Disc Brake Component Specifications

WARNING: This page is about a different car, the 2011 GMC Acadia, 2011 Chevrolet Traverse, and 2011 Buick Enclave. However, it is still accessible from the selected car via links, so may be relevant.

General Specifications

Application	Specification
Application	Metric	English
Front Brakes
Rotor Minimum Allowable Thickness After Refinish	27.7 mm	1.09 in
Rotor Minimum Thickness *	27.5 mm	1.08 in
Rotor Thickness (new)	29.0 mm	1.14 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
Rear Brakes
Rotor Minimum Allowable Thickness After Refinish	18.6 mm	0.73 in
Rotor Minimum Thickness *	18.4 mm	0.72 in
Rotor Thickness (new)	20 mm	0.79 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
* All brake rotors have a minimum thickness dimension cast into them. Replace any rotor that is worn or machined below this specification.