on a boat with no cover....NASTY. Comfort is a big part of the equation so I may skip today in favor of Friday where it will only be 90-95.!

-Bill
Dallas, TX
1970 Evinrude Explorer - 155 Buick V6 - OMC Sterndrive
http://www.photobucket.com/evinrude_explorer

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Received on Wednesday, 15 July 2009