Noises problem
2006 Ford Focus 4 cyl Two Wheel Drive Automatic 765000 miles
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When I put my car in reverse it make a terrible grinding noise. It also has started vibrating at slower speeds. It has had a roaring noise on the highway, but I thought it was from the tires I had put on. I drive it 120 mi a day, but never over 65.(maybe a little, but very rarely.) I have had someone look at it and he couldn't see anything wrong and my trans did not need fluid. Any ideas would help me. Of course the warranty ran out at 750000. Thank you