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Old 25-10-2019, 17:50   #1
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Hole in motor behind starter on Volvo Penta MD22L

Hi

Well i'm baffled, i bought this boat a month ago and i just noticed this Motor seems to run fine adn start fine. Anyone ever seen this before?

Cheers
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Old 25-10-2019, 17:52   #2
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Re: Hole in motor behind starter on Volvo Penta MD22L

can you get a better picture with more lighting? Can't really tell what I'm looking at.
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Old 25-10-2019, 17:53   #3
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Re: Hole in motor behind starter on Volvo Penta MD22L

I had an old Mustang that looked like that. Through a bendix gear.
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Old 25-10-2019, 18:08   #4
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Re: Hole in motor behind starter on Volvo Penta MD22L

Well looks like the starter has been replaced, so it could of been from a previouly failed starter drive. I also have seen damage like this from a loose flexplate bolt.
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Old 25-10-2019, 18:14   #5
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Re: Hole in motor behind starter on Volvo Penta MD22L

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can you get a better picture with more lighting? Can't really tell what I'm looking at.
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Old 25-10-2019, 18:15   #6
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Re: Hole in motor behind starter on Volvo Penta MD22L

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Originally Posted by glenn.225 View Post
Well looks like the starter has been replaced, so it could of been from a previouly failed starter drive. I also have seen damage like this from a loose flexplate bolt.
So this is a dry area part of the motor? and can still be run like this?
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Old 25-10-2019, 18:24   #7
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Re: Hole in motor behind starter on Volvo Penta MD22L

Its in the bell housing. Just get a small mirror or borescope and check that there are no loose pieces of metal in that area that could damage the ring gear. Nasty of the PO not to flag that and you may have recourse for a fix.
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Old 25-10-2019, 18:26   #8
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Re: Hole in motor behind starter on Volvo Penta MD22L

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Originally Posted by miyva View Post
So this is a dry area part of the motor? and can still be run like this?


There is no fluid in that part of the engine, itís just the flywheel and ring gear.

Seeing as the starter is new or rebuilt Iíd expect that a massive failure of the bendix knocked out that hole.
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Old 25-10-2019, 18:45   #9
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Re: Hole in motor behind starter on Volvo Penta MD22L

Well i'm just trying to make sure it's safe. from what i can see it's not an easy fix, would have to take out the motor if i'm not wrong.
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Old 25-10-2019, 19:03   #10
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Hole in motor behind starter on Volvo Penta MD22L

Itís the bell housing, it will be fine as long as it doesnít finish breaking, which it could do as it is what transmits the torque from the engine to the transmission.
If it were mine, Iíd replace it, but in all honesty it could run fine forever just as is, or break next time you take the boat out.
Gut says stop drill the obvious crack at least
You can usually pull the transmission, then the bell housing, and since your there consider replacing the drive plate or at least inspecting it.
Or stop drill the cracks and hope for the best.
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Old 25-10-2019, 19:08   #11
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Re: Hole in motor behind starter on Volvo Penta MD22L

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Originally Posted by miyva View Post
Well i'm just trying to make sure it's safe. from what i can see it's not an easy fix, would have to take out the motor if i'm not wrong.


It looks like you could replace the bell housing in place, but it would require creative bracing and gymnastics
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Old 25-10-2019, 19:38   #12
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Re: Hole in motor behind starter on Volvo Penta MD22L

What has been said is correct........
It's a dry area of the engine, nothing in there but the flywheel, damper plate and the starter nose...
But then why is the flex mount, the transmission, and part of the flywheel housing covered with a whiteish looking oil? And an oil pad below the engine. Perhaps the rear seal is leaking?.....

A close look at the broken housing shows several cracks radiating from the damaged area, and we also see that the flex mount support bracket is bolted to the housing in the immediate area of the fracture.

If it was mine I would start to look for a replacement housing, or contemplate getting that one repaired.
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Old 25-10-2019, 19:44   #13
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Re: Hole in motor behind starter on Volvo Penta MD22L

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What has been said is correct........
It's a dry area of the engine, nothing in there but the flywheel, damper plate and the starter nose...
But then why is the flex mount, the transmission, and part of the flywheel housing covered with a whiteish looking oil? And an oil pad below the engine. Perhaps the rear seal is leaking?.....

A close look at the broken housing shows several cracks radiating from the damaged area, and we also see that the flex mount support bracket is bolted to the housing in the immediate area of the fracture.

If it was mine I would start to look for a replacement housing, or contemplate getting that one repaired.
The pads bellow is me, i'm cleaning the engine. But yes i notice a kind of lube inside the hole. I will look into getting this fixed.

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Old 25-10-2019, 20:03   #14
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Re: Hole in motor behind starter on Volvo Penta MD22L

Did you find any pieces of metal in the bilge? How did this get missed by the surveyor
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Old 26-10-2019, 04:45   #15
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Re: Hole in motor behind starter on Volvo Penta MD22L

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Originally Posted by miyva View Post
Thank you

Quote:
Originally Posted by a64pilot View Post
Itís the bell housing, it will be fine as long as it doesnít finish breaking, which it could do as it is what transmits the torque from the engine to the transmission.
If it were mine, Iíd replace it, but in all honesty it could run fine forever just as is, or break next time you take the boat out.
Gut says stop drill the obvious crack at least
You can usually pull the transmission, then the bell housing, and since your there consider replacing the drive plate or at least inspecting it.
Or stop drill the cracks and hope for the best.
What he said
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