Hydraulic Lash Adjusters (HLA) components and Operation. HLA automatically adjust the valve clearance (valve lash) in a car to account for the thermal expansion of the valves. Regular clearance adjustment is, therefore, not required. Other name - hydraulic tappet, hydraulic valve tappet, hydraulic lifter.
In our online video course "Car Anatomy" there are more informational videos in 3D animation. Details on our website: [ Ссылка ]
