Operation CHARM: Car repair manuals for everyone.

Brake Drum: Testing and Inspection

Rear Drum Brake Drum

INSPECTION
1) If the inside surface of brake drum is streaked, correct the surface. And, if it is unevenly worn, taperingly streaked, or the outside surface of brake drum is damaged, correct or replace it.





2) Measure the drum inner diameter.
Drum inner diameter: "L"
Standard 228.6 mm (9 inch)
Service limit 230.6 mm (9.08 inch)