en:Car Terms:H:Hydraulic Value Filter COM/EN

SEAT Glossary

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Hydraulic valve lifter

For efficient, economical and durable running of an engine, it is imperative that the valve control ensures an unchanged valve lift over the long term.

Valve control using cam followers or rockers with hydraulic compensation elements ensures automatic valve play compensation which is maintenance-free throughout the engine's life. Thus engine life is extended and servicing and maintenance costs lowered.