Forester F4-2.5L SOHC (2004)
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. If the inner diameter of drum is outside the service limit, replace the drum.
Drum inner diameter: "L"
Standard 228.6 mm (9 inch)
Service limit 230.6 mm (9.08 inch)