I'm trying to clean through the breather pipes in my car and just woundered what these do. the black pot that is attached to the breather pipe coming off the top left handside of the rocker cover and what the black hing is thats inbetween the black pipe and the blue pipe above the phlem chamber tried to blow down it and couldn't. Another question how many breather pipes are there i'm tryin to see if a blocked breather is cousing my oil leak Thanks alot