GM Service Manual Online
For 1990-2009 cars only

Application

Specification

Metric

English

Brake Drum Discard Inside Diameter

231.00 mm

9.094 in

Brake Drum Inside Diameter (new)

230.125 mm

9.060 in

Brake Drum Maximum Allowable Radial Runout

0.104 mm

0.004 in

Brake Drum Maximum Allowable Scoring

1.5 mm

0.06 in

Brake Drum Maximum Inside Diameter After Refinish

230.50 mm

9.075 in

Brake Shoe-to-Drum Clearance

0.635 mm

0.025 in