Operation CHARM: Car repair manuals for everyone.

Drum Brake System: Testing and Inspection

1. Release parking brake.
2. Raise and support vehicle.
3. Remove rear wheels.
4. Remove brake drum. Do not pry against brake backing plate.
5. Inspect adjuster assembly, ensure screw threads turn smoothly into nut over full threaded length.
6. Inspect wheel cylinder for damage, leakage or seizure; replace as required.