Cobalt L4-2.4L VIN B (2006)
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)