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It could be that you have a front wheel bearing that is getting noisy. Have someone ride in the RF seat and listen to the noise to try to figure out which front wheel the noise is coming from.
Also , check the tread pattern of the front tires to see if it has some unusual choppy pattern forming.
It sounds like your CV joints are getting worn, the reason is that most of your driving is don in a straight line which wears a groove so when you turn from lock to lock the bearings clunk over the groove, it is annoying but not particularly dangerous in the early stages of wear
Quite often it is a bad wheel bearing, a lot of chevy's are notorious for them. A wheel bearing will usually create a growling type noise that is more prominent at around 40-60MPH. If its a wheel bearing you should notice a change in pitch when turning in one direction, for example if you have a bad right side wheel bearing it will be noisy driving straight ahead, then get louder when turning LEFT. If you turn right the noise softens. The weight distribution of the front end will be greater on the right side when turning left. Of course the works in the opposite direction. If the noise remains constant going straight and turning it could be a bad tire. Visually check the tire for pressure and bulges in the side wall. You didn't mention what type or model vehicle you have, because in some cases the rear wheel bearing could be causing the noise.
The disks may be warped, which will cause a vibration under braking. Also if it's an ABS system, the vibration is normal but only under heavy braking, and should not continue to vibrate when working properly.
THIS NOISE IS USUALLY THE HUB. HAVE SOMEONE GO WITH YOU ON A TEST DRIVE. GET THE ROARING TO HAPPEN AT ITS LOUDEST AND GENTLY SWERVE THE CAR LEFT AND RIGHT. DON'T BE SURPRISED IF YOU THINK BOTH HUBS ARE BAD.
LIFT THE FRONT OF THE CAR AND PUT IT ON JACK STANDS. PULL OUTWARD ON THE BOTTOM OF THE TIRE WHILE PUSHING INWARD ON THE TOP OF THE WHEEL. IF THE WHEEL MOVES EXCESSIVELY YOU FOUND THE HUB THAT IS NOISY.
USING A MECHANICS STETHOSCOPE YOU CAN SOMETIMES HEAR A ROARING TYPE NOISE ON THE BACKING PLATE SIDE OF THE HUB WITH THE ENGINE RUNNING AND THE TRANS IN GEAR. TRY NOT TO GET THE SPEED UP TOO FAR ESPECIALLY IF YOU CAN HEAR THE NOISE AT LOW SPEED, YOU DON'T WANT TO VIBRATE OFF THE STANDS.
Yes it sounds like a wheel bearing.I would jack the suspected wheel off the ground and then grab it from the top and bottom and then try to move it with a push and pull movement.If the wheel moves that is most likely the bad one.I would also try the other wheel just to be sure.The bearing isn't to bad a price but the bearing needs to be pressed in and out to be replaced.
I had the same problem with my 2002 Town and Country Limited. I took it to the mechanic and had the sway bar links and ball joints replaced and still had the same clunking noise when going over bumps at low speeds. The van sounded great on the highway, but country roads were horrible. I was about to replace the struts and pay another 700 dollars when i read somewhere that the sway bar bushings could wear and cause the noise. I took it to the mechanic and he said absolutely not it would be a waste of money. Being the stubborn guy I am, I went to NAPA and bought the two bushings for 12 dollars and replaced them myself in an hour. I took the van for a test ride and the noise is completely gone. Please ignore your mechanic and replace the bushings ASAP! Pretty cheap try even if it doesn't work.
If it's wheel bearings, they should get louder the faster you go. Also, if you have one going out, loading up the suspension on that side will make it louder. For instance, if you have a bad front left bearing, and you take a right-hand turn at speed on the highway, that will load the left side suspension since the car will roll to the left. The noise would get louder. Similarly, if you took a left turn, and the weight shifted off of the left side, the noise would go away.
Try jacking up the car and grabbing the wheel at the top and bottom and shaking it hard. If you get any play or looseness in the wheel, chances are the bearing is bad.
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