Drum Brake System: Specifications
Backing Plate Nut | 17 ft. lbs. |
Brake Pipe Flare Nut | 12 ft. lbs. |
Wheel Cylinder Bleeder Plug | 66.4 inch lbs. |
Wheel Cylinder Retaining Bolts | 75.2 inch lbs. |
Brake Drum Inner Diameter, New | 8.66 inch |
Brake Drum Inner Diameter, Maximum | 8.74 inch |
Brake Shoes Outer Diameter | 8.638 inch to 8.650 inch |
Brake Shoe Lining and Plate Thickness, New | 0.24 inch |
Brake Shoe Lining and Plate Thickness, Minimum | 0.12 inch |
Brake Shoe Lining Thickness, New | 0.039 inch |
Brake Shoe Lining Thickness, Minimum | 0.04 inch |
Brake Drum - Maximum Rebore Diameter/Discard Diameter | See Note* *Brake drum maximum allowable scoring (0.039 inch). If the brake drum scoring depth exceeds the specification, or if an excessive amount of scoring is present, refinish or replace the brake drum. |