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Home >> Buick >> 2011 >> Regal L4-2.0L Turbo >> Repair and Diagnosis >> Specifications >> Mechanical Specifications >> Disc Brake System >> Brake Rotor/Disc
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Brake Rotor/Disc

Front Brakes

Brake Rotor Discard Thickness* (J60, J61) 27.0 mm (1.07 in)
Brake Rotor Maximum Allowable Assembled Lateral Runout 0.05 mm (0.002 in)
Brake Rotor Maximum Allowable Thickness Variation 0.006 mm (0.00024 in)

Rear Brakes

Brake Rotor Discard Thickness* (J60) 10.00 mm (0.395 in)
Brake Rotor Discard Thickness* (J61) 21.00 mm (0.827 in)
Brake Rotor Maximum Allowable Assembled Lateral Runout 0.05 mm (0.002 in)
Brake Rotor Maximum Allowable Thickness Variation 0.006 mm (0.00024 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 discard thickness specification.
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