Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCADILLAC2006STS AWD V8-4.6L VIN AREPAIR AND DIAGNOSISBRAKES AND TRACTION CONTROLSPECIFICATIONS
2006 Cadillac STS AWD V8-4.6L VIN A
Brakes and Traction Control: Specifications
2006 Cadillac STS AWD V8-4.6L VIN ASECTION Specifications
Front Brake Rotor JE5
^ Rotor Diameter 323.0 mm (12.71 inch)
^ Rotor Discard Thickness* 30.7 mm (1.209 inch)
^ Rotor Maximum Allowable Assembled Lateral Runout 0.06 mm (0.002 inch)
^ Rotor Maximum Allowable Scoring 1.50 mm (0.059 inch)
^ Rotor Maximum Allowable Thickness Variation 0.025 mm (0.001 inch)
^ Rotor Minimum Thickness after Refinishing 30.7 mm (1.209 inch)
^ Rotor Thickness (New) 32.20 mm (1.267 inch)
Front Brake Rotor JL9
^ Rotor Diameter 303.0 mm (11.929 inch)
^ Rotor Discard Thickness* 30.7 mm (1.209 inch)
^ Rotor Maximum Allowable Assembled Lateral Runout 0.06 mm (0.002 inch)
^ Rotor Maximum Allowable Scoring 1.50 mm (0.059 inch)
^ Rotor Maximum Allowable Thickness Variation 0.025 mm (0.001 inch)
^ Rotor Minimum Thickness after Refinishing 30.7 mm (1.209 inch)
^ Rotor Thickness (New) 32.20 mm (1.267 inch)
Front Brake Rotor J56
^ Rotor Diameter 355.00 mm (13.976 inch)
^ Rotor Discard Thickness 30.00 mm (1.181 inch)
^ Rotor Minimum Thickness after Refinishing 31.0 mm (1.220 inch)
^ Rotor Thickness New 32.00 mm (1.259 inch)
Rear Brake Rotor JE5
^ Rotor Diameter 320.0 mm (12.598 inch)
^ Rotor Discard Thickness* 24.0 mm (0.944 inch)
^ Rotor Maximum Allowable Assembled Lateral Runout 0.06 mm (0.002 inch)
^ Rotor Maximum Allowable Scoring 1.50 mm (0.059 inch)
^ Rotor Maximum Allowable Thickness Variation 0.025 mm (0.001 inch)
^ Rotor Minimum Thickness after Refinishing 24.0 mm (0.944 inch)
^ Rotor Thickness New 26.0 mm (1.023 inch)
Rear Brake Rotor JL9
^ Rotor Diameter 298.0 mm (11.732 inch)
^ Rotor Discard Thickness* 24.0 mm (0.944 inch)
^ Rotor Maximum Allowable Assembled Lateral Runout 0.06 mm (0.002 inch)
^ Rotor Maximum Allowable Scoring 1.50 mm (0.059 inch)
^ Rotor Maximum Allowable Thickness Variation 0.025 mm (0.001 inch)
^ Rotor Minimum Thickness after Refinishing 24.0 mm (0.944 inch)
^ Rotor Thickness New 26.0 mm (1.023 inch)
Rear Brake Rotor J56
^ Rotor Diameter 365.00 mm (14.370 inch)
^ Rotor Discard Thickness* 26.00 mm (1.062 inch)
^ Rotor Minimum Thickness after Refinishing 27.00 mm (1.062 inch)
^ Rotor Thickness New 28.00 mm (1.102 inch)
^ 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.
^ Rotor Diameter 323.0 mm (12.71 inch)
^ Rotor Discard Thickness* 30.7 mm (1.209 inch)
^ Rotor Maximum Allowable Assembled Lateral Runout 0.06 mm (0.002 inch)
^ Rotor Maximum Allowable Scoring 1.50 mm (0.059 inch)
^ Rotor Maximum Allowable Thickness Variation 0.025 mm (0.001 inch)
^ Rotor Minimum Thickness after Refinishing 30.7 mm (1.209 inch)
^ Rotor Thickness (New) 32.20 mm (1.267 inch)
Front Brake Rotor JL9
^ Rotor Diameter 303.0 mm (11.929 inch)
^ Rotor Discard Thickness* 30.7 mm (1.209 inch)
^ Rotor Maximum Allowable Assembled Lateral Runout 0.06 mm (0.002 inch)
^ Rotor Maximum Allowable Scoring 1.50 mm (0.059 inch)
^ Rotor Maximum Allowable Thickness Variation 0.025 mm (0.001 inch)
^ Rotor Minimum Thickness after Refinishing 30.7 mm (1.209 inch)
^ Rotor Thickness (New) 32.20 mm (1.267 inch)
Front Brake Rotor J56
^ Rotor Diameter 355.00 mm (13.976 inch)
^ Rotor Discard Thickness 30.00 mm (1.181 inch)
^ Rotor Minimum Thickness after Refinishing 31.0 mm (1.220 inch)
^ Rotor Thickness New 32.00 mm (1.259 inch)
Rear Brake Rotor JE5
^ Rotor Diameter 320.0 mm (12.598 inch)
^ Rotor Discard Thickness* 24.0 mm (0.944 inch)
^ Rotor Maximum Allowable Assembled Lateral Runout 0.06 mm (0.002 inch)
^ Rotor Maximum Allowable Scoring 1.50 mm (0.059 inch)
^ Rotor Maximum Allowable Thickness Variation 0.025 mm (0.001 inch)
^ Rotor Minimum Thickness after Refinishing 24.0 mm (0.944 inch)
^ Rotor Thickness New 26.0 mm (1.023 inch)
Rear Brake Rotor JL9
^ Rotor Diameter 298.0 mm (11.732 inch)
^ Rotor Discard Thickness* 24.0 mm (0.944 inch)
^ Rotor Maximum Allowable Assembled Lateral Runout 0.06 mm (0.002 inch)
^ Rotor Maximum Allowable Scoring 1.50 mm (0.059 inch)
^ Rotor Maximum Allowable Thickness Variation 0.025 mm (0.001 inch)
^ Rotor Minimum Thickness after Refinishing 24.0 mm (0.944 inch)
^ Rotor Thickness New 26.0 mm (1.023 inch)
Rear Brake Rotor J56
^ Rotor Diameter 365.00 mm (14.370 inch)
^ Rotor Discard Thickness* 26.00 mm (1.062 inch)
^ Rotor Minimum Thickness after Refinishing 27.00 mm (1.062 inch)
^ Rotor Thickness New 28.00 mm (1.102 inch)
^ 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.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.