Disc Brake Component Specifications

WARNING: This page is about a different car, the 2013 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.

Application	Specification
Application	Metric	English
Brake Pads
Taper	0.15 mm	0.006 in
Front Brake Rotor JE5
Rotor Diameter	316.0 mm	12.44 in
Rotor Discard Thickness*	28.5 mm	1.122 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 Thickness (New)	30.0 mm	1.181 in
Front Brake Rotor J55
Rotor Diameter	345.0 mm	13.58 in
Rotor Discard Thickness*	28.5 mm	1.122 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 Thickness (New)	30.0 mm	1.181 in
Front Brake Rotor J56
Rotor Diameter	370.0 mm	14.567 in
Rotor Discard Thickness*	32.0 mm	1.259 in
Rotor Maximum Allowable Assembled Lateral Runout	0.09 mm	0.003 in
Rotor Maximum Allowable Scoring	1.50 mm	0.059 in
Rotor Maximum Allowable Thickness Variation	0.025 mm	0.001 in
Rotor Thickness New	34.0 mm	1.338 in
Rear Brake Rotor JE5
Rotor Diameter	315.0 mm	12.40 in
Rotor Discard Thickness*	21.5 mm	0.846 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 Thickness New	23.0 mm	0.906 in
Rear Brake Rotor J55
Rotor Diameter	339.0 mm	13.35 in
Rotor Discard Thickness*	21.5 mm	0.846 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 Thickness New	23.0 mm	0.906 in
Rear Brake Rotor J56
Rotor Diameter	365.0 mm	14.37 in
Rotor Discard Thickness*	26.0 mm	1.023 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 Thickness New	28.0 mm	1.102 in
* All brake rotors have a minimum thickness dimension cast into them. Replace any rotor that is worn or machined below this specification.