Gears Worn? Motor Slipping then Locked up

unnamed

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May 16, 2011
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Went out on the lake the other week noticed we was getting some jerks. Felt almost like a transmission skip as a car would have. As we was going the 2.3L OMC started giving this jerk feeling every couple of seconds. as if a gear was slipping. Then the motor just had one more slip and she cut off. Everytime I tried start her from then on the steering wheel would just jerk, and you would hear a click as if something jammed inside the motor, or a gear, and wont let it do anything.

So basically where do I need to start? Seems like when I go to start the motor it wants to turn over, even jerks the motor. But seem like something just isn't leeting something turn. Can't seem to Get past that Click, and the sound of the engine when it jerks. That will only last a half of second, whatever is jerking its also turning my steering wheel, as well as my outboard part of my motor. All I can think of a gear broke or something and has it locked the motor? Any ideas where I should check first? I feel it may be in the upper or lower gear housing of the outboard unit.
 

HT32BSX115

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10,083
Re: Gears Worn? Motor Slipping then Locked up

Howdy,

It sounds like something broke in the drive or more likely a U-joint has broken. did it happen while the drive was trimmed UP while running?

Because it causes the steering wheel to "jerk", I would start by pulling the drive and inspecting the U-joints.

Don't keep cranking the engine or the you may cause additional damage.

Regards,


Rick
 

Joshua Nichols

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Re: Gears Worn? Motor Slipping then Locked up

Pull the drive off.. Easy to do and will let ya be sure you have a outdrive problem and not a engine problem.. Once off see if the thing will start.. Did you just change the outdrive oil?
 

unnamed

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Re: Gears Worn? Motor Slipping then Locked up

Thanks Everyone

Got the outboard unit off noticed at the u-joint a wire was wrapped all around into the bearing, also the rubber housing that was around the u-joint was broken. I believe the clamp was loose, and somehow got caught all up in the u joint, and locked the gears. The engine cranks fine, got all the metal out of the bearing, but the bearing is done for. I need to replace it. How do I got about getting the bearing out? There's a gear in the upper housing and one gear on the lower part of the upper housing. I unscrewed the four screws in the front of the u-joint where the gear is. Also above the second gear (the lower gear) there's a screw around the shaft that seems to be holding it in place, do i need to undo this screw? Just can figure out what I need to unscrew, or what to use if its the large screw (the one on the shaft) that's screwed in front of the gear to get the bearing loose. Just need to know mainly how to get this bearing out, and replace it easily. :D
 

Joshua Nichols

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Re: Gears Worn? Motor Slipping then Locked up

WOW... I am so confused about what happened and what you are trying to do... What bearing?
attachment.php

Do you have a manual?? You may be biting off more than you can chew.. IDK
 

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unnamed

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Re: Gears Worn? Motor Slipping then Locked up

I have looked i am trying to remove and replace the gimbal bearing and am confused on how to remove it
 

unnamed

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Re: Gears Worn? Motor Slipping then Locked up

this is a pic of the u-joint assembly i am curious on how to remove this front bearing to get to the gimbal bearing i need to also know how to remove this spanner nut do i HAVE to have a spanner wrench???
 

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bruceb58

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30,610
Re: Gears Worn? Motor Slipping then Locked up

The gimbal bearing is up in the transom housing. Also, when you pulled that bearing assembly off, there were a bunch of shims. Those set the preload which will change once you start replacing bearings and gears. Usually good idea to have someone do that for you.
 

unnamed

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Re: Gears Worn? Motor Slipping then Locked up

Oooops Ugh Oh!!! Hope those wasn't to important if they were colorful plastic things between it, because my friend and I trying to figure out how to get this assembly off, and the online stern drive manual neglecting to tell us they was important we threw them away :( .. Ive had so much trouble trying just to figure out how to get the spanner nut off to remove the bearing assembly so I can just take it to mechanic and have them press a replacement bearing in. But then I question myself if i do actually get the spanner nut off the front of the gear Im still stuck because I have know idea how the spanner nut, and gear is going to slide off the drive shaft axle if I have that thrust bearing still stuck on the end of the axle I pointed out in the pictures above. I have no idea how to remove it period. I've searched everywhere, and read everything I could I'm strapped for cash I don't really have the cash to have a mechanic do it for me . So I'm just doing the best I can to get the bearing assembly off, but cant seem to find out how to actually get the assembly off the shaft. Every drive assembly I find has no thrust bearing on the end. Either they've already removed it, or maybe my axle is just different. After that I think Im good to go getting the motor back together, and back on the hull of the boat. Just figure removing it myself and replacing everything with a new bellow kit with bearing included I could save some cash on when i do take the bearing to a mechanic to press in.
 

