84 Mercruiser 140 water leak behind and below starter

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MTBoat

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I have removed the outdrive from an 84 mercruiser 140. I then put a hose to the water intake in order to run the engine. As soon as I put water pressure to it, water streams out of what look like just aft and below where the starter attaches on the starboard side.
It isn't easy to see exactly where/why, but at least one or two places spilling into the bilge.
Any ideas on what is going on or how to approach diagnosis and remedy? Thanks
 
Bt Doctur

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Re: 84 Mercruiser 140 water leak behind and below starter

core plug maybe if it wasnt witerized properly
 
Bondo

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Re: 84 Mercruiser 140 water leak behind and below starter

It isn't easy to see exactly where/why,
Click to expand...

Ayuh,... It's Never Easy, but ya gota do, what ya gota do...
Use a mirror, or camera...
 
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MTBoat

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Re: 84 Mercruiser 140 water leak behind and below starter

Thanks,
I will attempt to get some photos of the area of leakage so those more experienced may assess what's happening.
 
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Re: PHOTOS OF 84 Mercruiser 140 water leak behind and below starter

Re: PHOTOS OF 84 Mercruiser 140 water leak behind and below starter

I am hoping to show the photos of the water streaming out around the flywheel area, I assume, right around and below where the starter gear is inserted? Engine runs fine and no water internally in oil etc.
Is there a salvageable process or repair possible, do I have to pull the motor to get to it,,,other ideas or input?
ThanksBaot motor leak 004.jpgBaot motor leak 005.jpgBaot motor leak 003.jpg
 
Don S

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Re: PHOTOS OF 84 Mercruiser 140 water leak behind and below starter

Re: PHOTOS OF 84 Mercruiser 140 water leak behind and below starter

There is a core plug on the back of the block that may be damaged. Only way to get to it is to pull the engine.
 
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MTBoat

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Re: PHOTOS OF 84 Mercruiser 140 water leak behind and below starter

Re: PHOTOS OF 84 Mercruiser 140 water leak behind and below starter

Thanks, will go about doing so and see what we find.
 
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dkidder

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MTBoat said:
Re: PHOTOS OF 84 Mercruiser 140 water leak behind and below starter

Re: PHOTOS OF 84 Mercruiser 140 water leak behind and below starter

Thanks, will go about doing so and see what we find.
Click to expand...
Did you ever find the problem? I have the exact same issue.
 
Eric 3.7LX Alpha 1

Eric 3.7LX Alpha 1

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dkidder said:
Did you ever find the problem? I have the exact same issue.
Click to expand...
This thread is 10 years old. The original poster hasn't been on here in 4 years. Start your own new thread with info for your engine and drive rather than comment on this one.
 
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dkidder

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Will do, I thought I may be worth a try as my 83 140 has exactly the same issues.
 
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