Which factor does NOT contribute to transmission overheating?

Using high-quality transmission fluid does not contribute to transmission overheating. In fact, high-quality transmission fluid is specifically designed to withstand higher temperatures and provide better lubrication and cooling properties. It helps to maintain the proper functioning of the transmission by reducing friction and preventing wear, which ultimately aids in preventing overheating.

In contrast, factors like excessive towing can place additional strain on the transmission, leading to increased heat generation. A malfunctioning cooler can fail to adequately dissipate the heat generated during normal operation, while low fluid levels can reduce lubrication and cooling, both of which can result in overheating. Therefore, using high-quality transmission fluid is beneficial in managing temperature and safeguarding the transmission system.