Focus L4-2.0L (2009)
Brake Drum: Testing and Inspection
Brake System Inspection
Brake Drums
NOTE: It is generally not required to install new brake drums to address noise issues.
1. Inspect the brake drums and measure the brake drum diameter. Record the measurements, refer to Specifications.
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If the brake drum is cracked or otherwise damaged, install a new brake drum.
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If the diameter measurement is more than the maximum specification, install a new brake drum.
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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.
