GM Service Manual Online
For 1990-2009 cars only

Application

Millimeters

Inches

Front Brake Pads

  • Taper

0.15

0.006

Front Brake Rotors

  • Rotor Diameter

325.0

13.0

  • Lateral Runout

0.15

0.006

  • Thickness Variation

0.013

0.0005

Front Brake Rotor Thickness

  • Minimum Thickness after Refinish

30.5

1.20

  • Discard Thickness

30.5

1.20

Rear Brake Pads

  • Taper

0.15

0.006

Rear Brake Rotors

  • Rotor Diameter

305.0

12.0

  • Lateral Runout

0.15

0.006

  • Thickness Variation

0.013

0.0005

Rear Brake Rotor Thickness

  • Minimum Thickness after Refinish

24.5

0.965

  • Discard Thickness

24.5

0.965