if standing in front of car looking down in. on the left bottom a hose line about the size of a dime goes from bottom left of radiator across bottom of fans then back under right side of engine id guess its a trans cooler line ?? it has about a foot of thicker rubber line that connects to metal line with a connector at each end im asking cause is got alittle leak on it ill try to get a picture i know this is prob not helping you guys much thanks