Joshua Nichols

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Re: Gears Worn? Motor Slipping then Locked up

Man... You are in a mess..

Just find ya a used drive and replace the dang thing.. The drive for that 2.3 and the 3.0 are everywhere.. Cheap too.. I have seen the whole job go for $350.. Shame that is a cheap price for a used boat part huh?
 

Joshua Nichols

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Re: Gears Worn? Motor Slipping then Locked up

You need the spanner wrench to get off that nut cause they used loc tight and it's torqued to 200 lbs..

Heat it up some.. Use a pipe wrench or something like it to get it off.. If you ruin the nut so what.. Buy another.. 16 bucks.. You are going to spend more than that for shims...

You are worried about a bearing you are going to replace anyway.. Drive it off
 

unnamed

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Re: Gears Worn? Motor Slipping then Locked up

Man... You are in a mess..

Just find ya a used drive and replace the dang thing.. The drive for that 2.3 and the 3.0 are everywhere.. Cheap too.. I have seen the whole job go for $350.. Shame that is a cheap price for a used boat part huh?

That I would say is true, Ive never worked on a engine, this was my first boat.. To bad shes dead at the first of summer. :facepalm: Guess that means those thin plastic sheets (i'm guessing was the shims) was very important? Does that render the drive axles, u joints, and bearing housing, gear etc useless now? Manly the whole thing pictured above, any parts I need to salvage, or can I just sell the whole thing on ebay, and let someone else deal with what Ive done to it by tossing the shims?
 

Joshua Nichols

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Re: Gears Worn? Motor Slipping then Locked up

Oh I think it can be fixed.. By a fella who has never worked on a boat drive?. NOPE.. Without the factory manual.. For sure nope..

Some things need to be done by a shop.. I feel this is one of them.. Since you trashed the shims.. You would have to shim it correct anyway.. The new bearings and whatever other parts you are replacing woulda changed it..

That whole assy sells more on e bay than the dang whole drive is worth.. Weird huh.. I wouldn't call any of it useless.. You wanta repair the boat?? You gotta have those parts... Hey! don't trash nothing else....

That big bearing is like 60 bucks... That stuff is expensive huh?

What about that bearing in the pinion carrier.. Bet it's toast too.. What did you do? Run it out of oil?
 

unnamed

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Re: Gears Worn? Motor Slipping then Locked up

Oh I think it can be fixed.. By a fella who has never worked on a boat drive?. NOPE.. Without the factory manual.. For sure nope..

Some things need to be done by a shop.. I feel this is one of them.. Since you trashed the shims.. You would have to shim it correct anyway.. The new bearings and whatever other parts you are replacing woulda changed it..

That whole assy sells more on e bay than the dang whole drive is worth.. Weird huh.. I wouldn't call any of it useless.. You wanta repair the boat?? You gotta have those parts... Hey! don't trash nothing else....

That big bearing is like 60 bucks... That stuff is expensive huh?

What about that bearing in the pinion carrier.. Bet it's toast too.. What did you do? Run it out of oil?


I was getting worried there. I just got the boat recently. The bellow around the drive shaft somehow snapped, water got into the boat, and the upper gear unit. The whole clamp around the bellow somehow wrapped around my u-joints which Is why I first thought I had broken a gears tooth, and locked it up but I'm glad that wasn't the case.
 

Joshua Nichols

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Re: Gears Worn? Motor Slipping then Locked up

I was getting worried there. I just got the boat recently. The bellow around the drive shaft somehow snapped, water got into the boat, and the upper gear unit. The whole clamp around the bellow somehow wrapped around my u-joints which Is why I first thought I had broken a gears tooth, and locked it up but I'm glad that wasn't the case.

WOW thats weird...
 
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