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What part is this?/Leaking water
#11874162
10/10/16 11:04 PM
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Joined: Jul 2015
Posts: 118
mrdvant
OP
Outdoorsman
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OP
Outdoorsman
Joined: Jul 2015
Posts: 118 |
Hey guys, I'm not a mechanic so I don't know much about engine parts. I can generally replace small things here and there if it's not too much work, but that's the extent of my ability. I was hoping someone could tell me what part of the motor this is and what water spraying out around one of those bolts, which is loose and won't tighten, is.
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Re: What part is this?/Leaking water
[Re: mrdvant]
#11874369
10/11/16 01:19 AM
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Joined: May 2003
Posts: 11,586
gary purdy
TFF Guru
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TFF Guru
Joined: May 2003
Posts: 11,586 |
Exhaust cover plate. http://www.boats.net/parts/search/Merc2/Force/150%20H.P.%20%281992-1994%29/0E000001%20THRU%200E093699/EXHAUST%20MANIFOLD%20AND%20COVER/parts.html
The world will not be destroyed by those who do evil, but by those who watch them without doing anything. Remember what He has done and remember that He is not done yet!-- GOD IS GOOD
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Re: What part is this?/Leaking water
[Re: gary purdy]
#11874384
10/11/16 01:24 AM
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Joined: Jul 2015
Posts: 118
mrdvant
OP
Outdoorsman
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OP
Outdoorsman
Joined: Jul 2015
Posts: 118 |
Yes, it is. Thank you. Any idea why water might be coming out around one of the bolts?
Found some info on another site, looks like I need to replace the gaskets. Hope I can find them, it's an late 80's Force motor.
Last edited by mrdvant; 10/11/16 01:29 AM.
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Re: What part is this?/Leaking water
[Re: mrdvant]
#11874870
10/11/16 01:05 PM
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Joined: Jul 2010
Posts: 1,349
boatman025
Extreme Angler
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Extreme Angler
Joined: Jul 2010
Posts: 1,349 |
Need to pull off clean the gaskets and install new one and tighten bolts, it should stop leaking
Hughes Marine 3855 Osage Lane Wylie ,Texas
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Re: What part is this?/Leaking water
[Re: mrdvant]
#11875120
10/11/16 03:26 PM
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Joined: Jul 2012
Posts: 12,214
Cast
TFF Guru
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TFF Guru
Joined: Jul 2012
Posts: 12,214 |
What about that bolt that won't tighten?
Cast I have a short attention spa
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Re: What part is this?/Leaking water
[Re: mrdvant]
#11875307
10/11/16 05:08 PM
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Joined: Jul 2015
Posts: 118
mrdvant
OP
Outdoorsman
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OP
Outdoorsman
Joined: Jul 2015
Posts: 118 |
Yeah, gonna need re-threading. Decided to take it to a mechanic so I don't have to deal with it. There are two bolts down below the lip of the housing there that I can't get to easily.
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Re: What part is this?/Leaking water
[Re: mrdvant]
#11875322
10/11/16 05:18 PM
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Joined: Feb 2006
Posts: 3,769
bronco71
TFF Team Angler
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TFF Team Angler
Joined: Feb 2006
Posts: 3,769 |
yup, will prolly need a heli-coil.....maybe more by the time the plate is removed.
1987 Nitro MX185/Mercury Black Max 150 1999 Triton TX21/225 Mercury Optimax
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Re: What part is this?/Leaking water
[Re: mrdvant]
#11906183
10/29/16 06:00 AM
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Joined: Oct 2016
Posts: 40
Dmaxdriver
Outdoorsman
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Outdoorsman
Joined: Oct 2016
Posts: 40 |
I had one of those force 5 cyl 150hp... bought the boat new back in 1990. had two recalls on flywheels and then crankshafts. So they wound up putting a new short block on it. But they re-used that exhaust cover. put it in the water and went thru the break in process again. Came home and found water leaking out of the same bolts as yours. And guess what, they were stripped as well. The thread depth of those holes in the block must be short, or the "meat" around the bolt hole (with the threads) is thin and cracks open when the bolt is tightened. Their fix was to put jb weld on the bolts and shove them back in and let it set up. I was pissed when I figured out what they did (found traces of grey jb weld around the bolt heads). I took it back and they refused to do anything. I then went to US Marine and tried to get it fixed. They said if it's not leaking, its not a problem. So I was stuck.
Rather than trying to get the bolts out (and heli-coil it) and possibly breaking the thin 1/4-20 bolt off (and causing a worse leak) I swallowed my pride and just let it be. If it started leaking again I would have to fix it anyway. 5years later I sold the boat and it was still not leaking. I see the guy I sold it to occasionally and he still has the ole girl. He said it has never leaked.
So....... As long as the exhaust cover plate gasket itself is not leaking (around it's outer permiter) and only leaking around the bolts... See if you can get them out, clean the holes carefully with brake cleaner, dry well, and do as they did with JB weld.
Best case you fix it yourself and save a few dollars, worse case you have to pull the exhaust cover off anyway to put in the heli-coil.
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