GM Service Manual Online
For 1990-2009 cars only

Drum Brake Component Specifications for GMC Truck Sierra Denali 2007

Brake Drum Specifications

Specification

Metric

English

Maximum Allowable Diameter

296.5 mm

11.673 in

Maximum Allowable Radial Runout

0.06 mm

0.0024 in

Maximum Allowable Scoring

1.5 mm

0.06 in