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Home >> Hummer >> 2008 >> H3 Base, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 300 (Disc Brake System) >> Specifications >> Disc Brake Component Specifications

Disc Brake Component Specifications

WARNING: This page is about a different car, the 2009 GMC Canyon and 2009 Chevrolet Colorado. However, it is still accessible from the selected car via links, so may be relevant.
General Specifications

Application Specification
Metric English
  • Rotor Discard Thickness *
 27.5 mm 1.08 in
  • Rotor Thickness (new)
 29.0 mm 1.14 in
  • Rotor Maximum Allowable Lateral Runout
 0.125 mm 0.005 in
  • Rotor Maximum Allowable Scoring
 1.50 mm 0.059 in
  • Rotor Maximum Allowable Thickness Variation
 0.050 mm 0.002 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 minimum thickness specifications.
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