Slight Whistling from Right Rear.

[Mikeinjersey]

Since it's a whistling sound you hear, I would be more prone to thinking it's brake pads even though they are on the other side of the bike. While riding and hearing the whistle softly apply the rear brake, if you hear a change in pitch or it goes away that's it. If not at least it's off the table as a possible cause.
Hope it stops raining soon

 

[Mikeinjersey]

Sven mentioned using a temp gun to troubleshoot a hot bearing. Excellent idea and a great ,relatively inexpensive, tool to have in your box. Consider, if one side of the wheel was substantially hotter than the other side, it could be the clue your looking for. It could also be used to look at a hot caliper.

 

[Steven Proctor]

No, no..."it didn't jump a tooth" The try is... loosen the axle, adjust nuts, and bolts. Run the adjusters in so the belt loosens enough to remove the wheel, but all you are doing is to hop the belt over one or however many teeth it jumped over the sprocket. You want to change the wear pattern position; so as to see if the squeak is eliminated via 'it was the belt' not the bearing, not the alignment.

That's when I mentioned, it can't be alignment, you adjusted it back to the same place and is square to the frame. Has to be one of the 3:
1. Alignment is a squeak = It's perfect so no joy. You went thru the motion of the jumping tooth and aligned wheel again.
2. Bearing came up without a squeak as was the alignment = Not found here either.
3. Rack spin would have the rear tire grown taller and squeak under the fender = Nope, didn't happen on growth as if riding fast.
4. Belt tooth jump is the only variable left for a squeak.
5. Or _________ fill in the blank, (Butch?).

So, you did everything under the sun butt move the belt tooth. Same ass saying, reach around the trousers, grab the center seam, pull that and the 100% cotton briefs up your crack and move it out of there... just like pulling a belt tooth out of its original position.

Sven, thanx for clarifying. Now I completely understand. So this is what's happening. Nothing. No whistle or squeak. I don't get it. Yesterday day, the last thing I did was put soap on both sides of the belt edges. I had to let it sit overnight and the wife and I took it out for about 30 miles this afternoon. I could not replicate the sound. My wife and I could not hear any squeaks or whistling sounds. I tried both 1 and 2 up riding. First we rode 2 up and went about 13 miles. There was normal traffic so average breaking was applied. I dropped my wife off and rode about another 3 miles and did not hear anything. I then pulled over, to pick up my wife and left the bike running. I touched the caliper, and both sides of the hub where the bearings would be. They felt normal and not abnormally hot. We got back on the bike and rode another 15 miles or so through town and back home. Still no whistle or squeak. I guess I will wait till the soap wears off and see if the noise returns.
Mikeinjersey, that is a good idea with the breaks. If the noise returns, I will try that method out as well.

Thank you all for your help and suggestions. I never fail to learn something new here or be provided with new ideas to try, so thanx so much. If the noise comes back, I will keep everyone posted on the progress or lack of.

 

[Butch Cassidy]

Suggestion: before you get to deep into solving your issue, take someone else for a ride and get their opinion on the noise. It could be as simple as something you are wearing or attached to the bike.

 

[Mr. Wright]

Ok. I am read up. Still trying to fully understand what everyone is saying. To start what is "tooth jump," how does that happen and how do i correct it and keep it from happening again? I haven't had a chance to take the bike out yet. Trying to wait for the rain to stop.

If your belt is not tight enough, or your rear sprocket is worn, when under a hard acceleration the belt will skip a tog on the pully