[Mark Markow]

no they just get tight when the cvt clutches engage. if the belt is worn too much it gets narrow and will slip a lot. jack the back up and start the eng. rev it , and if it looks like the drive clutch on the engine tries to engage (get narrower on the belt) but it still wont drive the rear driven clutch , your belt is to worn. there is a spec on width of the belt. but I don't know the dim.. hope this helps.