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 Rotors

  • Rotor Diameter

323.0 mm

12.7 in

  • Rotor Maximum Allowable Assembled Lateral Runout

0.06 mm

0.002 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*

30.7 mm

1.209 in

  • Rotor Thickness (New)

32.20 mm

1.267 in

Rear Brake Pads

  • Taper

0.15 mm

0.006 in

Rear Brake Rotors

  • Rotor Diameter

320.0 mm

12.6 in

  • Rotor Maximum Allowable Assembled Lateral Runout

0.06 mm

0.002 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*

24.0 mm

0.94 in

  • Rotor Thickness New

26.0 mm

1.02 in

* All brake rotors have a minimum thickness dimension cast into them. Replace any rotor that is worn or machined below specification.