Heat checks are visible only after the drum has been machined.

Name: Heat checks are visible only after the drum has been machined.
Brand: Quizplus
Rating: 4.8 (33 reviews)

Question

Quizplus · Accepted Answer

Heat checks are small cracks on the surface of a brake drum or rotor caused by excessive heat. They can be visible before machining as they indicate thermal stress or damage. Machining can make them more apparent, but they can exist and be visible prior to any machining process.

Heat Checks Are Visible Only After the Drum Has Been