GM Service Manual Online
For 1990-2009 cars only

Application

Specification

Metric

English

M-Van (RWD)

  • Rotor Discard Thickness *

24.51 mm

0.965 in

  • Rotor Minimum Allowable Thickness After Refinish

24.89 mm

0.980 in

  • Rotor Thickness (new)

26.42 mm

1.04 in

  • Rotor Maximum Allowable Lateral Runout

0.051 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

L-Van (A4WD)

  • Rotor Discard Thickness *

30.86 mm

1.215 in

  • Rotor Minimum Allowable Thickness After Refinish

31.25 mm

1.23 in

  • Rotor Thickness (new)

31.75 mm

1.25 in

  • Rotor Maximum Allowable Lateral Runout

0.051 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

* 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.