G6 V6-3.9L (2009)
Brake Rotor/Disc: Specifications
FRONT BRAKE ROTOR/DISC
Rotor Minimum Allowable Thickness After Refinish................................................................................................................................23.0 mm (0.906 in)
Rotor Discard Thickness*...........................................................................................................................................................................22.8mm (0.898 in)
Rotor Maximum Allowable Thickness Variation.....................................................................................................................................0.025 mm (0.001 in)
Rotor Maximum Allowable Assembled Lateral Runout..............................................................................................................................0.05mm (0.002 in)
REAR BRAKE ROTOR/DISK
Rotor Minimum Allowable Thickness After Refinish................................................................................................................................12.0 mm (0.472 in)
Rotor Discard Thickness*...........................................................................................................................................................................11.8mm (0.465 in)
Rotor Maximum Allowable Thickness Variation.....................................................................................................................................0.025 mm (0.001 in)
Rotor Maximum Allowable Assembled Lateral Runout..............................................................................................................................0.05mm (0.002 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 specification.