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Home >> Pontiac >> 2009 >> G6 L4-2.4L >> Repair and Diagnosis >> Specifications >> Mechanical Specifications >> Brakes and Traction Control >> Disc Brake System >> Brake Rotor/Disc
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Brake Rotor/Disc

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.