GM Service Manual Online
For 1990-2009 cars only

Application

Specification

Metric

English

Brake Drum Diameter - New

250.0 mm

9.84 in

Brake Drum Discard Diameter

251.5 mm

9.90 in

Brake Drum Maximum Allowable Radial Runout

0.03 mm

0.001 in

Brake Drum Maximum Allowable Scoring

1.5 mm

0.059 in

Brake Drum Maximum Diameter After Refinish

251.5 mm

9.90 in

Brake Shoe Lining Minimum Thickness

1.0 mm

0.04 in

Brake Shoe Lining Thickness - New

6.0 mm

0.24 in

Brake Shoe Lining-to-Drum Clearance

0.50 mm

0.020 in