Disc Brake Component Specifications

2013 Buick Regal Turbo Premium, Standard TransSECTION Disc Brake Component Specifications
WARNING: This page is about a different car, the 2012 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.
Disc Brake Component Specifications

Application Specification
Metric English
Front Brakes
  • Brake Rotor Diameter (J60)
296.0 mm 11.65 in
  • Brake Rotor Diameter (J61)
321.0 mm 12.63 in
  • Brake Rotor Diameter (J64)
355.0 mm 13.976 in
  • Brake Rotor Discard Thickness* (J60, J61)
27.0 mm 1.07 in
  • Brake Rotor Discard Thickness* (J64)
30.0 mm 1.181 in
  • Brake Rotor Maximum Allowable Assembled Lateral Runout
0.05 mm 0.002 in
  • Brake Rotor Maximum Allowable Scoring
1.50 mm 0.059 in
  • Brake Rotor Maximum Allowable Thickness Variation
0.006 mm 0.00024 in
  • Brake Rotor Thickness New (J60, J61)
30.0 mm 1.18 in
  • Brake Rotor Thickness New (J64)
32.0 mm 1.26 in
Rear Brakes
  • Brake Rotor Diameter (J60)
292.0 mm 11.50 in
  • Brake Rotor Diameter (J61, J64)
315.0 mm 12.40 in
  • Brake Rotor Discard Thickness* (J60)
10.00 mm 0.395 in
  • Brake Rotor Discard Thickness* (J61, J64)
21.00 mm 0.827 in
  • Brake Rotor Maximum Allowable Assembled Lateral Runout
0.05 mm 0.002 in
  • Brake Rotor Maximum Allowable Scoring
1.50 mm 0.059 in
  • Brake Rotor Maximum Allowable Thickness Variation
0.006 mm 0.00024 in
  • Brake Rotor Thickness- New (J60)
12 mm 0.472 in
  • Brake Rotor Thickness- New (J61, J64)
23.0 mm 0.905 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 discard thickness specification.
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.