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Wheel may need balancing, small quick job at garage. As for loud engine noise and vibration......miss firing cylinder, engines mount loose but more like something to do with exhaust manifolds leaking.
If you do one wheel, do them all...balance that is.
Good to check all parts of the steering bushes etc for loose rods.
One more simple check is to look for holes in engine heat shields and sound proofing. ............and check all wheel nuts are tight !
It happened to me, back from brake pad change, drove car home and the vibration really got my attention....I checked everything, except wheel nuts. I couldn't believe it could happen... but the *%$£" mechanic hadn't done up the nuts proper......small things can cause big trouble. Good luck
A grinding or rumbling noise can also be symptoms of a wheel bearing or constant velocity joint in a driveshaft. A worn wheel bearing can also cause a 'whistling' sound (as can a worn CV joint).
A grinding noise with brakes is either worn pads causing metal to metal contact on the brake disk/rotor, or the brake backing plate catching on a spinning rotor ... or a loose/missing anti squeal brake shim (they stop the pads from rattling and vibrating).
However, as you say a mechanic has looked at the brakes and can't find anything wrong .. I think I would begin to suspect a wheel bearing or constant velocity joint on the driveshaft (front wheel drive cars).
This sounds like it could either be brakes or a wheel bearing going bad. You can check this by removing the rear wheel and inspecting the brakes making sure the caliper is mounted on tightly and brake rotor isn't showing uneven wear. Also be sure to check the brake pads to make sure that they are not worn down to the squealer tabs. Most new pads are roughly 3/8" -1/2"thick. and will start squealing if at about 1/8"-1/16" thick. If everything checks out fine then check the wheel bearing by simply jacking the wheel up off the ground and grabbing. Now try to move it side to side or up and down, it should have no play what so ever. And spin the wheel to listen for screeching or squealing, it should rotate smoothly with no abnormal noises.
there sealed bearings and mass produced its not uncommon for them to go bad and road noise from tires can also be part of teh noise when the tred wears and wethers it can become stiff and relay unwanted noise one way to see if its tires or bearings is to drive on different paved roads not sure the speed conversion im thinking 70k is 55-60 mpg at this speed its most likely the bearings
tyre noise come from wheel alignment out and the tread pattern on the tyres . Have a wheel alignment done starting on the rear end first as it affects the front alignment.. Check CV joints and wheel bearings for serviceability and adjustment.
This noise could be a Joing going out... If this car is a 4x4 then they have a CV joint on the rear to.... If not it could be a rear bearing.... I also something very minor.... If you have plastic hub caps on the rear please take them off then go for a drive to see if the noise continues... This dose sometimes help.... The aftermarket ones can make a noise as i have seen it happen offten