Disc Brake Component Specifications

WARNING: This page is about a different car, the 2022 Buick Envision. However, it is still accessible from the selected car via links, so may be relevant.

Application	Specification
Application	Metric	English
Front Brakes
Brake Pad Minimum Thickness	2.0 mm	0.078 in
Rotor Diameter	321.0 mm	12.638 in
Rotor Discard Thickness*	25.0 mm	0.984 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	25.2 mm	0.992 in
Rotor Thickness New	28.0 mm	1.102 in
Rear Brakes
Brake Pad Minimum Thickness	2.0 mm	0.078 in
Rotor Diameter	315.0 mm	12.402 in
Rotor Discard Thickness*	21.0 mm	0.827 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	0.025 mm	0.001 in
Rotor Minimum Allowable Thickness After Refinish	22.0 mm	0.866 in
Rotor Thickness New	23.0 mm	0.906 in
* All brake rotors have a minimum thickness dimension cast into them. Replace any rotor that is worn or machined below this specification.