Disc Brake Component Specifications

WARNING: This page is about a different car, the 2020 Chevrolet Silverado 1500. 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*	28.0 mm	1.102 in
Rotor Minimum Allowable Thickness After Refinish	28.5 mm	1.122 in
Rotor Thickness (NEW)	30.0 mm	1.181 in
Rotor Maximum Allowable Assembled Lateral Runout	0.05 mm	0.002 in
Rotor Maximum Allowable Scoring	1.50 mm	0.059 in
Rotor Maximum Allowable Thickness Variation	0.006 mm	0.00024 in
Rear Brakes
Rotor Discard Thickness*	18 mm	0.709 in
Rotor Minimum Allowable Thickness After Refinish	18.5 mm	0.728 in
Rotor Thickness (NEW)	20.0 mm	0.787 in
Rotor Maximum Allowable Assembled Lateral Runout	0.05 mm	0.002 in
Rotor Maximum Allowable Scoring	1.50 mm	0.059 in
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 minimum thickness specifications.