Valve clearance hydraulic tappet does all the dirty work for us to adjust the clearance between the valve and the camshaft (pusher, rocker). Nevertheless, with a careless attitude to the engine, the sound of hydraulic lifters can really ruin your mood and throw up problems. Is it possible to ride on knocking pushers, how to get rid of knocking, and what to do to increase the resource, repair or buy hydraulic lifters, we will consider these subtleties right now.
