Switch the blade with the one that doesn't make noise and that will tell you if the blade is bent.Have 2 of these one is dead quiet and one makes a noise when it oscillates left to right no clicks no jumps just this brrrrrrr one way and brrrrrrr the other way only when oscillating
When ideas ??? All cables have enough length so there’s is no jamming of any sort
When oscillation it OFF ram is quietSwitch the blade with the one that doesn't make noise and that will tell you if the blade is bent.