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| Rythmic humming and vibration in rear end??? https://slantsix.org/forum/viewtopic.php?t=56946 |
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| Author: | GAranger1403 [ Sun Jan 18, 2015 7:28 pm ] |
| Post subject: | Rythmic humming and vibration in rear end??? |
Starts between 55-60 mph. Vibration and noise increases with speed. As long as I stay under 55 I have no problems. Car has new tires and new U joints. Wheel bearings maybe? Thanks! |
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| Author: | wjajr [ Sun Jan 18, 2015 8:00 pm ] |
| Post subject: | |
Quote: Car has new tires and new U joints.
Did the rearend make the same sound or vibration before new tires were installed?If not, I would suspect tires. Some tires, maybe all, don't know for sure, have tread design that is not symmetrical in respect to circumference. In other words if one were to dissect a tread and lay it out in one long strip the spacing of tread compresses and expands linearly a bit. I think that a tire with or without this changing of the pattern may cause some strange harmonics to set up. Or I could be all wet. |
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| Author: | GAranger1403 [ Mon Jan 19, 2015 4:12 am ] |
| Post subject: | |
Car had 25 YO tires on it when I bought it. They barely made it to a tire dealer where I had new tires and brakes installed all the way around. So to answer your question, I don't know if it made the noise before. Two of the originals blew out before I could get up to speed. LOL |
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