Disc Brake Component Specifications

WARNING: This page is about a different car, the 2010 Chevrolet Impala. However, it is still accessible from the selected car via links, so may be relevant.

Application	Specification
Application	Metric	English
Front Brakes
Rotor Discard Thickness	28.6 mm	1.126 in
Rotor Maximum Allowable Assembled Lateral Runout	0.06 mm	0.002 in
Rotor Maximum Allowable Scoring	1.50 mm	0.059 in
Rotor Maximum Thickness Variation	0.025 mm	0.001 in
Rotor Minimum Allowable Thickness after Refinishing	29.0 mm	1.142 in
Rotor Thickness - New	30 mm	1.181 in
Rear Brake Rotors
Rotor Discard Thickness*	9.0 mm	0.354 in
Rotor Maximum Allowable Assembled Lateral Runout	0.06 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
Rotor Minimum Allowable Thickness after Refinishing	9.35 mm	0.368 in
Rotor Thickness - New	11.0 mm	0.433 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.