Operation CHARM: Car repair manuals for everyone.

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.