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 MANUALSCHEVROLET2006HHR L4-2.2LREPAIR AND DIAGNOSISBRAKES AND TRACTION CONTROLDISC BRAKE SYSTEMBRAKE ROTOR/DISCSPECIFICATIONS
2006 Chevrolet HHR L4-2.2L
Brake Rotor/Disc: Specifications
2006 Chevrolet HHR L4-2.2LSECTION Specifications
Brake Rotor Diameter 275.00 mm 10.827 in
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 Scoring 1.50 mm 0.059 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
Brake Rotor Thickness - New 26.0 mm 1.023 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 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 Scoring 1.50 mm 0.059 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
Brake Rotor Thickness - New 26.0 mm 1.023 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.