Functionality:Transmission filter to filter oil and remove sundries from the transmission fluids. Keep the transmission fluids clean and prevent the valve body and other parts be clogged. Effectively to extend the service life of the transmissions kit.Advantage:Automatic transmission filter kits help the transmission system run smoothly and efficiently. Check and replace the filter if you experience hard shifting, rattles, leaks when clogged, etc.Installation Steps:Drain the old oil, remove the oil pan, clean the interior of the residue, then replace the filter with a new one, reinstall the oil pan, and gently tighten the plastic screws. Recommended professional installation. Replace transmission oil pan gasket to maintain a good seal.