Re: Thumping Noise in Right Rear Tire Area

Posted by PAA on November 13, 2005 at 14:49:27 from (152.163.101.13):

In Reply to: Thumping Noise in Right Rear Tire Area posted by Bill in NC on November 12, 2005 at 20:19:02:

Bill- I noticed the same problem with my 140 a few weeks back and it turned out to be a loose rim on the left side. Once I jacked up the tire it was easy to tell where the problem was. I replaced all four bolts with new as the old ones had worn threads. The wheel disc on the left side is the light one and mine has oblong holes from years of wear. I suspect that this contributes to the bolts loosening up every couple of years. While you are at it check any wheel weight bolts and also the bolts in the center of the rim. I rarely find the center bolts loose.
If in fact it turns out to be loose bolts, I would suggest replacing with original type bolts if someone over the years has replaced them with coarse thread or soft bolts. This is common. The square heads don't turn in the square rim sockets when you go to tighten or remove them. I have had to drive a wedge in between a hex head bolt and the rim in order to keep it from turning. The fine thread seems to hold longer than the coarse thread.

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