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This is typical of a wheel bearing that is going out. I would imagine that it is your right front, but it could be either side. It is a safety issue as it helps to hold your wheel to your car so get it to a mechanic quickly.
I would start by checking your wheel bearings. Do this by pushing back and forth on the top of your tire or car near the tire. If the tire wobbles back and forth at all your hub assembly should be replaced. For this problem I would check for this first.
could be the left fr wheel brg. but to be SURE, lift up car, spin the wheel, when you are spinning the wheel, grab the coil spring on thr strut. it should fell smooth,compare both sides, if its a wheel brg you will feel the roughness through the spring. a lot of mechanics will even replace the wrong brg, but this method nails it every time. ; )
It might be a faulty power steering pump. Try checking the level of the power steering fluid. It is probably best you have your power steering system checked by a mechanic.
Does the noise occur only when the vehicle is moving?
Try moving the steering wheel from side to side, while stationary (but don't do it too often, or you might damage something). If the noise is still present when the car is stationary, then it probably is the power steering system.
If the noise only occurs while the vehicle is moving, it could be a problem with the differential/final drive, or even wheel bearings.
Check the rear suspension bushs for looseness wheel could be pulling to and fro when under power. The noise is probably due to the rubber bush completly disintegrated and the axle to body insulation has gone making the body a big megaphone
Sounds like your left front wheel bearing is going bad. When you make a right turn, or compress the right front suspension over a bump, it forces the car to roll to the left. This loads the suspension on the left side, which will exaggerate a wheel bearing problem. Are you hearing the noise at all when travelling on the highway in a straight line? If so, it'd be either a grinding sound or a hollow humming noise. If you aren't, it may be that the bearing is just starting to go bad.
A quick test to see if the bearing is bad is to jack the car up at that corner, grab the wheel at the top and bottom, and shake it hard - if there is any movement or looseness, your bearing is shot. If there is none, it doesn't mean the bearing is fine, but it could be that it's just starting to go bad (which would be why you only hear it in turns and bumps, but not straight-line yet).