Where is the transmission filter on a 2000 Mitsubishi diamante?

On a 2000 Mitsubishi Diamante, the transmission filter is typically located inside the transmission pan. To access it, you'll need to remove the transmission pan by draining the Transmission Fluid and unbolting the pan. Once the pan is removed, the filter can be found attached to the valve body. It's advisable to replace the filter and gasket when performing this service.