GM Service Manual Online
For 1990-2009 cars only

Application

Specification

Metric

English

Brake Drum Discard Diameter

251.5 mm

9.902 in

Brake Drum Maximum Allowable Diameter After Refinish

251.0 mm

9.882 in

Brake Drum Maximum Allowable Radial Runout

0.15 mm

0.006 in

Brake Drum Maximum Allowable Scoring

1.5 mm

0.06 in