LEMON Manuals: Even more car manuals for everyone
Home >> Ford >> 2006 >> Focus ZX5 SE, Standard >> Repair and Diagnosis >> General Information >> OEM General Information >> Noise, Vibration & Harshness >> Description And Operation >> Noise, Vibration and Harshness (NVH) >> Glossary of Terms >> Roughness

Glossary of Terms: Roughness

A medium-frequency vibration. A slightly higher frequency (20 to 50 Hz) than a shake. This type of vibration is usually related to drivetrain components.