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Brake Drum|Service and Repair > < Brakes - Rotor/Drum Refinishing Labor Operations|Page 9869
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Brake Drum: Specifications

Brake Drum Discard Diameter ..........................................................................................................................................................  231.0 mm (9.094 inch)
Brake Drum Diameter - New ......................................................................................................................  230.125 mm ± 0.125 mm (9.06 in ± 0.005 inch)
Brake Drum Maximum Allowable Radial Runout .............................................................................................................................  0.104 mm (0.004 inch)
Brake Drum Maximum Allowable Scoring ...........................................................................................................................................  1.5 mm (0.059 inch)
Brake Drum Maximum Diameter After Refinish .............................................................................................................................  230.50 mm (9.075 inch)

Brake Drum|Service and Repair > < Brakes - Rotor/Drum Refinishing Labor Operations|Page 9869