On engines equipped with hydraulic tappets, zero lash at maximum tappet plunger rise can be determined by rotating the pushrod with your fingertips while slowly turning the lash adjusting nut. The ...

It may not be pleasant, but setting the valve lash on a high-performance engine is a skill that must be learned. The reality is that even the most savvy engine masters had to learn about lash at one ...

In this video, a valve lash adjustment is performed on a 1995 GMC Suburban's 5.7L engine while the motor is running to address a persistent ticking noise. The ticking sound is suspected to be caused ...

While many folks view diesel engines as indestructible, they do still need maintenance. Oil changes, fuel filter replacement, and cleaning or changing the air filter are all important items when it ...

Step-by-step instructions for checking—and adjusting—old-school screw-type valve lash.

Does your engine need a valve adjustment? It depends on the age, condition and brand of vehicle you’re driving. Due to the popularization of roller-follower valve train designs that reduce friction ...

Jacobs Vehicle System’s new Fulcrum Bridge for off-highway trucks will eliminate the need to periodically adjust engine lash – the mechanical clearance between the valve and camshaft. It will also ...