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 MANUALSFORD2010FOCUS S, STANDARDREPAIR AND DIAGNOSISBRAKESTRACTION CONTROLBRAKE SYSTEM - GENERAL INFORMATIONGENERAL PROCEDURESBRAKE SYSTEM INSPECTIONBRAKE DRUMS
2010 Ford Focus S, Standard
Brake Drums
2010 Ford Focus S, StandardSECTION Brake Drums
NOTE:
It is generally not required to install new brake drums to address noise issues.
- Inspect the brake drums and measure the brake drum diameter. Record the measurements, refer to SPECIFICATIONS .
- If the brake drum is cracked or otherwise damaged, install a new brake drum.
- If the diameter measurement is more than the maximum specification, install a new brake drum.
- Heavily scored brake drums, similar to that caused by shoes worn down to the backing plate, should be machined. In order to machine, drums must be below the maximum diameter specification.
- For additional information, refer to DRUM BRAKE .
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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.