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Home >> Chevrolet >> 2009 >> Impala SS >> Repair and Diagnosis >> External Pages >> Different car >> Section 681 (Disc Brake System) >> Specifications >> Disc Brake Component Specifications
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Disc Brake Component Specifications

WARNING: This page is about a different car, the 2007 Buick Lucerne. However, it is still accessible from the selected car via links, so may be relevant.
Disc Brake Component Specifications

Application Specification
Metric English
Front Brake Pads (16 & 17 Inch Rotors)
  • Taper
0.15 mm 0.006 in
Front Brake Rotors (16 in)
  • Rotor Diameter
303.0 mm 11.9 in
  • Rotor Minimum Thickness
28.6 mm 1.126 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 (17 in)
  • Rotor Diameter
323 mm 12.72 in
  • Rotor Minimum Thickness
28.6 mm 1.126 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 Thickness Variation
0.025 mm 0.001 in
  • Rotor Thickness (New)
30 mm 1.181 in
Rear Pads
  • Taper
0.15 mm 0.006 in
Rear Brake Rotor
  • Rotor Diameter
292.00 mm 11.50 in
  • Rotor Minimum Thickness
10.5 mm 0.413 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)
12.00 mm 0.472 in
* All brake rotors have a mimiumu thickness dimension cast into them. Replace any rotor that is worn or machine below this specification.