What can incorrect valve lash cause?
What can incorrect valve lash cause? Damaged Valves The most serious result of incorrect valve lash adjustment is damage to the valves and related components. Setting the clearances too tight can prevent valves from completely closing (or not closing for enough time), which may cause extreme heat damage and complete valve failure. Where is the setting valve lash on a Chevy? Adjusting the clearance between the valve stem and rocker arm, a process known as setting valve lash, can be complicated. The rocker arms and valve train are located on top of the cylinder heads and are easy to access...