it gets loader the faster you go,changed rear end,rotores,and brake pads
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2000 Ford Mustang Question: what would cause a roaring in the rear
Answer #1patrick mannion from Greg Solow's Engine Room, February 09, 2012, 00:40Master
Your car is rear wheel drive with a solid axle rear. Is the noise coming from the differential? Check the oil level, or perhaps change the oil. Could it be a rear wheel bearing. Jack up the car, put two jack stands under the rear axle tubes and drop down the car, start up the car and drive it in gear see if you can duplicate the noise or locate which side of the car the noise comes from. Sounds like a wheel bearing or bad differential bearing.
Replyninabell, February 09, 2012, 01:19Rookie