The transmission is an important and expensive automotive component. It is fine to fix the issue on time, but it is better not to have any kind of issues in the first place. Since the transmission always participates in the intriguing process of transferring power from the engine to the wheels, so finding it fluttered can be more than annoying. Replacing the transmission fluid timely, using the correct fluid, keeping the transmission cool, installing an auxiliary cooler- will keep this indispensable component of the powertrain in good order. Do not overload your vehicle for keeping the transmission performable for a longer period of time.