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Old 21-03-2015, 14:29   #1
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leak developed at rusty joint.

Changed my impeller and everything went great until I turned the water back on... The pipe which goes from the pump to the engine block has developed a leak at the thread. Its rusted a fair amount. I'm wondering is there any way to temporarily fix the leak?

Any tips/tricks?
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Old 22-03-2015, 23:38   #2
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Re: leak developed at rusty joint.

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Originally Posted by gathem View Post
Changed my impeller and everything went great until I turned the water back on... The pipe which goes from the pump to the engine block has developed a leak at the thread. Its rusted a fair amount. I'm wondering is there any way to temporarily fix the leak?



Any tips/tricks?

Pictures always help.
Multiple designs need personal attention, if the unit didn't leak here before it wouldn't be rusty there now however vibration may have caused a crack in that joint and that pipe could give you no notice but what you see now before it breaks.
Best fix it before it does break.
You might get away with a mild wire brushing and spray paint multiple coats of paint on it, letting each coat dry before reapplying.
May work for a short time.


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Old 22-03-2015, 23:49   #3
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Re: leak developed at rusty joint.

epoxy metal...
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Old 22-03-2015, 23:55   #4
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Re: leak developed at rusty joint.

Why would a raw water pump have a pipe to the engine block? Is it raw water cooled?

There's not enough information here to even hazard a guess. Type of engine? Type of pump? Kind of pipe? Types of fittings? Really, do you not think this is the kind of information that might get you a useful answer?

Sheesh.
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Old 23-03-2015, 00:09   #5
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Re: leak developed at rusty joint.

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Why would a raw water pump have a pipe to the engine block? Is it raw water cooled?

There's not enough information here to even hazard a guess. Type of engine? Type of pump? Kind of pipe? Types of fittings? Really, do you not think this is the kind of information that might get you a useful answer?

Sheesh.

Quite a few engine designs have heat exchangers as part of the coolant tank, and thus are plumbed to the engine, as a Yanmar would be.
The fitting goes thru the casting looking as though it's part of the engine block assembly.




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