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Home >> Cadillac >> 2007 >> STS AWD V8-4.6L >> Repair and Diagnosis >> Specifications >> Mechanical Specifications >> Brakes and Traction Control >> System Specifications
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System Specifications

Front Brake Rotor JE5
Rotor Diameter 323.0 mm (12.71 in)
Rotor Minimum 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 Thickness (New) 32.20 mm (1.267 in)

Front Brake Rotor JL9
Rotor Diameter 303.0 mm (11.929 in)
Rotor Minimum 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 Thickness (New) 32.20 mm (1.267 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.