GM Service Manual Online
For 1990-2009 cars only

Application

Specification

Metric

English

Drum Inner Diameter (Maximum)

  • 2-Door Models

182 mm

7.16 in

  • 4-Door Models

202 mm

7.95 in

Drum Out-of-Round (Maximum)

0.01 mm

0.0004 in

Drum Runout (Maximum)

0.04 mm

0.0016 in

Drum Taper (Maximum)

0.1 mm

0.004 in

Lining Thickness (Minimum)

1.0 mm

0.004 in