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| I have a new noise, help me identify it! https://www.smwebhead.com/phpBB3/viewtopic.php?f=3&t=14258 |
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| Author: | zen68 [ Mon Jul 13, 2015 6:35 pm ] |
| Post subject: | I have a new noise, help me identify it! |
1. I can't hear it at all when the boat is running out of the water on the hose. 2. Can hear it easy in the water and makes a kinda low rotational knocking kinda sound. 3. Forward, reverse or neutral....it doesn't matter. 4. It is not coming from the motor. I thought maybe it was the exhaust bellows but I looked and it seems ok. Could it be the gimball? 1995 Horizon 302 Mercruiser with sx |
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| Author: | LouC [ Mon Jul 13, 2015 7:18 pm ] |
| Post subject: | Re: I have a new noise, help me identify it! |
U joints can make a knocking noise |
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| Author: | Surface Interval [ Mon Jul 13, 2015 9:09 pm ] |
| Post subject: | Re: I have a new noise, help me identify it! |
It might be the u-joints, as LouC said. Or it might be gear backlash in the top end of the outdrive from wear. Usually these causes are more pronounced when the boat is up to operating temperatures, and when the boat is in neutral. |
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| Author: | danrob [ Wed Jul 22, 2015 12:53 pm ] |
| Post subject: | Re: I have a new noise, help me identify it! |
Does it make a different noise when you make turn either to Port of Starboard?? In my experience that would indicate a U-Joint that has been previously mentioned. |
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| Author: | GottWhat [ Wed Jul 22, 2015 1:23 pm ] |
| Post subject: | Re: I have a new noise, help me identify it! |
Could be the gimbal bearing. How do the bellows look? If water got into the bellows the bearing isn't going to last very long. You'll have to pull the drive to check. At the same time, you'll be able to look over the u-joints as well. Please make a video, upload it to YouTube and share it with us. Might be easier for us to tell and at the very least, it could help someone in the future. |
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