K 3500 Truck 4WD V8-6.5L DSL Turbo VIN S (1999)
Brake Shoe: Specifications
Replace shoe and lining assemblies when the thickness of any lining is worn to within 0.76 mm (0.030 inch) of the shoe.
Replace riveted shoe and lining assemblies when the lining is worn to within 0.76 mm (0.030 inch) of any rivet head.