GM Service Manual Online
For 1990-2009 cars only

Application

Specification

Metric

English

Front Brake Pads

  • Taper

0.15 mm

0.006 in

Front Brake Rotor JE5

  • Rotor Diameter

323.0 mm

12.71 in

  • Rotor Discard Thickness *

30.7 mm

1.209 in

  • Rotor Maximum Allowable Assembled Lateral Runout

0.05 mm

0.0019 in

  • Rotor Maximum Allowable Scoring

1.50 mm

0.059 in

  • Rotor Maximum Allowable Thickness Variation

0.025 mm

0.001 in

  • Rotor Minimum Thickness After Refinishing

30.7 mm

1.209 in

  • Rotor Thickness (New)

32.20 mm

1.267 in

Rear Brake Rotor JE5

  • Rotor Diameter

302.0 mm

12.598 in

  • Rotor Discard Thickness *

24.0 mm

0.944 in

  • Rotor Maximum Allowable Assembled Lateral Runout

0.05 mm

0.0019 in

  • Rotor Maximum Allowable Scoring

1.50 mm

0.059 in

  • Rotor Maximum Allowable Thickness Variation

0.025 mm

0.001 in

  • Rotor Minimum Thickness After Refinishing

24.0 mm

0.944 in

  • Rotor Thickness (New)

26.0 mm

1.023 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.