Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

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Drum Brake System: Testing and Inspection

BRAKE LINING THICKNESS INSPECTION
1. Remove the brake drum.





2. Inspect the remaining thickness of the lining.
^ Replace both left and right brake shoes if either is at or less than the minimum thickness.
Thickness
1.0 mm (0.04 inch) min.

BRAKE DRUM INSPECTION





1. Measure the inner diameter of the drum.
Maximum diameter
255.5 mm (10.05 inch)
2. Inspect for scratches and uneven or abnormal wear inside the drum.
3. Repair or replace the drum if necessary.





4. When repairing or replacing the drum, inspect the contact with the shoes.