What should be done to the cylinder head components during inspection?

During an inspection of cylinder head components, it is essential to clean the valve heads, faces, and stems adequately to ensure optimal engine performance. Deep cleaning of these components allows for better sealing during operation and helps prevent issues related to carbon buildup or corrosion, which can adversely affect engine efficiency.

After cleaning, inspecting the valves and related parts is crucial. This inspection should focus on identifying any signs of wear, cracks, or other damage. It ensures that the components are still functional and safe to use, thereby preventing failures that could lead to more significant mechanical issues or even engine failure.

In contrast, simply replacing all components with new ones would not be cost-effective and could lead to unnecessary waste if the existing parts are still viable. The option to inspect for wear and tear only does not allow for the thorough cleaning and assessment that are vital for reliable performance. While checking gaskets for leaks is important, it is only one aspect of a broader inspection process that should encompass cleaning and evaluating the condition of the valve components as well. Thus, the option that highlights both cleaning and inspecting is the most comprehensive and accurate approach for maintaining cylinder head integrity.