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Disc Brake System: Specifications Cadillac STS I

Mechanical - Hydraulic

Fastener Tightening Specifications

Application	Specification
Application	Metric	English
Brake Caliper Bleeder Valve	14 N.m	124 lb in
Brake Hose to Caliper Bolt (JE5), (JL9)	50 N.m	37 lb ft
Brake Hose to Caliper Bolt (J56)	34 N.m	25 lb ft
Brake Pipe Fitting Tube Nut	18 N.m	13 lb ft
Brake Rotor Mounting Screw	14 N.m	124 lb in
Front Brake Caliper Bracket Bolt	130 N.m	96 lb ft
Front Brake Caliper Pin Bolt (JE5)	34 N.m	25 lb ft
Front Brake Caliper Pin Bolt (JL9)	63 N.m	46 lb ft
Rear Brake Caliper Bracket Bolt	120 N.m	88 lb ft
Rear Brake Caliper Pin Bolt	60 N.m	44 lb ft

Fastener Tightening Specifications

Disc Brake Component Specifications

Application	Specification
Application	Metric	English
Front Brake Pads
Taper	0.15 mm	0.006 in
Front Brake Rotor JE5
Rotor Diameter	323.0 mm	12.71 in
Rotor Discard Thickness*	30.7 mm	1.209 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	30.7 mm	1.209 in
Rotor Thickness (New)	32.20 mm	1.267 in
Front Brake Rotor JL9
Rotor Diameter	303.0 mm	11.929 in
Rotor Discard Thickness*	30.7 mm	1.209 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	30.7 mm	1.209 in
Rotor Thickness (New)	32.20 mm	1.267 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 JE5
Rotor Diameter	320.0 mm	12.598 in
Rotor Discard 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 Minimum Thickness after Refinishing	24.0 mm	0.944 in
Rotor Thickness New	26.0 mm	1.023 in
Rear Brake Rotor JL9
Rotor Diameter	298.0 mm	11.732 in
Rotor Discard 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 Minimum Thickness after Refinishing	24.0 mm	0.944 in
Rotor Thickness New	26.0 mm	1.023 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.

Disc Brake Component Specifications