Hi Folks
Well I have tried almost everything to no avail to get rid of this harmonic hummmm-buzzz vibration -drive shaft checked, new u-joints,new tires,and yesterday new motor mounts because I did have one mount collapsed.when I reach about 45 mph. a vibration starts, it is coming from the front and I noticed yesterday if I just slightly apply brake when the vibration is happening the vibration goes away.Could this be rotor or caliper problem?I live in the Fl. Keys and it's almost like Mayberry except there are no shops that really do any kind of work like that.And I really am tired of changing parts and not finding the culprit .Also I first gave it the rear wheels jacked up and in gear test, took it to the speed and no vibration is felt.I was hoping to find on the forum a person who might be experienced in this diagnosis.Any tips appreciated.

 

So it's coming from the front end and goes away when the brakes are applied...., I have had symptom close to this on older cars and it was the wheel bearing...... Hope that helps..

 

i have this vibration too.... but doesn't metter if i press the brake or not .... i checked the drive shaft and .... i saw it abnormaly.... has collapsed ( [:@][:@]

 

Some times the rims could do this vibration if its not the orignal..and tires also if they are new dosnt means they are without faults!!just check them 1 time by ur hand if there is *****..last thing check the joints in shaft and around the front rims