CONSTRUCTION
The valve lash adjuster assembly, which is located at the fulcrum of the valve rocker arm sub-assembly, consists primarily of a plunger, a plunger spring, a check ball, and a check ball spring.
The engine oil supplied by the cylinder head sub-assembly and the built-in spring actuates the valve lash adjuster assembly. The oil pressure and the spring force that act on the plunger push the valve rocker arm sub-assembly against the cam, in order to adjust the valve clearance created during the opening and closing of the valve. As a result, engine noise has been reduced.
| *1 | Valve Lash Adjuster Assembly | *2 | Cam |
| *3 | Valve Rocker Arm Sub-assembly | *4 | Oil Passage |
| *5 | Plunger | *6 | Oil Passage |
| *7 | Check Ball | *8 | Check Ball Spring |
| *9 | Plunger Spring | - | - |
Tech Tips
Valve clearance adjustment is not necessary because a valve lash adjuster assembly is used. After reassembling the valve lash adjuster assembly, the fluid should be changed.