Disc Brake Component Specifications

WARNING: This page is about a different car, the 2017 GMC Acadia Limited, 2017 Chevrolet Traverse, and 2017 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
Brake Pad Friction Material Thickness - Discard	1.40 mm	0.055 in
Brake Pad Friction Material Thickness - New	9.50 mm	0.374 in
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
Brake Pad Friction Material Thickness - Discard	1.50 mm	0.059 in
Brake Pad Friction Material Thickness - New	11.00 mm	0.433 in
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.