Rolling Thumping ? - Can-Am Commander Forum
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post #1 of 11 Old 10-16-2018, 12:08 PM Thread Starter
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Rolling Thumping ?

Good day gents, I have a 2012 that has been sitting for a year. Went out hunting this past weekend and I have a rolling thump which I just thought it was the tires flat spotted from sitting so long. That is exactly what the problem feels like. After a full day of riding it got a bit better but is still there. Going to look at it this weekend and a few ideas of what to look at would be appreciated.
4wd - no difference.

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post #2 of 11 Old 10-16-2018, 02:52 PM
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Flat spotting will certainly do it. You could put it up on jack stands, and roll them by hand to see. Been there.

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post #3 of 11 Old 10-16-2018, 04:03 PM
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Quote:
Originally Posted by eagleeye View Post
Good day gents, I have a 2012 that has been sitting for a year. Went out hunting this past weekend and I have a rolling thump which I just thought it was the tires flat spotted from sitting so long. That is exactly what the problem feels like. After a full day of riding it got a bit better but is still there. Going to look at it this weekend and a few ideas of what to look at would be appreciated.
4wd - no difference.
Try inflating tires to max and run hard on paved surface for a few miles, if flat spotted that should cure it.
Can you isolate to 0ne (1) wheel ? Wheel brg. gone bad ?
Is it constant, rhythmic, timed etc. or intermittent ?
Had that happen from a broken shock lower mount eye bolt !



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post #4 of 11 Old 10-16-2018, 04:12 PM
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Quote:
Originally Posted by eagleeye View Post
Good day gents, I have a 2012 that has been sitting for a year. Went out hunting this past weekend and I have a rolling thump which I just thought it was the tires flat spotted from sitting so long. That is exactly what the problem feels like. After a full day of riding it got a bit better but is still there. Going to look at it this weekend and a few ideas of what to look at would be appreciated.
4wd - no difference.
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post #5 of 11 Old 10-17-2018, 10:43 AM
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Check your belt that it did not spit out a chunk . It will give a rotating thump .

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post #6 of 11 Old 10-17-2018, 11:47 AM
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Worse case of flat spotted tires is 2 miles all better . So unless you have a broken belt In a tire I would guess problem is elsewhere. Long time no see . Hope all is as well as possible !!
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post #7 of 11 Old 11-03-2018, 11:41 AM Thread Starter
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Well Ace you are correct. I had a broken belt in a rear tire.

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post #8 of 11 Old 11-03-2018, 01:02 PM
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Did it blow out or knot up?? Glad you figured it either way.
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post #9 of 11 Old 11-03-2018, 03:52 PM Thread Starter
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Separated from sitting. Didn't think that could happen but it did sit for a year. lol

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post #10 of 11 Old 11-03-2018, 03:54 PM
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Belt probably got broke on last ride before you parked it. Then over time while sitting it started coming apart. Yeah your right they donít break sitting .


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