GM Service Manual Online
For 1990-2009 cars only

Application

Specification

Metric

English

Brake Drum Inner Diameter (New)

220 mm

8.66 in

Brake Drum Inner Diameter (Maximum)

222 mm

8.74 in

Brake Shoes Outer Diameter

219.4 mm to 219.7 mm

8.638 in to 8.650 in

Brake Shoe (Lining and Plate) Thickness (New)

6.5 mm

0.24 in

Brake Shoe (Lining and Plate) Thickness (Minimum)

3.0 mm

0.12 in

Brake Shoe (Lining) Thickness (New)

10.0 mm

0.039 in

Brake Shoe (Lining) Thickness (Minimum)

1.0 mm

0.04 in