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Re: mercuiser alpha 1 oil leak
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GYXU > Boats > Re: mercuiser alpha 1 oil leak 25 May 2005 03:03:41

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Re: mercuiser alpha 1 oil leak

JamesgangNC 22 May 2005 02:18:04
 You're right about the hole, it is a water drain. Oil there is bad. Have
you checked the oil? You should before using it again. Leaking oil is
often accompanied by water leaking into the outdrive and that is really bad.
Loosen the lower plug while the top plug is still in and see if any water
comes out or the oil is milky. It could be a number of different seals.
When one goes most people have them all replaced. It takes a bunch of
special merc tools.

<chrisvillar@hotmai­l.com> wrote in message
news:1116703099.647­527.324710@f14g2000c­wb.googlegroups.com.­..>I have an alpha 1 outdrive with oil leaking out of the small drain hole> on the starboard side. Not the "oil" drain hole. This hole is a> smaller drain hole on the opposite side from the oil drain and vent> holes and toward the front of the outdrive. With the outdrive in the> "trailer" position, this hole is pretty much the lowest point on the> gear housing. I think it is there to let water drain from the prop> shaft area when the outdrive is in the "trailer" position. Since oil> is coming out, does this indicate a bad prop shaft seal or an internal> seal inside the unit? I'm trying to figure out where to start and if> I'm even on the right track.>


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Harry . Krause 22 May 2005 02:23:52 permanent link ]
 On 21 May 2005 12:18:19 -0700, chrisvillar@hotmail­.com wrote:
I have an alpha 1 outdrive with oil leaking out of the small drain hole>on the starboard side. Not the "oil" drain hole. This hole is a>smaller drain hole on the opposite side from the oil drain and vent>holes and toward the front of the outdrive.

Just keep it topped off, and dont worry about it.

Me and the wife
http://pg.photos.ya­hoo.com/ph/harkrause­/album?.dir=/1323
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JIMinFL 22 May 2005 04:05:44 permanent link ]
 There is a shift shaft seal at the top of the cavity that the hole drains.
You can change that seal without taking the drive apart, assuming the shaft
isn't pitted or worn in the seal area. You just need to separate the upper
from lower to get at the seal. You will need a special tool to do the job
though.
JIMinFL

<chrisvillar@hotmai­l.com> wrote in message
news:1116703099.647­527.324710@f14g2000c­wb.googlegroups.com.­..>I have an alpha 1 outdrive with oil leaking out of the small drain hole> on the starboard side. Not the "oil" drain hole. This hole is a> smaller drain hole on the opposite side from the oil drain and vent> holes and toward the front of the outdrive. With the outdrive in the> "trailer" position, this hole is pretty much the lowest point on the> gear housing. I think it is there to let water drain from the prop> shaft area when the outdrive is in the "trailer" position. Since oil> is coming out, does this indicate a bad prop shaft seal or an internal> seal inside the unit? I'm trying to figure out where to start and if> I'm even on the right track.>


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Woodchuck 22 May 2005 05:31:47 permanent link ]
 If you need to tear it down I have the wrench to remove the large nut on the
upper housing. Used one time when I repaired my alpha a few years back. $55
shipped to your door!


<chrisvillar@hotmai­l.com> wrote in message
news:1116703099.647­527.324710@f14g2000c­wb.googlegroups.com.­..>I have an alpha 1 outdrive with oil leaking out of the small drain hole> on the starboard side. Not the "oil" drain hole. This hole is a> smaller drain hole on the opposite side from the oil drain and vent> holes and toward the front of the outdrive. With the outdrive in the> "trailer" position, this hole is pretty much the lowest point on the> gear housing. I think it is there to let water drain from the prop> shaft area when the outdrive is in the "trailer" position. Since oil> is coming out, does this indicate a bad prop shaft seal or an internal> seal inside the unit? I'm trying to figure out where to start and if> I'm even on the right track.>


Add comment
Woodchuck 24 May 2005 03:53:25 permanent link ]
 Water, oil, bearings, and gears don't work well together! Sooner you fix it
the cheaper the cost would be!

I also have milky oil every time I check the level. I feel like annual> replacement of the oil and checking the level every time I put it in> the water will let me run safely indefinitely but how much should> professional replacement of all the seals cost? How about if I pull> the upper and lower unit off myself and bring it in?>
Chris>


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John H 25 May 2005 03:03:41 permanent link ]
 On 24 May 2005 14:57:42 -0700, chrisvillar@hotmail­.com wrote:
Yes, I know it would be better to fix it now but... This is a 25 year>old boat that is only in the water a total of 10-20 hours a year.>Can't I just limp it along by checking the level before I put in in the>water every time and do a complete drain and refill at the end of the>season? This will cost me maybe $10 a year and probably keep me going>until this boat is too old to put in the water safely. I really love>the look and style of this boat and the engine runs great. But really>this oil leak is only one of many symptoms of age. It has a ton of>little problems like this that, if I had them all professionaly>repai­red, would cost more than I have invested in the boat. If I can>put $50-$60 a year to patch these little problems and make this boat>last me another 5 years, I'd be happy. I'm only asking for another 100>operating hours. That's why I asked how much to reseal the outdrive.>If it's $100, I'd go ahead and do it. If it's $500, I'll take my>chances and make sure to keep it topped off. Am I nuts?

Only if the oil is going in the rivers, lakes, or other water you boat in.

--
John H
On the 'PocoLoco' out of Deale, MD

"Divide each difficulty into as many parts as is feasible and necessary to resolve it."
Rene Descartes (A true binary thinker!)
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GYXU > Boats > Re: mercuiser alpha 1 oil leak 25 May 2005 03:03:41

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