Lesson 14 1 week

Mechanical Disc Brakes

Mechanical disc brake systems, pad replacement, caliper alignment, and lever feel.

Open Official Materials ↗ Google Classroom

Lesson Details

Skills to cover in the shop

  • Mechanical disc brake alignment
  • Mechanical disc brake adjustment
  • Replacing brake pads
  • Truing rotors

Supporting videos

Key procedures / notes

  • Align caliper so pads are centered on the rotor with minimal rub.
  • Replace pads before they wear to the backing plate; keep oil/contaminants off pads and rotors.
  • True bent rotors carefully with a proper tool; re-check pad clearance after truing.
Skill Checks: 14 Mechanical Disc Brake, Cable & Housing. Diagram: Mechanical Disc Brake Handout.

What you’ll do

Follow the procedures in the lesson document. Complete any note guides or worksheets, then perform the hands-on skill check.

Support materials

Diagrams folder
Park Tool videos
Skill Checks

Recommended reading

Park Tool Big Blue Book: pages 150–152 (stop at Hydraulic) and pages 162–166 (Mechanical Disc Brake Systems).