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 MANUALSCHEVROLET2011HHR L4-2.2LREPAIR AND DIAGNOSISBRAKES AND TRACTION CONTROLDISC BRAKE SYSTEMBRAKE ROTOR/DISCSPECIFICATIONS
2011 Chevrolet HHR L4-2.2L
Brake Rotor/Disc: Specifications
2011 Chevrolet HHR L4-2.2LSECTION Specifications
Brake Rotor Discard Thickness* 22.8 mm (0.898 in)
Brake Rotor Maximum Allowable Assembled Lateral Runout 0.06 mm (0.002 in)
Brake Rotor Maximum Allowable Thickness Variation 0.025 mm (0.001 in)
Brake Rotor Minimum Allowable Thickness After Refinish 23.0 mm (0.906 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.
Brake Rotor Maximum Allowable Assembled Lateral Runout 0.06 mm (0.002 in)
Brake Rotor Maximum Allowable Thickness Variation 0.025 mm (0.001 in)
Brake Rotor Minimum Allowable Thickness After Refinish 23.0 mm (0.906 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.
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.