GM Service Manual Online
For 1990-2009 cars only

Application

Specification

Metric

English

Brake Drum Discard Diameter

231.0 mm

9.09 in

Brake Drum Inside Diameter (new)

230.0 mm

9.05 in

Brake Drum Maximum Allowable Radial Runout

0.05 mm

0.002 in

Brake Drum Maximum Allowable Scoring

1.0 mm

0.040 in

Brake Drum Maximum Diameter After Refinish

230.65 mm

9.08 in