Regarding a mild fluid leak at an automatic transmission pan gasket, what is the best approach?

In addressing a mild fluid leak at an automatic transmission pan gasket, the optimal approach involves recognizing that simply adding a leak-stopping additive or using RTV sealant may not provide a proper or long-lasting solution. These methods are often seen as temporary fixes, and while they might seem convenient initially, they can lead to more significant problems down the line.

Leak-stopping additives can sometimes cause sludge or deposits within the transmission system, potentially leading to performance issues or further leaks. On the other hand, while RTV sealant might temporarily patch the leak, it does not address the underlying cause of the gasket failure, which could be due to age, degradation, or improper installation.

The more effective and reliable remedy involves addressing the root cause of the leak by replacing the faulty gasket altogether. This ensures a proper seal and restores the integrity of the transmission pan, preventing the recurrence of the leak and potential long-term damage to the transmission system itself. Therefore, doing nothing temporary or superficial is preferable to risking long-term outcomes by using inappropriate stop-gap measures.