GM Service Manual Online
For 1990-2009 cars only

Application

Specification

Metric

English

Drum Inner Diameter (Maximum):

  • 2-Door

222 mm

8.74 in

  • 4-Door

256 mm

10.07 in

Drum Out-of-Round (Maximum)

0.01 mm

0.0004 in

Drum Roundness Runout (Maximum)

0.04 mm

0.0016 in

Drum Taper (Maximum)

0.1 mm

0.004 in

Linings Outer Diameter:

  • 2-Door

219.4 mm

8.64 in

  • 4-Door

253.5 mm

9.98 in

Shoe Lining Material Thickness (Minimum)

1 mm

0.04 in