If the sound is when you make a right turn only, chances are you have a bad wheel bearing. I would also check the brakes to make sure they are not worn down, but if you had the tires replaced, I would think they would have seen bad brakes.
Here is what I think is happening. When you drive straight, the vehicles weight is evenly distributed on all 4 wheels. When you turn right, more weight moves to the left side of the car. Therefore, I feel you have a bad left front wheel bearing. When the added weight is added, you hear the noise.
Have the wheel bearing checked. Also, a tie rid wouldn't cause a grinding noise.
Let me know what you find.
Joe
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Monday, December 14th, 2009 AT 9:54 PM