were does the vacuum line hook up on the trans, a hose is just tied to the trans on 1995 Chevrolet Impala SS

changed out trans,a hose which looks like a vacuum line is sitting on top of trans,,dose it hook up to the engine,an if so were???????

Asked by for the 1995 Chevrolet Impala SS
as gmc said, it is in fact a vent hose

1 more answer
Being that this vehicle is rear wheel drive it may just be a vent hose.