One 300 ml can of Liqui Moly hydraulic tappet additive is sufficient for up to 6 liters (1.5 gal.) motor oil. The product can be added at any time. After adding, run the engine until warm. For a lasting effect, Liqui Moly Hydraulic tappet additive must be added after each oil change.
For commercial motor oils in gasoline or diesel engines. Safe with catalytic converters, turbochargers and GPF/DPF. For best performance use with 3-6 liters (3.17-6.34 qt) of oil. Not for transmission wet clutches.
Prevents and reduces hydraulic lifter noise. Cleans oil passages to remove oil flow restrictions. Restores proper hydraulic lifter function and reduces wear. damps hydraulic tappet noise cleans valve bores improves the lubrication properties of the oil
