Lifter / Lash Adjuster: Testing and Inspection
Inspecting Hydraulic Valve Clearance Compensation Elements
Illustration Shows Compensation Element 1st Version:
1 Remove cylinder head cover
NOTE: Installation:
- check for leaks with engine running
- Check that gasket of cylinder head cover is correctly seated.
2 Rotate engine at crankshaft until cam (16) on compensating element to be inspected (1) is positioned at its base circle
NOTE: Cam lobe must face up
3 Use a suitable tool to press compensating element (1) by hand
CAUTION: Do not use a steel tool.
- Use normal hand force to press compensating element (1).
- If excessive pressure is applied, the compensating element (1) appears to drop but in reality the valve opens.
NOTE:
- If a compensating element (1) drops in comparison to the other compensating elements (1), replace compensating elements
- If several compensating elements (1) drop, check hydraulic oil supply of cylinder head.
- Oil circuit
- Clean oil gallery in cylinder head.