GM Service Manual Online
For 1990-2009 cars only

Application

Specification

Metric

English

Front Brakes

  • Brake Pad Lining Minimum Thickness

2.0 mm

0.079 in

  • Brake Pad Lining Thickness - New

12.0 mm

0.472 in

  • Rotor Discard Thickness *

22.0 mm

0.867 in

  • Rotor Thickness (new)

25.0 mm

0.984 in

  • Rotor Maximum Allowable Lateral Runout

0.11 mm

0.005 in

  • Rotor Maximum Allowable Scoring

0.04 mm

0.158 in

  • Rotor Maximum Allowable Thickness Variation

0.025 mm

0.001 in

* All brake rotors have a discard dimension cast into them. Replace any rotor that does not meet this specification. After refinishing the rotor, replace any rotor that does not meet the minimum thickness specifications.