Disc Brake Component Specifications

2004 Pontiac Aztek AWD V6-3.4L VIN ESECTION Disc Brake Component Specifications
Front Brakes

Caliper Bore Diameter 64 mm 2.520 in
Rotor Diameter (All Wheel Drive) 300 mm 11.811 in
Rotor Diameter (Front Wheel Drive) 275 mm 10.945 in
Rotor Discard Thickness* 27.0 mm 1.063 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 Minimum Allowable Thickness After Refinish 28.4 mm 1.118 in
Rotor Minimum Wear Stock 1.0 mm 0.039 in
Rotor Thickness (new) 30.0 mm 1.181 in

Rear Brakes

Caliper Bore Diameter 38.1 mm 1.500 in
Rotor Diameter 291.0 mm 11.457 in
Rotor Discard Thickness* 9.0 mm 0.35 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 Minimum Allowable Thickness After Refinish 10.6 mm 0.42 in
Rotor Minimum Wear Stock 1.6 mm 0.06 in
Rotor Thickness (new) 11.0 mm 0.43 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.
or, replace any rotor that does not meet the minimum thickness specifications.

The content of this article has been updated by manual update # 04-05-23-002A dated August 4, 2005 for Rotor Minimum Allowable Thickness After Refinish.
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.