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
2 answers
Being that this vehicle is rear wheel drive it may just be a vent hose.
as gmc said, it is in fact a vent hose