What is current industry practice for reconditioning 16.5-inch (420 mm) brake drums that are visibly scored and heat checked?

A) machine to 0.120" (3 mm) oversize
B) replace with new drums
C) skim until smooth providing oversize does not exceed 0.180-inch (4.5 mm)
D) dedicate for use on trailers only

Brake Drums

Components of a drum brake system which rotate with the wheel and where the brake shoes press against to stop the vehicle.

Reconditioning

The process of repairing, restoring, or otherwise returning a used or worn product to a good, usable condition, often involving replacing parts and a thorough cleaning.

Heat Checked

A term describing the presence of surface cracks on a component, such as a brake disc, caused by repeated heating and cooling cycles.