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Drum Brake System: Specifications Chevrolet Silverado 3500 HD

Mechanical - Hydraulic

Fastener Tightening Specifications

ApplicationSpecification
MetricEnglish
Backing Plate Bolts135 N.m100 lb ft
Bleeder Valve9 N.m80 lb in
Brake Pipe Fitting19 N.m14 lb ft
Wheel Cylinder Bolts18 N.m13 lb ft

Drum Brake Component Specifications

Brake Drum SpecificationsSpecification
MetricEnglish
Maximum Allowable Diameter296.5 mm11.673 in
Maximum Allowable Radial Runout0.06 mm0.0024 in
Maximum Allowable Scoring1.5 mm0.06 in

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