A noisy valve train is being diagnosed. Technician A says that the rocker arm may be adjusted too tightly. Technician B says that the rocker arm may be adjusted too loosely or may be worn. Which technician is correct?justifcation?

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A noisy valve train is being diagnosed. Technician A says that the rocker arm may be adjusted too tightly. Technician B says that the rocker arm may be adjusted too loosely or may be worn. Which technician is correct?justifcation?
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