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Horrible noise coming from lower unit
http://mudmotortalk.com/mmt_v2/viewtopic.php?f=41&t=68311
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Author:  Woodduck15 [ Mon Sep 19, 2016 3:03 pm ]
Post subject:  Horrible noise coming from lower unit

Have a 4400 HDR, a month after I got it I noticed a minimal noise coming from the lower unit were the belt connects to the prop shaft. Then it went away I didn't hear it again until duck hunting a few days ago the sound came back and got very bad. It is almost older than the motor running. A seal has not gone out my shaft is still full of grease and I have taken the plug out before filling with grease every time. Could it be a bearing, bent shaft, ect...?

Author:  Russ [ Mon Sep 19, 2016 3:14 pm ]
Post subject:  Re: Horrible noise coming from lower unit

Could be a bearing, loose taper lock, some random piece of something that's bouncing around while running (stick, bb, screw, nut, etc)... Does it make any noise when rotating by hand?

Author:  JD145 [ Mon Sep 19, 2016 4:22 pm ]
Post subject:  Re: Horrible noise coming from lower unit

Are you feeling any vibration that you weren't feeling before?

Author:  Woodduck15 [ Mon Sep 19, 2016 4:34 pm ]
Post subject:  Re: Horrible noise coming from lower unit

Yes feel very large mounts of vibration and wen I turn it by hand I can hear it not as loud .

Author:  BERNIE255 [ Mon Sep 19, 2016 4:40 pm ]
Post subject:  Re: Horrible noise coming from lower unit

Bad bearing.


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Author:  Russ [ Mon Sep 19, 2016 4:41 pm ]
Post subject:  Re: Horrible noise coming from lower unit

I've seen plenty of those bearings with normal greasing last well over 500 hours without issue (the one we have now was past 800), so I'm hesitant to say that's the problem, but it's possible. Take it to your dealer if it's under warranty and make it their problem.

Author:  270Handiman [ Mon Sep 19, 2016 4:43 pm ]
Post subject:  Re: Horrible noise coming from lower unit

Take it in if under warranty, or pull the outdrive and take a look if it's not.

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Author:  Woodduck15 [ Wed Sep 21, 2016 10:56 am ]
Post subject:  Re: Horrible noise coming from lower unit

I talked to mudbuddy and they said its under warranty so I don't think it will be a big deal. And thank y'all for the help.

Author:  brycecheramie [ Wed Sep 21, 2016 1:07 pm ]
Post subject:  Re: Horrible noise coming from lower unit


Author:  Wood duck slayer [ Mon Oct 10, 2016 6:47 pm ]
Post subject:  Re: Horrible noise coming from lower unit

damn mudbuddy

Author:  SCmudder7071 [ Mon Oct 10, 2016 8:49 pm ]
Post subject:  Re: Horrible noise coming from lower unit


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