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Disc Brake Component Specifications

WARNING: This page is about a different car, the 2010 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.
Application Specification
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 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 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 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 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 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 Thickness New
 28.0 mm 1.102 in
* All brake rotors have a minimum thickness dimension cast into them. Replace any rotor that is worn or machined below this specification.
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