Ford Motor Co. has recalled about 457,000 of its 1986-88 model Aerostar minivans because of a potential windshield wiper problem.

The company also said it was recalling 5,100 of its 1988-90 F-Super Duty motorhome chassis to install a new brake-linkage rod to the brake pedal.Ford said it was possible that the linkage could break, causing a loss of stopping ability. The company said it knows of no accidents linked to the problem.

In the Aerostar recall, gears in the windshield wiper motor could break, making them useless.

The company is notifying all owners and will repair problems free of charge.