How to Determine the Condition of Engine Valves?

[Miguel]

Check the condition of the valve head to the valve stem using the following methods: 1. Pitting on the valve seat; 2. Insufficient valve margin thickness; 3. Bent valve stem; 4. Pitting or severe wear on the valve stem; 5. Wear on the valve lock key groove; 6. Wear on the valve stem end. Additional relevant information is as follows: 1. Proper valve maintenance is crucial for engine performance. Therefore, it is essential to follow all measurement procedures in detail to identify components that exceed specifications. 2. If the measurement procedure indicates that the valve or valve seat requires reconditioning, the measurement procedure should be performed again after reconditioning.