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Old 20-06-2015, 05:35   #16
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Re: Diesel Issue

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What specific Universal engine?

Universal 5424


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Old 20-06-2015, 05:42   #17
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Re: Diesel Issue

Thank you for all the replies!

I topped off the oil, ran the mother for 10 minutes or so trying to look for any oil leaks. It ran fine but the one thing I noticed was the belt wheel on the water circulation pump was loose with what I guess is too much play.

Could friction on the belt from a wiggling wheel actually melt it into a ring of oily mess? I know that was suggested, so thanks!

Has anyone tightened the wheel assembly? Could be bad bearings, maybe that's what the noise was. A whole lot better than an internal noise.

I'm looking into the circulation pump



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Old 20-06-2015, 06:16   #18
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Re: Diesel Issue

So if the wheel on the circulation pump is loose, is the pump shot or is there a way to tighten it up?


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Old 20-06-2015, 06:59   #19
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Re: Diesel Issue

Should have a retaining nut in the center of the pulley.

If you remove the belt you may be able to see just what wiggles. Pulley only or pulley and nut/shaft.

If just the pulley, maybe nut is loose. Happened to me last week.

If pulley and nut wiggle together, bearings could be bad and the entire shaft and pulley assembly is loose.

Make sense?
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Old 20-06-2015, 07:14   #20
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Re: Diesel Issue

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Originally Posted by shamrock View Post
ran the mother for 10 minutes or so
Don't know if this was intentional or an autocorrect, but it works either way!

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Old 20-06-2015, 09:32   #21
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Re: Diesel Issue

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Originally Posted by four winds View Post
Should have a retaining nut in the center of the pulley.



If you remove the belt you may be able to see just what wiggles. Pulley only or pulley and nut/shaft.



If just the pulley, maybe nut is loose. Happened to me last week.



If pulley and nut wiggle together, bearings could be bad and the entire shaft and pulley assembly is loose.



Make sense?

Pulley and nut wiggling together. I guess I'm in for a new pump.

THANKS!


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Old 20-06-2015, 16:21   #22
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Re: Diesel Issue

I assume the coolant pump rather than the seawater pump (which I think is direct drive). Find out the Japanese (Kubota/Mitsubishi) block before shopping at the tractor dealer.

Fixing it yourself saves time and money, increases familiarity with your engine and build skills which may be critical some day.
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Old 20-06-2015, 16:59   #23
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Re: Diesel Issue

Double check me on this.....

I believe the 5424 is a M30. Which is a block D (1101 & 1102)
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Old 20-06-2015, 17:18   #24
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Re: Diesel Issue

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I assume the coolant pump rather than the seawater pump (which I think is direct drive). Find out the Japanese (Kubota/Mitsubishi) block before shopping at the tractor dealer.

Fixing it yourself saves time and money, increases familiarity with your engine and build skills which may be critical some day.

I completely agree! The Kubota part is $109 for the tractor part and $539 for the identical universal part. Give me a break!


It is the coolant pump.


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Old 20-06-2015, 17:19   #25
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Re: Diesel Issue

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Double check me on this.....

I believe the 5424 is a M30. Which is a block D (1101 & 1102)
The M30 followed the 5424. Google "Universal marine engine history", this has been posted many times all over the internet. Tells what Kubota block is associated with what Universal engine.
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Old 20-06-2015, 17:26   #26
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Re: Diesel Issue

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Double check me on this.....



I believe the 5424 is a M30. Which is a block D (1101 & 1102)

Exactly


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Old 20-06-2015, 17:26   #27
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Re: Diesel Issue

I did Google as I don't have personal experience with these.

Found easily two different references stating what I posted above.

I'll double check but phone battery low so may be a minute.
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Old 20-06-2015, 17:51   #28
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Re: Diesel Issue

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I did Google as I don't have personal experience with these.



Found easily two different references stating what I posted above.



I'll double check but phone battery low so may be a minute.

You are correct. I actually found the part for $54. I can't believe the 10X markup of The "Marinized" part.


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