Waht did I do to cause this??

JB

Honorary Moderator Emeritus
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Mar 25, 2001
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45,907
Re: Waht did I do to cause this??

What make and model engine, GD?
 

Harker

Chief Petty Officer
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Sep 21, 2003
Messages
452
Re: Waht did I do to cause this??

Did you pump gear lube in without removing the vent screw?
 

Texasmark

Supreme Mariner
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Dec 20, 2005
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14,568
Re: Waht did I do to cause this??

Don't know your engine, but there is an upper seal on the gearbox that apparently has failed, or, as Harker said, you may have overpressurized the gearcase by forcing oil in without opening the vent. I'd bet that is what you did as you would have to put one heck of a volume of oil into that lower unit with the screw out to develop enough pressure to force it by the upper driveshaft seal.......and you would have oil everywere.

Mark
 

Gary H NC

Fleet Admiral
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Dec 1, 2005
Messages
8,972
Re: Waht did I do to cause this??

Not knowing what engine it is makes it a guessing game.If its a Johnson OB then 2 places it could leak,the shift rod seal or the drive shaft seal under the impeller pump.Time to drop the lower and pressure test.
 

gdombroski

Petty Officer 2nd Class
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Sep 18, 2007
Messages
134
Re: Waht did I do to cause this??

Sorry for lack of info is 1994 8 HP. Actually used one of those samll hand pumps that fits on quart bottles.
 

bgbass.1

Chief Petty Officer
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Aug 1, 2007
Messages
558
Re: Waht did I do to cause this??

Did you have the vent screw out when filling?
 

Harker

Chief Petty Officer
Joined
Sep 21, 2003
Messages
452
Re: Waht did I do to cause this??

Almost a certainty...drop the lower unit and see if you can press the seals back down. Of course, if you didn't know to take out the upper vent screw, you probably should take it to someone that knows outboards. Don't run it till you get it fixed or you will have a lower full of water.
 
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