2005 Pontiac Aztek Base, FWDFACTORY OEM SERVICE PROCEDURE

Disc Brake Component Specifications

WARNING: This page is about a different car, the 2004 Pontiac Grand Prix. 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 Rotors
  • Rotor Discard Thickness *
 30.7 mm 1.21 in
  • Rotor Maximum Allowable Lateral Runout
 0.06 mm 0.002 in
  • Rotor Maximum Scoring
 1.50 mm 0.059 in
  • Rotor Maximum Allowable Thickness Variation
 0.025 mm 0.001 in
  • Rotor Minimum Allowable Thickness After Refinishing
 31.0 mm 1.22 in
  • Rotor Thickness-NEW
 32.2 mm 1.27 in
Rear Brake Rotors
  • Rotor Discard Thickness *
 12.5 mm 0.49 in
  • Rotor Maximum Allowable Lateral Runout
 0.05 mm 0.002 in
  • Rotor Maximum Scoring
 1.50 mm 0.059 in
  • Rotor Maximum Allowable Thickness Variation
 0.02 mm 0.001 in
  • Rotor Minimum Thickness After Refinishing
 12.9 mm 0.51 in
  • Rotor Thickness-NEW
 14.0 mm 0.55 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 specification.
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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.