One problem related to engine grinding noise has been reported for the 2001 Ford Explorer Sport. The most recently reported issues are listed below.
When driving on slight uphill roads and making turns left or right, like on ramps to freeway at very slow speeds, 5-10 mph, vehicle is hard to control. Goes all over road, braking makes it worse. Dealer replaced steering gear and tires. Did not remedy. To dealer 9 days one time, another 14 days. Consumer also states engine makes a grinding noise right after start-up.