Disc Brake Component Specifications

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2015 GMC Yukon XL, 2015 GMC Yukon, 2015 Chevrolet Tahoe, 2015 Chevrolet Suburban, and 2015 Cadillac Escalade ESV. 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	0.018 mm	0.0007 in
Rear Brakes
Rotor Discard Thickness*	18.5 mm	0.728 in
Rotor Minimum Allowable Thickness After Refinish	19.0 mm	0.748 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	0.018 mm	0.0007 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.