Which of the following parts showed a sign of lubrication failure according to Tech A?

When identifying signs of lubrication failure in automotive components, it is crucial to understand the typical indicators such as excessive wear, discoloration, unusual noise, or overheating. In this case, Part X is noted as showing signs of lubrication failure, which suggests it may exhibit one or more of these symptoms.

For example, if Part X has noticeable scoring or wear patterns, it points to insufficient lubrication, which can lead to metal-on-metal contact and accelerated damage. Additionally, if the visual inspection shows signs of discoloration or burning, it indicates that lubrication has either degraded or been insufficient to maintain proper operating temperature and separation between moving parts.

Recognizing these symptoms is crucial because they can lead to more extensive repair needs or component failure if not addressed promptly. Thus, identifying Part X as the component with lubrication failure illustrates an understanding of how vital proper lubrication is to the performance and longevity of automotive parts.