Disc Brake Component Specifications

WARNING: This page is about a different car, the 2004 Chevrolet Monte Carlo and 2004 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*	30.7 mm	1.21 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 Refinish	31.08 mm	1.22 in
Rotor Thickness - New	32.2 mm	1.27 in
Rear Brakes
Rotor Discard Thickness*	9.0 mm	0.35 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 Refinish	10.0 mm	0.39 in
Rotor Thickness - New	11.0 mm	0.43 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.