Disc Brake Component Specifications

2004 Oldsmobile Bravada RWDSECTION Disc Brake Component Specifications
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2005 Isuzu Ascender, 2005 GMC Envoy XUV, 2005 GMC Envoy XL, 2005 GMC Envoy, and 2005 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
General Specifications

Application Specification
Metric English
Front Brakes
  • Rotor Discard Thickness *
27.5 mm 1.08 in
  • Rotor Thickness (new)
29.0 mm 1.14 in
  • Rotor Maximum Allowable Lateral Runout
0.051 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
Rear Brakes
  • Rotor Discard Thickness *
18.50 mm 0.728 in
  • Rotor Thickness (new)
20.0 mm 0.787 in
  • Rotor Maximum Allowable Lateral Runout
0.051 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
* 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.
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:

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