Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET2003TRAILBLAZER 4.2 S, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1782 (DISC BRAKE SYSTEM)SPECIFICATIONSDISC BRAKE COMPONENT SPECIFICATIONS
2003 Chevrolet TrailBlazer 4.2 S, 4WD
Disc Brake Component Specifications
2003 Chevrolet TrailBlazer 4.2 S, 4WDSECTION Disc Brake Component Specifications
WARNING: This page is about a different car, the 2007 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
Disc Brake Component Specifications
| Application | Specification | |
|---|---|---|
| Metric | English | |
| Brake Pad Lining Minimum Thickness | 2.0 mm | 0.080 in |
| Brake Pad Lining Thickness - New | 9.6 mm | 0.380 in |
| Brake Rotor Diameter | 296.00 mm | 11.654 in |
| Rotor Minimum Thickness* | 24.5 mm | 0.960 in |
| Brake Rotor Maximum Allowable Assembled Lateral Runout | 0.06 mm | 0.002 in |
| Brake Rotor Maximum Allowable Scoring | 1.50 mm | 0.059 in |
| Brake Rotor Maximum Allowable Thickness Variation | 0.025 mm | 0.001 in |
| Brake Rotor Thickness - New | 26.0 mm | 1.024 in |
| * All brake rotors have a minimum thickness dimension cast into them. Replace any rotor that is worn or machined below this specification. | ||
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.