What makes a lifter tick on an overhead cam engine?
What makes a lifter tick on an overhead cam engine? A lifter tick is caused when the push rod or camshaft doesn't make continuous contact with the lifters. This can be because the lifter has become worn out, as is the case usually with hydraulic lifters, or the valve has come out of adjustment. Which can be the case with overhead cam engines or engines with sold lifters. What causes a lifter tick, and how to fix it? Most of the lifter tick sound has to do with engine oil. Whether it is dirty engine oil or low engine oil...