Disc Brake Component Specifications (J56)

WARNING: This page is about a different car, the 2008 Cadillac STS. However, it is still accessible from the selected car via links, so may be relevant.

Application	Specification
Application	Metric	English
Front Brake Pads
Taper	0.15 mm	0.006 in
Front Brake Rotor J56
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
Front Brake Rotor J56
Rotor Diameter	355.00 mm	13.976 in
Rotor Discard Thickness	30.00 mm	1.181 in
Rotor Minimum Thickness after Refinishing	31.0 mm	1.220 in
Rotor Thickness New	32.00 mm	1.259 in
Rear Brake Pads
Taper	0.15 mm	0.006 in
Rear Brake Rotor J56
Rotor Diameter	365.00 mm	14.370 in
Rotor Discard Thickness*	26.00 mm	1.062 in
Rotor Minimum Thickness after Refinishing	27.00 mm	1.062 in
Rotor Thickness New	28.00 mm	1.102 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 specification.