GM Service Manual Online
For 1990-2009 cars only

Application

Specification

Metric

English

Brake Drum Groove Depth, Maximum

1.00 mm

0.039 in

Brake Drum Inner Diameter, New

220 mm

8.66 in

Brake Drum Inner Diameter, Maximum

222 mm

8.74 in

Brake Drum Radial Runout, Maximum

0.04 mm

0.002 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