Disc Brake Component Specifications. Cadillac CTS 2009

For 1990-2009 cars only

Makes 🢒 Cadillac 🢒 2009 🢒 CTS 🢒 Preface 🢒 Dangers, Warnings, and Cautions 🢒 Disc Brake Component Specifications

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 Minimum Thickness After Refinishing	28.5 mm	1.122 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 Minimum Thickness After Refinishing	28.5 mm	1.122 in
Rotor Thickness (New)	30.0 mm	1.181 in
Front Brake Rotor J56
Rotor Diameter	370.0 mm	14.57 in
Rotor Discard Thickness*	32.0 mm	1.259 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 Minimum Thickness After Refinishing	31.0 mm	1.220 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 Minimum Thickness After Refinishing	21.5 mm	0.846 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 Minimum Thickness After Refinishing	21.5 mm	0.846 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 Minimum Thickness After Refinishing	27.0 mm	1.062 in
Rotor Thickness New	28.0 mm	1.102 in
* All disc 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.