Disc Brake Component Specifications. Cadillac STS 2009

For 1990-2009 cars only

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

Disc Brake Component Specifications J56

Application	Specification
Application	Metric	English
Front Brake Pads
Taper	0.15 mm	0.006 in
Front Brake Rotor
Rotor Diameter	355.00 mm	13.976 in
Rotor Discard Thickness*	30.00 mm	1.181 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	32.00 mm	1.259 in
Rear Brake Pads
Taper	0.15 mm	0.006 in
Rear Brake Rotor
Rotor Diameter	365.00 mm	14.370 in
Rotor Discard Thickness*	26.00 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	27.00 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.

Application	Specification
Application	Metric	English
Front Brake Pads
Taper	0.15 mm	0.006 in
Front Brake Rotor - JE5, JL9
Rotor Diameter	316.0 mm	12.44 in
Rotor Minimum 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
Rear Brake Pads
Taper	0.15 mm	0.006 in
Rear Brake Rotor JE5
Rotor Diameter	320.0 mm	12.598 in
Rotor Minimum Thickness*	24.0 mm	0.944 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	26.0 mm	1.023 in
Rear Brake Rotor JL9
Rotor Diameter	298.0 mm	11.732 in
Rotor Minimum Thickness*	24.0 mm	0.944 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	26.0 mm	1.023 in
* All brake rotors have a minimum thickness dimension cast into them. Replace any rotor that is worn or machined below this specification.