"Until now, hydraulic valve lash adjusters could not be used in heavy-duty diesel engines in combination with an additional engine brake, as the engine brake causes significant valve lash during the braking process. The hydraulic compensation elements automatically readjust to take up this play, thereby preventing correct seating at the end of the cycle. Jacobs Vehicle Systems has now developed systems that enable the integration of an engine brake in valve trains with hydraulic lash adjusters." - ATZ Magazine, 01/2021 Edition

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