Most likely this is caused by a broken belt in one of the front tires. You might be able to see the hump in the tread if you walk beside it while a helper drives it slowly, and you might feel it by running your hands around the tread, but be careful. Broken belts are often accompanied by the wires of the steel belt sticking out. Those are real sharp ends of hard strands of wire and they really smart when you poke yourself on them. I like to pat my hand on the tire as I work my way around it.
You can also jack the front tires off the ground, then run it in gear. Watch the tread for any signs of irregularity. Typically only one tire will spin. Use the brakes to stop it, then have someone block it with a piece of wood. That will make the other tire spin when you release the brakes. There's no need to hit the gas pedal. The hump in the tire is harder to see at higher speeds, and you run the risk of the blocked tire grabbing that block and shooting it out across the driveway!
Caradiodoc
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Sunday, February 6th, 2011 AT 8:19 PM